Difference between wifi and mifi

WiFi provides wireless connectivity to devices using fixed hotspots. Therefore is the essence, it is a technology While in MiFi is a device, it is a mobile hotspot device that provides connectivity to another device on the go via a process called tethering. So here this article gives the main key difference between  WiFi and MiFi to understand this topic.

Definition of WiFi

WiFI is essential to the wireless networking standard that connects various devices together without the actual use of wires. If your device is WiFI enabled or is WiFI compatible, then it can communicate wifi device wirelessly, Your smartphone allows you to connect to a mobile hotspot via a wifi chip located within. This is also possible with the laptop, hotspot, or any other device which is WiFI enabled.

Definition of MiFi

MiFi is a brand coined by Novatel wireless and its name is given to novel portable devices that provide a mobile WiFi connection. However, the name of MiFi is being used as a generic term for any device that can work as a Wifi hotspot. MiFi lets multiple mobile devices and users create an Adhoc network by sharing a 3G or 4G mobile broadband internet connection.

Difference between  WiFi and MiFi:

  • Wifi can be referred to as the wireless standard. It regards a device there is wifi router as well, while in Mifi can be referred to as the wifi and modem.
  • Wifi is standard and used 2.4 GHz and 5 GHz frequency radio signal in order to establish to connection, while in Mifi device are able to support mobile data technologies 3G, 4G LTE.
  • WiFi standards is used to create wifi hotspot, while in Mifi standard are used to create a mobile hotspot.
  • Wifi standard does not support mobile connectivity, Mifi device supports mobile connectivity.

Difference between ethernet and wifi

As we know that the ethernet primarily refers to a physical cable over which the data travels whereas WiFi refers to a network of interconnected device that is connected wirelessly. So here this article gives the main key difference between Wifi and ethernet to better understand this topic.

 Definition of WiFi

WiFi stands for wireless fidelity, it is a small network smartphone, computers, or other networkable devices is connected to each other wirelessly within a small range and share internet using hotspot. WiFi uses radiofrequency waves for wireless highspeed internet and network connection.

Definition of Ethernet

Ethernet is a widely used for local area network called LAN standard, It is defined under IEEE 802.3 standards. It is very easy to understand, implement, and maintain and low-cost implementation. It generally uses bus topology but the other topologies can also be used. It is part of the physical and also for the data layer of the OSI model.

Difference between WiFi and Ethernet:

  • Wifi is a wireless network to connect the nearby device to each other and share the internet via hotspots. While there is a LAN network standard used in wired LAN. 
  • WiFi is based on IEEE 802.11x specifications where x is WiFi versions, Ethernet is based on IEEE 802.3 specifications.
  • WIfi is highly flexible, ethernet is not flexible.
  • Wifi installation deployment is easy, ethernet installation is difficult and time-consuming.
  • In wifi device can be connected without wires, without ports, ethernet is wired and hence no mobility.
  • WiFi is less efficient and has latency in network connections, ethernet is more efficient and provide more speed.
  • WiFi data is encrypted during transfer, While in ethernet data is not required to be encrypted during transfer.
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Difference between RAM and HDD

 RAM and HDD both are the types of computer memory, RAM is used to store computer programs and data that CPU needs in real-time. RAM data is volatile and is erased once the computer is switched off. HDD has permanent storage and it is used to store user-specific data and operating systems files.

Definition of RAM

RAM stands for random access memory, it is used to store the program and the data being used by the CPU in real-time. The data on the RAM can be read, written, and erased any number of times. RAM is a hardware element where it to be the data being currently used is stored. It is volatile memory.

Definition of HDD

HDD stands for a hard disk drive, It is called secondary memory. HDD memory is very high. It ranges from 500 GB to 4 TB on the desktop. HDD used for storing digital information rapidly rotating disk coated with magnetic materials.

