Computer can work cotinuously with out getting tired. This is called as

• diligence

• Reliability

• versatility

• Accuracy

Information Technology refers to

• Storing information

• Transferring information

• processing information

• all the above

The process of the analog and digital signal is called

• analog computer

• Mainframe computer

• digital computer

• Hybrid computers

components of computer system are

Answer explanation

Input unit, Processing unit, Output unit

The Heart of computer is _____________________________

The Tangible component of a computer system is called __________

The functions of ALU is to perform the actual calculations in the computer are:

Answer explanation

addition, subtraction, multiplication,& division

comparisions, decisions

How many keys are divided in keyboard?

Answer explanation

Numeric keys

Character keys

punctuation keys

functions keys

special purpose keys

cursors movement keys

Write ten Input devices

Answer explanation

Keyboard

Mouse

Trackball

joystick

light pen

touch screen

optical character reader

magnetic ink character recognition

Barcode reader

scanner

microphone

digital camera

draw a mouse