Test Problems

Question 1

How many values can be stored in 5 bits?

Answer 1

32

Question 2

112 base 8 is equivalent to _____ in base 10

Answer 2

74

Question 3

Convert the binary value 100011 to decimal assuming unsigned representation .

Answer 3

35

Question 4

Hex value 2A=____ in decimal

Answer 4

42

Question 5

Hex value 2A=____ binary

Answer 5

0010-1010

Question 6

Binary 11000101=____ in hexadecimal

Answer 6

C5

Question 7

What does the bit indicate when adding two UNSIGNED BINARY values?

Answer 7

Carry

Question 8

What is the highest value that can be stored in 4 bits assuming unsigned representation ?

Answer 8

15

Question 9

Assuming signed magnitude 8 bit representation, what is the decimal value of binary 10001010?

Answer 9

-10

Question 10

Convert the following decimal number to binary assuming 8-bit two’s complement binary representation: 23

Answer 10

0001-0111

Question 11

Convert the following decimal number to binary assuming 8-bit two’s complement binary representation: -23

Answer 11

1110-1001

Question 12

Convert the binary number to decimal assuming bit two’s 8 - bit twos complement binary representation. 11101101

Answer 12

-19

Question 13

What 4 status bits get set when adding 2 two’s complement binary numbers ?

Answer 13

C, N, O, Z

Carry, negative, overflow, zero

Question 14

Convert the binary value 110.1 to decimal

Answer 14

6.5

Question 15

Perform the operation on the binary value: NOT 10001001

Answer 15

0111-0110

Question 16

Perform the operation on the binary value: NEG 10001001

Answer 16

0111-0111

Question 17

Perform the operation assuming C has an initial value of 1: ASL 1100 1001

Answer 17

1001-0010

Question 18

What is the worldwide character-encoding standard we discussed that uses 16 bits to encode characters ?

Answer 18

Unicode

Question 19

Assume the normalized value will be stored using IEE 754 SPFP : 1.101101 * 2 to the 5th power .

Answer 19

101101*17 /24.5