Computer science

The brain of any computer system is

• Control unit

• Memory

• CPU

• ALU

• None of the above

Which part interprets program instructions and initiate control operations

• Input

• Storage unit

• Logic unit

• Control unit

• None of the above

The binary system uses powers of

• 2

• 8

• 10

• 16

• None of the above

Which device of computer operation dispenses with the use of the keyboard?

• Joystick

• Light pen

• Mouse

• Touch

• None of the above

Who invented the first computer ?

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Any device that performs signal conversion is

• Modulator

• Modem

• Keyboard

• Plotter

• None of the above

A memory that holds micro programs is

• Core memory

• ROM

• RAM

• Control memory

Which is a device that changes information into digital form?

• Modem

• Light pen

• Mouse

• Digitizer

• None of the above

Symbolic languages were developed in

• 1962

• 1950

• 1974

• 1980

• None of the above

Group of instructions that directs a computer is called

• Memory

• Storage

• Program

• Logic