Number System Revision

What is the decimal representation of the binary number 101010?

• 42
• 64
• 48
• 26

What is the binary representation of the decimal number 33?

• 100001
• 101011
• 111000
• 110101

What is the decimal representation of the hexadecimal number 7F?

• 127
• 92
• 144
• 113

What is the decimal representation of the octal number 74?

• 60
• 26
• 48
• 42

What is the result of adding 11001 and 101 in binary?

• 11110
• 11111
• 11101
• 11010

What is the result of adding 11011 and 11100 in binary?

• 101111

• 101011

• 100111

• 110111

What is the result of subtracting 1001 from 1110 in binary?

• 101

• 10

• 1101

• 1010

What is the result of subtracting 10010 from 11001 in binary?

• 111
• 1001
• 11111
• 10001