CS302 Quiz No.1 Shared by Nadaan

Which of the number is not a representative of hexadecimal system
Select correct option:
“1234”
“ABCD”
“1001” correct
“DEFH”

High level Noise Margins (VNH) of CMOS 5 volt series circuits is _____________
Select correct option:
0.3 V
0.5 V
0.9 V correct
3.3 V

To get the answer “1” in Boolean addition of three variables, ________
Select correct option:
All three variables must be 1
One of the variables must be 1 correct
All three variables must be 0
Any two variables must be 1

The 3-variable Karnaugh Map (K-Map) has _______ cells for min or max terms
Select correct option:
4
8 correct
12
16

________ is invalid number of cells in a single group formed by the adjacent cells in K-map
Select correct option:
2 correct
8
12
16


Consider A=1,B=0,C=1. A, B and C represent the input of three bit NAND gate the output of the NAND gate will be _____
Select correct option:
Zero
One
Undefined
No output as input is invalid

The Binary number 1011.101 has an Integer part represented by _____ and a fraction part ____ separated by a decimal point.
Select correct option:
1011, 101 correct
101, 1011
101, 1101
10111, 11

1011+101 = ______
Select correct option:
10000 correct
00001
10011
11001

Adding two octal numbers “36” and “71” result in ________
Select correct option:
213
123
127 correct
345

The first Least Most digit in decimal number system has
Select correct option:
Has position 0 and weight equal to 1 not sure
Has position 1 and weight equal to 0
Has position 1 and weight equal to 10
Has position 0 and weight equal to 10

Sum term (Max term) is implemented using ________ gates
Select correct option:
OR correct
AND
NOT
OR-AND

The OR Gate performs a Boolean _______ function
Select correct option:
Addition correct
Subtraction
Multiplication
Division

Adding two octal numbers “36” and “71” result in ________
Select correct option:
213
123
127 correct
345

If we multiply “723” and “34” by representing them in floating point notation i.e. by first, converting them in floating point representation and then multiplying them, the value of mantissa of result will be ________
Select correct option:
24.582
2.4582
24582 not sure
0.24582

NOR Gate can be used to perform the operation of AND, OR and NOT Gate
Select correct option:
TRUE correct
FALSE

The three fundamental gates are ___________
Select correct option:
AND, NAND, XOR
OR, AND, NAND
NOT, NOR, XOR
NOT, OR, AND correct

A SOP expression having a domain of 3 variables will have a truth table having ____ combinations of inputs and corresponding output values.
Select correct option:
2
4
8 correct
16

The 4-variable K-Map has ________ rows and ___________ columns of cells.
Select correct option:
2, 2
2, 4
4, 2
4, 4 correct

NAND gate is form by connecting _________
Select correct option:
AND Gate and then NOT Gate correct
NOT Gate and then AND Gate
AND Gate and then OR Gate
OR Gate and then AND Gate