Difference between RAM and HDD:

  • RAM stands for random access memory, while the HDD stands for a hard disk drive.
  • RAM also called primary memory or main memory, while HDD is called secondary memory.
  • CPU can access data stored on RAM, while in Data to be copied from ROM to RAM so that CPU can access its data.
  • RAM has no moving mechanical part and consists of transistor etc, while in HDD contains moving mechanical parts like arms, pins, etc.
  • RAM is costly per unit storage, HDD is cheap per unit storage.
  • Every memory area of RAM is accessible, while in a different area of HDD may take different time to access.
  • RAM has a small read/write, HDD has a higher read/write time.
  • RAM doesn't produce any noise, While the HDD produces noise due to mechanical movements.
  • RAM memory is generally smaller than the HDD. nowadays its rages from 1 GB to 8 GB on desktop, HDD memory is very high. It ranges from 500 GB to 4 TB on the desktop.
  • If RAM is low, the computer will become slow, HDD has not much impact on computer speed.
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Advantages and disadvantages of personal area network

PAN  stands for personal are networks, which is the interconnection between different devices like smartphones, tablets ad computers ad other digital devices. PAN  is used for personal purposes like data sharing among devices and it has a range of 10 meters. Some types of personal area networks are wired like the USB while others are wireless Bluetooth. Wireless personal area network is also known as the WPAN. So here this article gives the main key advantages ad disadvantages of PAN to better understand this topic.

Advantages of personal area network:

  • In PAN no extra space requires.
  • No need for extra cable and wire.
  • It used in the TV remote, AC remotes, etc.
  • It is reliable.
  • It is secure.
  • Connect to any devices at a time.
  • It is easy to use.
  • Data can be synchronized between different devices.
  • It is used in offices, conferences, and meetings.
  • No extra space requires.
  • Affordable cost.
  • It is portable.

Disadvantages of personal area network:

  • It can be operated in less range of areas.
  • It is a slow data transfer.
  • It interfaces with radio signals.
  • PAN has a limited range.
  • Devices are not compatible with each other.
  • Infrared signal travel only in a straight line.
  • It can only be used for the personal area.
  • The device with inbuilt WPAN is more expensive.
  • PAN uses microwave signals in some digital devices which have and effect on the human body like rain and heart problems may occur.
  • TV remote use infrared signals which have a problem that they travel in a straight line. So this count other disadvantages of PAN.

Difference between LAN ad PAN

The main difference between PAN and LAN is that the former tens to be centred around one person while in the LAN that is connected without wires and serving multiple users. So here this article gives the main key difference between LAN and PAN to better understand this topic.

Definition of LAN

LAN stands for the local area network, which comprised of the shared transmission medium, hardware, and software in order to communicate and handle the ordering access of the medium. The main purpose of LAN is to be able to exchange information and it is share resources.

Definition of PAN

PAN stands for a personal area network. It is sometimes referred to as a wireless personal area network. It is a network covering a very small area, typically a small room. It enables computing devices to communicate with other nearby computers and exchange information and data.

Difference between LAN ad PAN:

  • PAN  is a network covering a very small area, typically a small room. It eales computer devices to communicate with other nearby computers and exchange information and data, while in LAN the network contact computer over a small distance such as within a building or a single computer la consisting of may computers. 
  • PAN supports 250 kps in ZigBee, from kbps to 24 Mbps in Bluetooth case. LAN support 10,100, & 1000 Mbps while WLAN supports 54 Mbps as per (802.11a)and above 100 Mbps  as per (802.11n/11c/11ad).
  • PAN used for low data rate and short distance application, while in LAN is mainly used for wireless LAN and LAN where data transfer at high speed is desired.
  • PAN is mainly used for low data rate application in home automation, Bluetooth is used for data transfer between devices, while in LAN is designed for high data transfer from Mbps to Gbps.
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Difference between LAN and VLAN

VLAN is the extension of LAN where the capabilities of typical LAN is enhanced by logically segmenting the LAN into multiple broadcast domain. So here this article gives the main key difference between LAN and VLAN to better understand this topic.

