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1. Which of the following is billionth of a second?

• Microsecond

• Nanosecond

• Terabyte

• Gigabyte

2.The two kinds of main memory are

• CDs and DVDs

• RAM and ROM

• Primary and secondary

• Direct and sequential

3. RAM is also called as

• Virtual memory

• Non volatile memory

• Cache memory

• Volatile memory

4.Which parts of the computer were is used for calculating and comparing?

• ALU

• Modem

• Control unit

• Disk unit

5.Which of the following is the most powerful type of computer?

• Mainframe Computer

• Micro

  computer

• Super

  computer

• Mini

  computer

A machine that can store and process information is ....

• TV

• Computer

• Remote

The part of computer that looks like a television is ....

• monitor

• mouse

• keyboard

The device with many buttons is called ....

• monitor

• CPU

• keyboard

This is a ....

• keyboard

• monitor

• mouse

It is called ...

• speaker

• monitor

• printer