Q.1
The number of control lines for a 8 – to – 1 multiplexer is
(A)
2
(B)
3
(C)
4
(D)
5
Q.2
The digital logic family which has minimum power dissipation is
(A)
TTL
(B)
RTL
(C)
DTL
(D)
CMOS
Q.3
Data can be changed from special code to temporal code by using
(A)
Shift registers
(B)
Counters
(C)
Combinational circuits
(D)
A/D converters.
Q.4
A ring counter consisting of five Flip-Flops will have
(A)
5 states
(B)
10 states
(C)
32 states
(D)
Infinite states.
Q.5 The
speed of conversion is maximum in
(A)
Successive-approximation A/D converter.
(B)
Parallel-comparative A/D converter.
(C)
Counter ramp A/D converter.
(D)
Dual-slope A/D converter.
Q.6 Which
of the following is the fastest logic:
(A)
TTL
(B)
ECL
(C)
CMOS
(D)
LSI
Q.7 The
excess 3 code of decimal number 26 is:
(A)
0100 1001
(B)
01011001
(C)
1000 1001
(D)
01001101
Q.8
How many AND gates are required to realize Y = CD+EF+G, Find
(A)
4
(B)
5
(C)
3
(D)
2
Q.9
How many select lines will a 16 to 1 multiplexer will have required
(A)
4
(B)
3
(C)
5
(D)
1
Q.10
How many flip flops are required to construct a decade counter
(A)
10
(B)
3
(C)
4
(D)
2
Q.11
Which TTL logic gate is used for wired ANDing.
(A)
Open collector output
(B)
Totem Pole
(C)
Tri state output
(D)
ECL gates
Q.12
CMOS circuits power consumption is.
(A)
Equal to TTL
(B)
Less than TTL
(C)
Twice of TTL
(D)
Thrice of TTL
Q.13.
Capability Maturity Model is meant for:
A)
Product
B)
Process
C)
Product and process
D)
None of the above
Q.14 Interrupts
which are initiated by an instruction are
(A)
Internal
(B)
External
(C)
Hardware
(D)
Software
Q.15
printf(“%c”, 101);
(A)
prints 100
(B)
prints ASCII equivalent of 101
(C)
prints garbage
(D)
none of the above
Q.16
Reliability of software is directly dependent on
(A)
Quality of the design
(B)
Number of errors present
(C)
Software engineers experience
(D)
User requirement
Q.17
To represent hierarchical relationship between elements, which data structure
is suitable
(A)
Dequeue
(B)
Priority
(C)
Tree
(D)
All of the above
Q.18
Validation means:
(A)
Are we building the product right
(B)
Are we building the right product
(C)
Verification of fields
(D)
None of the above
Q.19
Decryption and encryption of data are the responsibility of which of the
following layer ?
(A)
Physical layer
(B)
Data Link layer
(C)
Presentation layer
(D)
Session layer
Q.20
Resources are allocated to the process on non-sharable basis is
(A)
Mutual exclusion
(B)
Hold and wait
(C)
No-preemption
(D)
Circular wait
Q.
21 An example of a layer that is absent in broadcast networks is:
(A)
Physical layer
(B)
Presentation layer
(C)
Network layer
(D)
Application layer
Q.22
Congestion control is done by:
(A)
Network layer
(B)
Physical layer
(C)
Presentation layer
(D)
Application layer
Q.23 An
example of a distributed OS is:
(A
)Amoeba
(B)
UNIX
(C)
MS – DOS
(D)
MULTICS
Q.24
A COCOMO model is used for:
(A)
Product quality estimation
(B)
Product complexity estimation
(C)
Product cost estimation
(D)
All of the above
Q.25
Which is a special method used to initialize the instance variable of a class.
(A)
Member function
(B)
Destructor
(C)
Constructor
(D)
Virtual Function
Q.26.
Encapsulation means:
(A)
Dynamic binding
(B)
A mechanism to associate the code and data
(C)
Data abstraction
(D)
Creating new class
Q.27
Specialization is ________________process.
(A)
top-down
(B)
bottom up
(C)
both (A) and (B)
(D)
none of these
Q.28
How many Flip-Flops are required for mod–16 counter?
(A)
5
(B)
6
(C)
3
(D)
4
Answersheet:-
Q.1
(B)
Q.2
(D)
Q.3
(A)
Q.4
(A)
Q.5
(B)
Q.6
(B)
Q.7
(B)
Q.8
(D)
Q.9
(A)
Q.10
(C)
Q.11
(A)
Q.12
(B)
Q.13
(B)
Q.14
(D)
Q.15
(B)
Q.16
(B)
Q.17
(C)
Q.18
(B)
Q.19
(C)
Q.20
(A)
Q.21
(C)
Q.22
(A)
Q.23
(A)
Q.24
(C)
Q.25
(C)
Q.26
(B)
Q.27
(A)
Q.28
(D)
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