Number system and units of computer data

The smallest unit of data in computing?

• Byte

• Bit

• Nibble

• Kilo Byte

1 Nibble is equal to

• 1 Byte

• 4 Byte

• 8 Bits

• 4 Bits

Which of the following is not a positional number system?

• Roman Number System

• Octal Number System

• Binary Number System

• Hexadecimal Number System

The value of radix in binary number system is _____________

• 2

• 8

• 10

• 1

The binary equivalent of the decimal number 10 is __________

• 0010

• 10

• 1010

• 010

A computer language that is written in binary codes only is _____

• Machine language

• C

• C#

• Pascal

Convert the binary equivalent 10101 to its decimal equivalent.

• 21

• 12

• 31

• 22

Which of the following is the correct representation of a binary number?

• (124)₂

• 1110

• (110)²

• (000)₂

How many bits are there in a byte?

• 4 bits

• 8 bits

• 16 bits

• 32 bits

How many bytes are in a kilobyte (KB)?

• 1000 bytes

• 1024 bytes

• 1048576 bytes

• 1000000 bytes