## cs302 quiz 11th november, fall 2010

Which of the number is not a representative of hexadecimal system
Select correct option:

1234

ABCD

1001

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

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

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

12

16

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

2

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

101, 1011

101, 1101
10111, 11

1011+101 = ______
Select correct option:

10000

00001

10011

11001

Adding two octal numbers 36 and 71 result in ________
Select correct option:

213

123

127

345

The first Least Most digit in decimal number system has
Select correct option:

Has position 0 and weight equal to 1

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

AND

NOT

OR-AND

The OR Gate performs a Boolean _______ function
Select correct option:

Subtraction

Multiplication

Division

Adding two octal numbers 36 and 71 result in ________
Select correct option:

213

123

127

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

0.24582

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

TRUE

FALSE

The three fundamental gates are ___________
Select correct option:

AND, NAND, XOR

OR, AND, NAND

NOT, NOR, XOR

NOT, OR, AND

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

16

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

2, 2

2, 4

4, 2

4, 4

NAND gate is form by connecting _________
Select correct option:

AND Gate and then NOT Gate

NOT Gate and then AND Gate

AND Gate and then OR Gate

OR Gate and then AND Gate