computer

Which of the following is an input device?

• CPU

• Printer

• Keyboard

• Speaker

Which is the first calculating device in the world?

• Calculator

• Abacus

• Computer

• Mobile phone

Which of the following is the correct function of a CPU?

• It performs wrong calculations.

• It exetes program.

• It doesn't make decisions.

• It manages all the resources of the computer.

What is the full form of GHz?

• Gegha Hertz

• Giga Hertz

• Giga Heart

What is the full form of ALU?

• Arithmetic and lagic unit

• Aritmetic and logic unit

• Arithmetic and Logic Unit

Which of the following is the characteristics of a computer?

• Accuracy

• Calculating

• giving result

• processing

A computer is an accurate machine. why?

• Because it works for a long time.

• Because It can do a lot of works.

• Because it doesn't make any mistake.

• Because It can perform works very fast.

A computer is called an diligent machine. why?

• Because it can work for a long time without taking rest.

• Because it can perform different types of works.

• Becaus we can communicate to each other through it.

• Because it can store a large amount of data and program.

Printer is an

• Hard copy output

• Soft copy output

Monitor is a

• Hard copy output

• Soft copy output