Explanation

The first operating system was introduced in the early 1950's, it was called GMOS and was created by General Motors for IBM's machine the 701.

Explanation

MS-Excel comments are used to add a note or explain an action in a cell.

Explanation

Explanation

In computing, a logical address is the address at which an item appears to reside from the perspective of an executing application program.

A logical address may be different from the physical address due to the operation of an address translator or mapping function. 

Explanation

Explanation

• Antivirus software is designed to detect, prevent, and remove malicious software (malware) from a computer.
• It scans for and removes culprit codes, such as viruses, worms, and trojans, that can harm a computer system.

Explanation

Explanation

A liquid-crystal display  is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers.

Liquid crystals do not emit light directly,instead using a backlight or reflector to produce images in color or monochrome.

Explanation

The number used to represent one unit length of a bar or one picture on a pictograph.

Scaled Picture or Pictograph Graph DEFINE.

A pictograph that uses a picture to represent more than one unit. Scaled Bar Graph DEFINE.

A bar graph that uses intervals of more than one uni

Explanation

The conditional operator (? :) is a shorthand for the if-else statement.

It evaluates a condition and returns one value if true, another if false.