1000+ Computer Programming Questions and Answers Pdf - 2

Question: 6

What is a computer?

A computer can be defined as an automatic electronic machine for performing calculations or controlling operations that are expressible in numerical or logical terms.

Computers are very accurate and save time by performing the assigned task very fast.

Question: 7

What is tabulating machine?

A tabulating machine using punched cards was designed by Herman Hollerith and was called as the Hollerith Machines. This electronic machine is able to read the information on the punched cards and process it electronically.

Question: 8

What is a rotating wheel calculator?

The rotating wheel calculator was developed by a French philosopher, Blaise Pascal,, using simple components such as gears and levers. This is a predecessor to today’s electronic calculator.

Question: 9

What are peripheral devices?

The hardware devices attached to the computer are called peripheral equipment or devices. Peripheral equipment includes all input, output and secondary storage device.

Question: 10

What is storage?

Storage usually means secondary storage, which stores data and program. Here the new data and programs are permanently stored for future use.