Definition of LAN

LAN stands for the local area network, which comprised of the shared transmission medium, hardware, and software in order to communicate and handle the ordering access of the medium. The main purpose of LAN to be able to exchange information and share resources.

Definition of VLAN

VLAN stands for a virtual local area network, it is a logical separation of the LAN where multiple LAN segments are created within a single bandwidth. The specialty of VLAN is that the LAN segments constructed in the LAN can be spanned and contracted according to the requirement.

Difference between LAN and VLAN:

  • LAN stands for local area network, while in VLAN stand for virtual local area network.
  • The cost of the local area network is high, while the cost of a virtual local area network is less.
  • In LAN, the packet is advertised to each device, while in VLAN, the packet is sent to a specific broadcast domain.
  • LAN is the latency of the local network is high, while the latency of the virtual local area network is low.
  • LAN is less efficient than a virtual local area network, while VLAN is greater efficient than a local area network.
  • The device which is used in LAN is the hub, routers, and switch, while the device which is used in VLAN is: bridges and switch.
  • LAN is not secure enough and security measures are only taken at the routers end, while VLAN improves security by limiting the broadcast domain.
  • In LAN standard Ethernet protocols such as token ring and FDDI, While in VLAN standard protocol including ISP and VTP. 
  • In LAN packet broadcast to each device, while in send packet to the specific broadcast domain.
  • LAN performance is average as compared to VLAN which offer more efficiency, VLAN can easily troubleshoot, managed as it uses special technology for doing so.
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Difference Between Ethernet and LAN

 Ethernet is an open standard for managing the network, it also considered as the chief set of standards for the physical characteristics of LAN. The major key difference between LAN and ethernet is the network size, transmission technology, and the topology where the LAN can be scaled to a higher extent, and the ethernet network is smaller. So here this article gives the main key difference between ethernet and LAN to better understand this topic.

Definition of LAN:

LAN stands for the local area network, which comprised of the shared transmission medium, hardware, and software in order to communicate and handle the ordering access of the medium. The main purpose of LAN to be able to exchange information and share resources.

Definition of Ethernet:

Ethernet is another given the prevalent packet switched LAN technology, It was developed as an experimental coaxial cable network by xerox corporation. At that time the ethernet was operated at a rate of 3 Mbps with the help of carrier sense multiple access collision detection protocol for LAN with the irregular traffic needs.

Difference between ethernet and LAN:

  • Ethernet is the second name given the prevalent packet switched LAN technology, while in LAN stand for local area network.
  • Ethernet is a basic technology for establishing a network while in LAN is a private network bigger in scale comparative to ethernet and more reliable.
  • A LAN is centrally controlled but the ethernet is needed not to be centralized.
  • LAN can be wired and wireless as well, Ethernet can only be wired.
  • The topologies employed in the ethernet is bus and star while in LAN, the topologies can ve bus, ring, star, and mesh, etc.
  • Ethernet guided transmission media is used, while in LAN both uses the guided and unguided transmission media are used.
  • Ethernet, the transmission of data is done only when the path is unoccupied, while the LAN does not have any limitation as such ethernet.
  • There is a limitation take pace in transmission of ethernet, while there is no limitation takes place in transmission of LAN.
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MCC full form

 What is the MCC full form in electrical?

Answer:

  • Motor Control Centers

What does MCC mean?


MCC is commercial and industrial applications, quite a few electric motors are required, and it is often desirable to control some or all of the motors from a central location. The apparatus designed for this function is the use of a motor control center.

Difference between PROM and EPROM

The main key difference between PROM ad EPROM is that PROM can be programmed just once means that it can be written only one time whereas EPROM is erasable, hence it can be reprogrammed or rewritten.  So here this article gives the main key difference between PROM and EPROM to better understand this topic.

Definition of PROM

PROM stands for programmable read-only memory, It was intended to fulfil the need for a set of ROM which can contain a particular memory content. The PROM memory is written only once and programmed electrically by the user at the time or after the original chip fabrication. The necessary content file is supplied by the user and inserted in the machine known as the ROM programmer. There exist a fuse at each programme connection and it is blown when the connection is not needed.

