Question # 1

All the characters on your keyboard has an associated code in binary. This code is called:

Choose an answer

BCD

Unicode

ASCII

EBCDIC

Hard drives, flash drives and memory cards are example of memory:

Choose an answer

Non-volatile

Volatile

Hard disk

Floppy disk

To convert a hexadecimal number to binary, simply covert each hexadecimal digit to _______ digits binary value:

Choose an answer

Four

Two

Three

Five

As soon as the power supply is disconnected, all the data in _________ is cleared:

Choose an answer

RAM

ROM

Hard disk

Floppy disk

Data to a processor is provided through:

Choose an answer

ROM

RAM

EPROM

EEPROM

Which language is understood by the computer ?

Choose an answer

Binary

Hill

High level

Middle level

1 TB = (1,024) GB or ______ bytes:

Choose an answer

(1,024)⁵

(1,024) KB or (1,024)²

(1,024)⁴

(1,024)²

An inverter is called a:

Choose an answer

AND

NAND

NOT

NOR

To convert a decimal number to binary, we divide the number by _______ and take quotient and remainder:

Choose an answer

8

2

16

12

A device which can hold data even if it is not connected to any power source is called:

Choose an answer

Non- Volatile Memory

Volatile Memory

Both A and B

Central memory

According to _____ law there is no change in results if priority of expressions is changed:

Choose an answer

Associatative

Commutative

Duality

Complement

Which is an example of primary memory ?

Choose an answer

Floppy disk

CD - ROM

Hard disk

RAM

Hexadecimal system has total ______ numbers:

Choose an answer

17

16

15

18

1 Petabyte is equal to _________:

Choose an answer

(1,024)⁴ bytes

(1,024)⁵bytes

(1,024)⁶bytes

(1,024)⁷bytes

In Boolean algebra plus sign is used for _________ operation:

Choose an answer

OR

AND

NAND

NOT

More Classes

Other Links

Computer Science 9th Class English Medium Chapter 2 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer