Computer fundamental MCQ Questions and answers- Technical Aptitude

The space key does not have any thing printed on it. It is also a longest key on the keyboard.

It is the most common layout of a keyboard. The name comes from reading the first six keys appearing on the top left letter row of the keyboard ( Q , W , E , R , T , and Y ) from left to right.

In 1968, a man named Douglas Engelbart created this special tool to help people control their computers. It was a small wooden block on wheels, and there was a long cable sticking out of the back, kind of a tail. One of the researchers helping Mr. Douglas Engelbart with his creation called the tool a mouse.

A digitizer tablet (also known as a digitizer or graphics tablet) is a tool used to convert hand-drawn images into a format suitable for computer processing. Images are usually drawn onto a flat surface with a stylus and then appear on a computer monitor or screen. Digitizer tablets can also be used as an input device, receiving information represented in drawings and sending output to a CAD (computer aided design) application and PC-based software like Auto-CAD.

A pointing device is an input interface that allows a user to input data to a computer using physical gestures - point, click, and drag. Touch screen is also used to give an input.

A light pen is a computer input device in the form of a light-sensitive wand used in conjunction with a computer's CRT display.

A trackball is a mouse like devices which work as a mouse but differently.

The stripe on the back of a credit card is a magnetic stripe, often called a magstripe. The magstripe is made up of tiny iron-based magnetic particles in a plastic-like film. Each particle is really a very tiny bar magnet about 20 millionths of an inch long.

A hard copy is a printed copy of information from a computer. Sometimes referred to as a printout, a hard copy is so-called because it exists as a physical object. The same information, viewed on a computer display or sent as an e-mail attachment, is sometimes referred to as a soft copy.

VAB = Voice Answer Back.