Explanation

CAD, or CADD, is short for computer-aided design or computer-aided design and drafting.

CAD is a software used in the computer systems by: 

• Engineers
• Architects
• Drafters
• Artists

Explanation

The modem is short for "Modulator-Demodulator."

A modulator-demodulator or modem is a computer hardware device 

A modulator-demodulator or modem converts data from a digital format into a format .

Explanation

The computer that processes both analog and digital signal is called hybrid computer.

Hybrid computers are computers that exhibit features of analog computers and digital computers.

The digital component normally serves as the controller and provides logical and numerical operations,

while the analog component often serves as a solver of differential equations and other mathematically complex problems.

Explanation

Laser technology is used in compact disc

Compact Disc is an example of Optical Storage

James T. Russell invented C.D. (Compact Disc).

 co-developed by Philips and Sony to store and play digital audio recordings.

history

 In August 1982, the first compact disc was manufactured.

It was then released in October 1982 in Japan and branded as Digital Audio Compact Disc.

It was released on March 2, 1983, in North America and Europe.

FIA CBT VU PAPER 22-12-2021

ND30-4-2023

Explanation

Derived from: computare

Means: “to calculate”, “to count”, “to sum up” or “to think together”. 

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Explanation

Magnetic ink character recognition (MICR) is a technology used primarily to identify and process checks.

The MICR on a check is the string of characters that appears at the bottom left of the check. 

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Explanation

Data Redundancy refers to the duplication of the same data in multiple files or locations within a database or file system.

This can lead to inefficiency and wasted storage.

Explanation

LAN stands for local area network

It is a collection of devices connected together in one physical location

For example"

• school
• laboratory
• university campus 
• office building.

LAN covers can be small or large from home network and enterprise network

Additional Information

WAN stands for wide area network.

MAN stands for Metropolitan Area 

WANs and MANs connect many LANs together

WANs and MANs cover a large geographical area

Explanation

Explanation

The basic operations performed by a computer are arithmetic operations, logical operations and storage and relative functions.

Basically computer does 5 basic operations that are input, output, process,storing and controlling.