WorksheetsComputer Architecture
Total questions: 20
Worksheet time: 28mins
Choose the correct Answer
1. Can AND and OR gates have >2 inputs
2. Can NOT gate have only one input
Only 1 is True
Only 2 is True
Both 1 and 2 are True
None of them are True
In K-Map right order of two variables AB in F(A,B,C,D) in SOP
A'B' - A'B - AB - AB'
A'B' - A'B - AB' - AB
AB - AB' - A'B - A'B'
A'B' - AB' - A'B - AB
the truth table displayed is
NAND
NOR
XOR
XNOR
This is the logic symbol of ?
OR
NAND
NOR
XOR
All the arithematic and logical operations in CPU are performed by ________
ALU
CU
Both ALU and CU
Which among the options are Universal Gates
AND
OR
NAND
NOR
X(Y+Z)= ______
(X+Y) . (X+Z)
(X.Z) + (X.Y)
(X.Y) + (Y.Z)
(X+Y) . (Y+Z)
The law which gives importance to the order of execution is
Commutative Law
De Morgan's Law
Order Law
Associative Law
Which among the foloowing is/are NOT correct
X + 0 = X
X . 1 = X
1 + X = 1
0 . X = X
(X+Y)' = X' . Y' is it True?
True
False
This is conversion of
NOR to AND
NAND to OR
NAND to AND
NOR to OR
In K-MAP the simplified version of F(A,B,C,D) = Σ (8,9,10,11) is
A'B'
A'B
AB
AB'
The simplified expression of F(A,B,C,D) = Σ (0,1,2,4,5,7,11,15) is
A'C' + BCD + ACD + A'B'D'
AC + B'C'D + A'CD + AB'D
AB' + BCD + ACD + A'B'D'
A'C + BCD + ACD' + A'B'D'
Half Adder is an combinational circuit that performs the arithematic addition of _____ number of bits
3
2
1
Any
Convert 127 into binary
(a)
The bonary value of the hexa decimal 5B78 is (a)
The number of digits is reduced by ______ for octal and ______ for Hexa decimal when we convert from binary. This is the reason that the system tend to store values in these formats
1/5 and 1/8
1/8 and 1/16
1/3 and 1/4
8 and 16
Representation of -29 in binary is
11101
00010
00011
11100
Find the odd one out
BCD
XS3
Gray Code
Parity Bit
Full Adder will consider the Carry bit from previous addition operation?
True
False
