Number System Conversions (Part 1)

The binary system uses powers of which base?

• 2

• 16

• 11

• 10

• 8

Convert octal 74 to binary.

• 110010

• 110100

• 111110

• 111100

• 1000000

Convert octal 20 to binary.

• 1000000

• 10110

• 10111

• 10001

• 10000

Convert binary 10101110 to octal.

• 435

• 534

• 652

• 234

• 256

Find the octal equivalent of binary 10011,1101 (comma indicates separate groups).

• 23,64

• 32,54

• 23,53

• 63,51

• 22,22

Find the binary equivalent of octal 13,54 (comma indicates separate groups).

• 1101,111

• 1111,1011

• AFF1

• 1001,111

• 1011,1011

Convert hexadecimal 1D7F to decimal.

• 5555

• 8771

• 7551

• 7781

• 5557

Convert binary 10110111100 to hexadecimal.

• 5BC

• 3374

• 3BB

• B74

• 75B

Convert binary 11011000 to hexadecimal.

• 7A

• 8C

• 87

• D8

• AC

Find the hexadecimal equivalent of binary 11110111101.

• CBD

• 7BD

• 78B

• 77D

• D7C