48 Best Device Questions and Answers (Q&A) - ProProfs Discuss

What is the difference between GPWS and EGPWS?

G. Horace, Content Developer
Answered: Aug 07, 2019

GPWS and EGPWS are two types of technologies which are used by pilot in ensuring the safety of the aircraft. GPWS is the short form of Ground Proximity Warning Signal, while EGPWS is the short...Read More

3 Answers

2703 views

Which of the following is not a scanning device?

Nmondesir
Answered: Jan 20, 2025

Touch pad

1 Answer

902 views

What is the difference between CMOS and BIOS?

J. Pollock, Science Professor
Answered: Jul 31, 2019

CMOS means Complementary Metal Oxide Semiconductor, while BIOS is the short form of Basic Input Output system. Both terms are used together in computer and they are created to perform different...Read More

2 Answers

721 views

What is the difference between UPS and SPS?

P. Halah
Answered: Jan 05, 2021

UPS stands for Uninterruptable Power Supply while SPS stands for Stand by Power Supply.
A stand by the power supply is also known as offline UPS because it doesn’t activate until it...Read More

3 Answers

565 views

What is the difference between Sonos and Airport Express?

E. Stanley, Technical writer
Answered: Aug 13, 2019

Sonos and Airport Express are two types of audio streaming devices. Both have different advantages over each other, and they are good for streaming audio files. Sonos is known as one of the most...Read More

1 Answer

482 views

What is the difference between Input Device and Output Device?

S. Leo, Content Blogger
Answered: Jul 11, 2019

The function of the input device is to give information to the computer for processing and to transfer data into the central unit. Output devices provide the user with information. The input...Read More

1 Answer

395 views

What is the difference between IGBT and MOSFET?

J. Pollock, Science Professor
Answered: Jul 31, 2019

MOSFET stands for metal oxide semiconductor field-effect transistor, and IGBT stands for insulated gate bipolar transistor. These are two types of transistors, and both of them belong to the gate...Read More

3 Answers

381 views

What is the difference between RS-232 and RS-485?

H. Jones, Web Content Writer
Answered: Sep 11, 2019

RS-232 and RS-485 are some of the oldest known serial interfaces. RS-232 was established around 1962. It worked by connecting data terminal equipment (DTE) to data communications equipment (DCE)....Read More

4 Answers

372 views

What is the difference between Flash Drives and Hard Drives?

J. Pollock, Science Professor
Answered: Jul 31, 2019

Flash Drives and Hard Drives are used to expand the memory capacity of a computer. We are currently living in a world that gives us every reason to have a lot of files, data stored on our...Read More

2 Answers

333 views

What is the difference between Weed Eaters and Bladed Trimmers?

J. Pollock, Science Professor
Answered: Sep 04, 2019

Weed eaters, which are also known as string trimmers, these are devices for trimming grasses and some other foliage. This device was invented in the year 1972, and it has made grass trimming very...Read More

2 Answers

305 views

What is a modem?

P. Halah
Answered: Jan 05, 2021

A modem is a short form of modulator-demodulator. It is a hardware component that connects your computer to other network devices either through a network cable or wireless connection. The first...Read More

1 Answer

292 views

What is the difference between Playstation Portable PSP 3000 and PSP Go?

D. Smith, Musician
Answered: Sep 30, 2019

Both Xbox Live and the PlayStation network can be regarded as the best online gaming consoles. You are definitely going to enjoy a lot from the two gaming networks. However, while you are to...Read More

1 Answer

284 views

What is the difference between MPEG2 and MPEG4?

Howard Reyes, Science Teacher
Answered: Jul 04, 2019

When televisions went digital, they used a format called MPEG-2. It allowed the movies and television shows to be broadcast through cable and linear systems. Sometimes, they were used by the...Read More

1 Answer

279 views

What is the function of the Control Unit?

Nmondesir
Answered: Jan 20, 2025

It is a section of CPU responsible for all transfer of data between CPU and other components and for fetching, decoding and executing instructions

1 Answer

268 views

What is the difference between Cyborg and Robot?

Daniel Frederic
Answered: Jul 15, 2020

The major difference between robot and a cyborg is the presence of life. A robot is actually a machine which is advanced. It is most times automatic and requiring a little interaction with...Read More

4 Answers

260 views

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