Definition of EPROM

EPROM stands for erasable programmable read-only memory, it is the type of ROM is read ad written optically. To write associate EPROM, its storage cells should stay within the same initial state. EPROM provides reduced storage permanency as compared to PROM as a result of the EPROM is receptive to radio ad electrical noise. In the  EPROM, MOS transistors are used.

Difference between PROM and EPROM:

  • PROM is not reusable, but the EPROM is reusable multiple times.
  • PROM is inexpensive, while EPROM is processed can be reversed.
  • The processes of PROM are irreversible, it is memory is permanent, whereas the EPROM process can be reversed.
  • PROM is the type of ROM and it is written only, while EPROM is also the type of ROM is read and written optically.
  • The storage endurance of EPROM is high, while in EPROM storage endurance of PROM is less than PROM.
  • PROM is better than EPROM in terms of flexibility ad scale, while in EPROM has less flexibility and scalability.
  • PROM is totally sheathed during a plastic cowl, while in EPROM is boxed in during a rock crystal windows so the ultraviolet radiation rays will transfer through it.
  • PROM is the older version of EPROM, while the EPROM is the modern version of PROM.
  • PROM is a bipolar transistor is used, while in EPROM, a MOS transistor is used.
  • If there is miscalculations or error or bug while writing on PROM, it becomes unusable. Whereas if there miscalculation or error or bug while on EPROM, it will still be used once more.
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Difference between ROM and PROM

 ROM refere to memroy chip storing permanent data and instruction, While in PROM is a type of read only memory. It is a type of memory which can only be modified once not again and again. So here this article gives the main key difference between ROM and PROM to better understand this topic.

Definition of ROM

ROM Stand for read-only memory, ROM computer memory in which program instruction, operating procedures, or other data are permanently stored, generally on electronic chips during manufacture, and the ordinarily cannot be changed by the user.

Definition of PROM

PROM stands for programmable read-only memory. It is a computer memory chip, and it is possible to program it once after creation. After programming the PROM, the information we can write to becomes permanent. Therefore, we cannot erase or delete that written data. The PROM chip was commonly used in earlier computer BIOS systems.

Difference between ROM ad PROM:

  • ROM stands for read-only memory, While PROM stands for programmable read-only memory.
  • ROM refers to a memory chip storing permanent data and instruction, while in PROM is the type of read-only memory. It is a type of memory that can only be modified once not again and again.
  • ROM cannot be erased or written too. Memory chips that are programmed in factories for large run production.  PROM is programmed only once by blown of internal fuses permanenly and is also called field programmble ROM and is progemmed by using a ROM programmer in the lab or onsite.
  • ROM is onvolatile, which means it contents are not lost when power is removed from the computer. Most of the ROM chips are designed to be modified so, there are less chance of any type of error. User can modify it by using EPROM and EEPROM.

Difference between EPROM and EEPROM

The main key difference between EPROM and EEPROM is that the content of EPROM is erased by using UV rays, while the content of EPROM is erased by using electric signals. So here this article gives the main key difference between EPROM and EEPROM to better understand this topic.

Definition of EPROM

EPROM stands for erasable programmable read-only memory, it is the type of ROM that is read ad written optically. To write associate EPROM, its storage cells should stay within the same initial state. EPROM provides reduced storage permanency as compared to PROM as a result of the EPROM is receptive to radio ad electrical noise. In the  EPROM, MOS transistors is used.

Definition of EEPROM

EEPROM stands for electrically erasable programmable read-only memory, it is electric signal is used to erase the EEPROM contents. EEPROM may be nonvolatile memory that retains its content notwithstanding the ability is shifted. It stores the little quantity of information used for laptop or computer BIOS. It absolutely was a replacement for the  PROM as well as EPROM. 

