cs302 solved final term papers and quiz by vuhelp fall 2010 on 14 feb 2011

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CS302 QUIZ 2010-05-11

Question # 1 of 10 ( Start time: 11:54:42 PM ) Total Marks: 1
The cell marked 6 in 4-variable K-Map represent minterm 6 or the maxterm 6 having the following binary value of variables A, B, C and D.
Select correct option:

A=1, B=1, C=0, D=0

A=0, B=1, C=1, D=0 (lec 10 p98)

A=0, B=0, C=1, D=1

A=1, B=0, C=0, D=1

Question # 2 of 10 ( Start time: 11:56:07 PM ) Total Marks: 1
A + B = B + A is __________
Select correct option:

Demorgan’s Law

Distributive Law

Commutative Law

Associative Law

Question # 3 of 10 ( Start time: 11:56:50 PM ) Total Marks: 1
The output of an XOR gate is zero (0) when __________ I) All the inputs are zero II) Any of the inputs is zero III) Any of the inputs is one IV) All the inputs are one
Select correct option:

I Only

IV Only

I and IV only

II and III only

sec(s)

Question # 4 of 10 ( Start time: 11:58:17 PM ) Total Marks: 1
For a Standard SOP expression
, a ______ is placed in the cell corresponding to the product term (Minterm) present in the expression.
Select correct option:

0

1

X (don’t care condition)

Any of given option depending on SOP term.

sec(s)

Question # 5 of 10 ( Start time: 11:59:45 PM ) Total Marks: 1
NOR Gate can be used to perform the operation of AND, OR and NOT Gate
Select correct option:

TRUE

FALSE

sec(s)

Question # 6 of 10 ( Start time: 12:01:06 AM ) Total Marks: 1
An example of SOP expression is
Select correct option:

A + B(C + D)

A'B + AC' + AB'C

(A' + B + C)(A + B' + C)

both (a) nad (b)

Question # 7 of 10 ( Start time: 12:02:29 AM ) Total Marks: 1
A standard POS
form has __________ terms that have all the variables in the domain of the expression.
Select correct option:

Sum

Product

Min

Composite

Question # 8 of 10 ( Start time: 12:02:56 AM ) Total Marks: 1
Don’t care conditions are marked as ___________ in the output column of the function table
Select correct option:

0

1

X

None of the given options

Question # 9 of 10 ( Start time: 12:04:15 AM ) Total Marks: 1
The 4-variable Karnaugh Map (K-Map) has _______ cells for min or max terms
Select correct option:

4

8

12

16

Question # 10 of 10 ( Start time: 12:05:44 AM ) Total Marks: 1
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

Question # 1 of 10 ( Start time: 07:49:22 PM ) Total Marks: 1
Which one is true
Select correct option:

Power consumption of TTL is higher than CMOS

Power consumption of CMOS is higher than TTL

Both TTL and CMOS have same power consumption

Power consumption of both CMOS and TTL depends on no. of gates in circuit.

Question # 2 of 10 ( Start time: 07:49:45 PM ) Total Marks: 1
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

Question # 4 of 10 ( Start time: 07:50:59 PM ) Total Marks: 1
Don’t care conditions are marked as ___________ in the output column of the function table
Select correct option:

0

1

X

None of the given options

Question # 6 of 10 ( Start time: 07:52:33 PM ) Total Marks: 1
A + B = B + A is __________
Select correct option:

Demorgan’s Law

Distributive Law

Commutative Law

Associative Law

Question # 7 of 10 ( Start time: 07:53:11 PM ) Total Marks: 1
the boolean expression AB'CD'is
Select correct option:

a sumterm

a product term

a literal term

always 1

Question # 10 of 10 ( Start time: 07:55:41 PM ) Total Marks: 1
the boolean expression A + B' + C is
Select correct option:

a sum term

a literal term

a product term

a complemented term

Question # 1 of 10 ( Start time: 09:22:18 PM ) Total Marks: 1
The complement of a variable is always
Select correct option:
0
1
equal to the variable
the inverse of the variable

Question # 2 of 10 ( Start time: 09:23:12 PM ) Total Marks: 1
“74ALS” stands for __________
Select correct option:
Advanced Low-frequency Schottky TTL
Advanced Low-dissipation Schottky TTL
Advanced Low-Power Schottky TTL
Advanced Low-propagation Schottky TTL

Question # 3 of 10 ( Start time: 09:24:25 PM ) Total Marks: 1
TTL based devices work with a dc supply of ____ Volts
Select correct option:
+10
+5
+3
3.3

Question # 4 of 10 ( Start time: 09:25:01 PM ) Total Marks: 1
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

Question # 5 of 10 ( Start time: 09:25:48 PM ) Total Marks: 1
3.3 v CMOS series is characterized by __________ and _________as compared to the 5 v CMOS series.
Select correct option:
Low switching speeds, high power dissipation
Fast switching speeds, high power dissipation
Fast switching speeds, very low power dissipation
Low switching speeds, very low power dissipation

Question # 7 of 10 ( Start time: 09:28:11 PM ) Total Marks: 1
A product term is 0 when_______________.
Select correct option:
Any one literal is a 0
Any of the literals is 1
At least two literals are 1
All the literals are 1

Question # 8 of 10 ( Start time: 09:28:33 PM ) Total Marks: 1
The boolean expression X = AB + CD represents
Select correct option:
two ORs ANDed together
a 4-input AND gate
two ANDs ORed together
an exclusive-Or

Question # 9 of 10 ( Start time: 09:29:00 PM ) Total Marks: 1
_________ is the example of Commutative Law for Multiplication
Select correct option:
AB=BA
A+B=B+A
AB+C = A+BC
A(B+C) = B(A+C)

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