Question 1
The smallest integer that can be represented by an 8-bit number in 2’s complement form is
-256
-128
-127
0
Question 2
P is a 16-bit signed integer. The 2's complement representation of P is (F87B)16.The 2's complement representation of 8*P
(C3D8)16
(187B)16
(F878)16
(987B)16
Question 3
What is the minimum number of gates required to implement the Boolean function (AB+C) if we have to use only 2-input NOR gates?
2
3
4
5
Question 6
Let R1 and R2 be two 4-bit registers that store numbers in 2’s complement form. For the operation R1+R2, which one of the following values of R1 and R2 gives an arithmetic overflow?
R1 = 1011 and R2 = 1110
R1 = 1100 and R2 = 1010
R1 = 0011 and R2 = 0100
R1 = 1001 and R2 = 1111
Question 7
If x and y are two decimal digits and (0.1101)2 = (0.8xy5)10, the decimal value of x+y is _____ .
3
4
1
2
Question 8
Let the representation of a number in base 3 be 210. What is the hexadecimal representation of the number?
15
21
D2
528
Question 9
Let X be the number of distinct 16-bit integers in 2’s complement representation. Let Y be the number of distinct 16-bit integers in sign magnitude representation. Then X −Y is _________ [This Question was originally a Fill-in-the-blanks Question]
1
2
3
0
Question 10
We want to design a synchronous counter that counts the sequence 0-1-0-2-0-3 and then repeats. The minimum number of J-K flip-flops required to implement this counter is Note : This question was asked as Numerical Answer Type.
1
2
4
5
There are 41 questions to complete.