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Saturday, July 5, 2014

Multiple choice questions on Computer

1) Infrared signals can be used for short range communication in a closed area using _______propagation.
A) ground
B) sky
C) line of sight
D) space

2)A bridge has access to address in the same network.
A) Physical
B) Network
C) Data Link
D) Application

3) The minimum frame length for 10 Mbps Ethernet is _______ bytes and maximum is ______bytes
A) 64 & 128
B) 128 & 1518
C) 1518 & 3036
D) 64 & 1518

4) The bit rate of a signal is 3000 bps .If each signal unit carries 6 bits ,the baud rate of the signal is_____.
A) 500 baud/sec
B) 1000 baud/sec
C) 3000 baud/sec
D) 18000 baud/sec

5) KPA in CMM stands for
A) Key Process Area
B) Key Product Area
C) Key Principal Area
D) Key Performance Area

6) In function point analysis the number of complexity adjustment factors is
A) 10
B) 12
C) 14
D) 20

7) A shift reduce parser suffers from
A) shift reduce conflict only
B) reduce reduce conflict only
C) both shift reduce conflict and reduce reduce conflict
D) shift handle and reduce handle conflicts

8) How many different truth tables of the compound propositions are there that involve the propositions p & q?
A) 2
B) 4
C) 8
D) 16

9) While (87) printf("computer");
A) print "computer" 87 times
B) print "computer" 0 times
C) print "computer" 1 times
D) print "computer" infinite times

10) Manager salary details are hidden from the employee . This is called
A) Conceptual level data hiding
B) Physical level data hiding
C) External level data hiding
D) Local level data hiding

11)Which of the following is the correct value returned to the operating system upon the successful completion of a program?
A) 0
B) 1
C) -1
D) Program do not return value

12)A clustering index is created when ______.
A) primary key is declared and ordered
B) no key ordered
C) foreign key ordered
D) there is no key and no order

13)A friend function can be used to
A) avoid arguments between classes
B) allow access to classes whose source code is unavailable
C) allow one class to access an unrelated class
D) None of the above

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