Model Exam Questions 26 - 50

26. Why there are no global variables in Java?
a) Because it doesnt allow platform independency.
b)Global variables creates collisions in namespace.
c)Global variables dont allow program flexibility
d)None of these

27. What is the output of this java program?

    class bitwise_operator 
  {
        public static void main(String args[])
        {
            int var1 = 42;
            int var2 = ~var1;
            System.out.print(var1 + " " + var2);        
        } 
    }

a) 42 42
b) 43 43
c) 42 -43
d) 42 43

28. Which of these is a super class of wrappers Double & Integer?
a) Long
b) Digits
c) Float
d) Number

29. Which of these access specifiers can be used for an interface?
a) Public
b) Protected
c) private
d) All of the mentioned

30. Which of these method of class String is used to compare two String objects for their equality?
a) equals()
b) Equals()
c) isequal()
d) Isequal()

31. Which of the following, in C++, is inherited in a derived class from base class ?
a) constructor
b) destructor
c) data members
d) virtual methods

32.In 8086 microprocessor the following has the highest priority among all type interrupts.

a) NMI

b) DIV 0

c) TYPE 255

d) OVER FLOW

33. Address line for TRAP is?

a) 0023H

b) 0024H

c) 0033H

d) None of these

34. First Microprocessor in the world is

a) Intel 8085

b) intel 4004

c) Intel 8086

d) AMD Athlon

35.The advantage of memory mapped I/O over I/O mapped I/O is,

a) Faster

b) Many instructions supporting memory mapped I/O

c) Require a bigger address decoder

d) All the above

36. The operation which is commutative but not associative
a) AND
b) OR
c) XOR
d) NAND

37. The digital multiplexer is basically a combination logic circuit to perform the operation
a) AND - AND
b) OR - OR
c) AND - OR
d) OR – AND

38. KPA in CMM stands for
a) Key Process Area
b) Key Product Area
c) Key Principal Area
d) Key Performance Area

39. Which one of the following is not a key process area in CMM level 5 ?
a) Defect prevention
b) Process change management
c) Software product engineering
d) Technology change management

40. The maturity levels used to measure a process are
a) Initial, Repeatable, Defined, Managed, Optimized.
b) Primary, Secondary, Defined,Managed, Optimized.
c) Initial, Stating, Defined, Managed, Optimized.
d) None of the above

41. Capability Maturity Model is meant for:
a) Product
b) Process
c) Product and process
d) None of the above

42. A measure that defines the level of inter-dependability among modules of a program.
a) Coupling

b) Cohesion

c) Modularity

d) None of these

43. ” Are we building the right product? “ Is concerned with

a) Verification

b) Validation

c) Testing

d) None of these

44.Component of the system that applies logical rules to the knowledge base to deduce new information.

a) Inference engine

b) Data Analytics

c) Heuristics

d) None of these

45.Who invented the first digitally operated and a programmable robot called the Unimate.

a) David Hanson

b) George Devol

c) Joseph Engelberger

d) Mark Tilden

46. Speed of fastest super computer in the world

a) 93,014.6 Yflop/s

b) 93,014.6 Pflop/s

c) 93,014.6 Gflop/s

d) 93,014.6 Tflop/s

47. Who coined the term "Li-Fi" ?

a) James Gosling

b) Mark Tilden

c) David Hanson

d) Harald Haas

48. The terms SaaS, PaaS and Iaas related to

a) Grid computing

b) Cluster computing

c) Cloud computing

d) Distributed Computing

49.To check the presence of a computer in the network, use the command:
a) ping

b) cmd
c) check

d) ipconfig
50. Which logic family is fastest?
a) DTL

b) TTL
c) ECL

d) CMOS 

 Model Exam Questions 51 - 75