Explanation

Video processor consists of Video Graphic Array and memory which store and process images.

Video Graphics Array  first introduced with the IBM PS/2 line of computers in 1987

A VGA cable is a device used to transfer video signals.

VGA provides a maximum resolution of 640 x 480 with a refresh rate of 60 Hz

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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

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

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

An arithmetic logic unit  is a digital circuit used to perform arithmetic and logic operations.

It represents the fundamental building block of the central processing unit (CPU) of a computer.

Modern CPUs contain very powerful and complex ALUs.

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