REVISION TEST INFORMATION TECHNOLOGY 3rd FORM (GRADE 9)

Which of these show the function of a computer?

• INPUT, OUTPUT STORAGE

• INPUT, PROCESSING, STORAGE, OUTPUT

• PROCESSING, STORAGE, MONITOR, KEYBOARD

• INPUT, OUTPUT, PROGRAMS, HARDWARE

Which of the following types of computers has the fastest processing speed?

• Laptops

• Mainframes

• Embedded Computers

• Super Computers

ROM and RAM are types of Primary ________?

• Hard Drive

• Hard board

• Motherboard

• Memory

The smallest unit of storage is called:

• Byte

• Nibble

• Binary Digit

• Kilobyte

Answer explanation

Bit is the shortening of Binary Digit and it is the smallest unit of storage.

Which of the following is a storage device?

• Scanner

• Flash drive

• Plotter

• Joystick

What does volatile mean?

• Data is lost when the power is turned off

• Data is NOT lost when the power is turned off

• Easy to break

• None of the above

________ is the brain of the computer

• CPU

• CU

• ALU

• Hard disk

Answer explanation

The CPU (Central Processing Unit), is the brain of the computer. It is in charge managing the entire system. It contains two parts, the CU (Control Unit) and the ALU (Arithmetic Logic Unit).

What does non-volatile mean?

• Data is NOT lost when the power is turned off

• Data is lost when the power is turned off

• Easy to break

• None of the above

The term ______ refers to the computer system's physical parts that a user can see and touch.

• Software

• Peripheral Device

• Hardware

• Program

_________ is a set of instructions (called program) that a computer needs to carry out it's tasks.

• Software

• Peripheral Device

• Hardware

• None of the above