Data Representation

0010 1000 in denary number is ________.

• 20

• 40

• 24

• 42

Binary equivalent of the given number 76 is ____________

• 0100 0110

• 0101 0010

• 0110 0100

• 0100 1100

Convert the binary number 1011 1110 0001 in hexadecimal.

• BA2

• DF6

• AC4

• BE1

Convert the hexadecimal number 45A to binary.

• 0100 0101 1010

• 0100 1000 1001

• 0010 1100 0100

• 0101 0110 1000

Convert the denary number 2004 into hexadecimal

• 7D4

• 7EF

• 7A3

• 7BF

Convert the hexadecimal number C8F into denary.

• 2305

• 4250

• 3215

• 3145

The result for the binary addition of 0010 0010 and 0001 0101 is ________.

• 0001 1000

• 1010 0010

• 0011 0111

• 0110 0100

The result after shifting the binary number 0001 0010 two places to the left is ____________.

• 0100 1000

• 1001 0000

• 0001 1000

• 1010 0010

Convert -67 in a binary number using the two's complement format.

• 1000 1101

• 1011 1101

• 0100 1101

• 0010 1101

Which one of the following is not a use of the hexadecimal system?

• Error codes

• HTML colour codes

• MAC addresses

• Encryption