DE_ST01

 $3\times10^{1\ }+4\times10^{0\ }$  is

• 0.34

• 3.4

• 34

• 340

The decimal equivalent of binary number 1000 is

• 2

• 4

• 6

• 8

The binary number 11011101 is equal to the decimal number

• 121

• 221

• 441

• 256

The decimal number 21 is equivalent to the binary number

• 10101

• 10001

• 10000

• 11111

The decimal number 250 is equivalent to the binary number

• 11111010

• 11110110

• 11111000

• 11111011

The sum of 1111+1111 in binary equals

• 0000

• 2222

• 11110

• 11111

The difference of 1000 - 100 equals

• 100

• 101

• 110

• 111

The 1's complement of 11110000 is

• 11111111

• 11111110

• 00001111

• 10000001

The 2's complement of 11001100 is

• 00110011

• 00110100

• 01000101

• 10000101

The decimal number +122 is expressed in the 2's complement form as

• 01111010

• 11111010

• 01000101

• 10000101