Difference between EPROM and EEPROM:

  • EPROM stands for erasable programmable read-only memory, EPROM stands for erasable programmable read-only memory
  • EPROM can be easily recognized by its appearance it has a transparent quartz crystal window lid at the top of the chip for exposure to UV light, while EEPROM  is totally erased inside an opaque plastic case.
  • EPROM was the first re-programmable ROM whereas, the EEPROM is the replacement and modem version of EPROM.
  • The erase reprogram the EPROM the chip has to e removed and taken out the computer, while on the other hand EEPROM chip is erased and reprogrammed in the circuit of the computer itself.
  • EPROM content is erased by exposing the EPROM chip to the UV lights whereas the EEPROM content is erased by applying the electric signal to the chip.
  • EPROM includes a rock crystal window at the top, EEPROM area unit wholly sheathed in an opaque plastic case.
  • The transistor used in EPROM consumes 12.5 volt, The transistor used in EEPROM consumes 5 volts.
  • EPROM chip has got to be off from the computer circuit to erase and reprogram the computer BIOS, EEPROM chip will be erased and reprogrammed within the electrical circuit to erase and reprogram the content of the computer BIOS.
  • EPROM is a modern version of PROM, EEPROM is the modem version of EPROM.
  • EPROM relative size of cell EPROM is one, while in The relative of cell in EEPROM is 3.
  • Both EPROM and EEPROM is external programming.
  • EPROM, hot electron injection programming technique is used, EEPROM tunnel effect is used as a programming technique.
  • EPROM an erasure consumes 15 to 20 minutes for erasing contents, While in EEPROM an erasure consumes 5 millisecond time for erasing contents.
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Difference between PAL and PLA

PLA ad PLA are the types of programmable logic devices (PLD) that are used to design combination logic together with sequential logic. The main significant difference between PAL and PLA is PAL ca easily produce a combination logic circuit. While in PLA is more flexile ad adaptable than PAL. So here this article gives the main key difference between PAL and PLA to better understand this topic.

Definition of PLA

PLA Stands for the programmable logic array, which presents the boolean function in the SOP form. The PLA contains  AND and OR and NOT gates fabricated on the chip. It passes every input by a NOT gate which makes each input and its complement available to every OR gate. The OR gate output produces chip output. So, this is how suitable connections are made to employ the sum of product (SOP) expressions function.

Definition of PAL

PAL stands for programmable array logic, it is also a PLD circuit that works similarly to the PLA. PAL employs the programmable AND gates but they are fixed with OR gates, unlike PLA. It implements two simple functions where the number of links AND gate to each OR gate specifies the maximum number of product terms that can be generated in the sum of product representation of the particular function. While the AND gates are perpetually connected to the OR gates, which signifies that the produced product terms is not shared with the output function.

Difference between PAL and PLA:

  • PAL stands for programmable array logic, while PLA stands for a programmable logic array.
  • The construction of PAL can be done using a programmable collection of AND & OR gates. The construction of PLA can be done using the programmable collection of AND & fixed collection of using OR gates.
  • The flexibility of PAL programming is more, while PLA is less flexible.
  • The availability of PAL is less prolific, The availability of PLA is more.
  • The cost of a PAL is expensive, while the cost of PLA is a middle range.
  • The number of functions implemented is PAL is large, The number of functions implemented is limited.
  • PAL more used than PLA, PLA is less used than PAL.
  • The speed of  PAL is too slow, but the speed of PLA is high. 
  • PAL complexity is high, The complexity of PLA is high.

CPLD vs FPGA

One of the most consistently brought up questions among the youngest engineers and FPGA beginners is whether they should use FPGA or CPLD, so here this article gives the more key difference between FPGA and CPLD to better understand this topic. 

Definition of FPGA

FPGA is a programmable logic device that harbors a complex architecture that allows them a high logic capacity, making them ideal for high gate count designs such as server applications, video encoders/decoders. Due to the fact of FPGA consist of a large number of gates the internal delay in this chip is sometimes unpredictable.

Definition of CPLD

CPLD is a programmable logic device that is based on electricity erasable programmable read-only memory has a comparatively less complex architecture as compared to FPGA and is much suitable in small gate count designs such as a glue logic

Difference between CPLD and FPGA:

  • FPGA contains up to 100000 of tiny logic blocks while CPLD contains only a few blocks of logic that reach up to a few thousand.
  • FPGA is internally based on lookup tables, while in CPLD form logic functions with a sea of gates.
  • FPGA is a RAM-based digital logic chip but in CPLD is EEPROM based.
  • FPGA is great for the more complex application while in CPLD is better for simpler ones.
  • In terms of architecture, FPGA is considered fine-grain devices while in CPLD are coarse grain.
  • FPGA is made up of tiny logic blocks while CPLD is made of larger blocks.
  • FPGA is great for more complex applications while CPLD is better for simpler ones.
  • FPGA is more expensive while in CPLD is much cheaper.
  • Delay is much predictable in CPLD than in FPGAs. 
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MSS full form

 What is the full form of MSS?

Answer:

  • Mobile Station Services

What does MSS mean?


MSS provides two-way voice communication and it also provides data communication to global users who are on the go or in remote locations, terminals range in the size from handheld to laptop size units. The terminal can also e mounted in a vehicle, with communication maintained while the vehicle is moving. MSS operates at L-band low enough in the frequency spectrum to avoid and neglected the rain fade associated with higher bandwidth Ku and Ka-band fixed satellite system.

FSS full form

 What is the full form of FSS?

Answer:

  • Fixed Service Satellites

What does FSS mean?


FSS is part of satellite terminology, it is a radio communication service between ground stations at a given position which is fixed to a specific area, which uses very small aperture terminal technology for providing high-speed communication to the end-users. The FSS works in the band such as a Ka-band, C band which aids in offering superior service on the existing networks.

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LSI full form

 What is the full form of LSI?

Answer:

  • Large Scale Integration 

What does LSI mean?


LSI is the process of integrating or it is embedding thousands of transistors on a single silicon semiconductor microchip. LSI technology was conceived in the mid-1970 when computer processor microchip was under development.

MSI full form

 What is the full form of MSI?

Answer:

  • Medium Scale Integration

What does MSI mean?


MSI was an attractive economic method, which cost little more systems to be produced using a circuit board called small circuit boards, less assembly work, and the number of other advantages. It has been replaced by successive integration methods such as the large scale integration, and ultra large scale, and very large scale as the ability to increase the number of transistors in integrated circuits improved.  SO the next development was of large-scale integration(LSI).

SSI full form

 What is the full form of  SSI?

Answer:

  • Small Scale Interaction

What does SSI mean?


The first integrated circuit contains only a few transistors and so was called SSI. They used a circuit containing transistor numbering in the tens. They were very crucial; in the development of early computers. SSI was followed by the introduction of the device which contained hundreds of transistors on each chip, and so were called the medium-scale integration.



CAD full form

 What is the full form of CAD?

Answer:

  • Computer-Aided Design

What does CAD mean?


CAD also is known as computer-aided drafting, is the use of computer software technology and systems to design and create a 2D and 3D design. It is a combination of hardware and software that makes engineers design everything. It provides the facility to view a design from any angle and to zoom in out for closure or distant look respectively. When a designer makes a change in the design, all the values must be depending on that change automatically according to that.

VLSI full form

 What is the full form of VLSI?

Answer:

  • Very Large Scale Integration

What does VLSI mean?


VLSI is the process of creating an integrated circuit by integrating hundreds of thousands of transistors onto a single chip. It is used in creating so many chips and circuits on a single mini chip of silicon. VLSI began when complex semiconductors and communication technologies were being developed in the 1970s. The microprocessor is a VLSI device. An electronic circuit might consist of a CPU device, RAM, ROM, and other glue logic devices. VLSI lets IC designers that added all of these into one single chip.

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