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COMPUTER SCIENCE PEOPLE

 

1. All keywords in C are in 

LowerCase letters

UpperCase letters

CamelCase letters

None

Answer: LowerCase letters

 

2. What is the size of an int data type? 

8 Bytes

Depends on the system/compiler

all of the above

none

Answer: Depends on the system/compiler

 

3. If a function is friend of a class, which one of the following is wrong? 

A function can only be declared a friend by a class itself.

Friend functions are not members of a class, they are associated with it.

Friend functions are members of a class.

It can have access to all members of the class, even private ones.

Answer: Friend functions are members of a class.

 

4. Java uses threads to enable the entire environment to be ______. 

Symmetric

Asymmetric

Synchronous

Asynchronous

Answer: Asynchronous

 

5. A DBMS query language is designed to 

Support end users who use English-like commands

Support in the development of complex applications software

Specify the structure of a database.

All of the above.

Answer: All of the above.

 

6. SET concept is used in : 

Network Model

Hierarchical Model

Relational Model

None of these

Answer: Network Model

 

7. A system has 3 processes sharing 4 resources. If each process needs a maximum of 2 units, then 

deadlock can never occur

deadlock may occur

deadlock has to occur

none of these

Answer: deadlock can never occur

 

8. In networking terminology UTP means 

Unshielded Twisted pair

Ubiquitious Teflon port

Uniformly Terminating port

Unshielded T-connector port

 Answer: Unshielded Twisted pair

 

9. Thick coax have maximum segment of 

500 m

200 m

100 m

700 m

 Answer: 500 m

 

10. Data mining is 

The stage of selecting the right data for a KDD process

A subject-oriented integrated time variant non-volatile collection of data in support of management

The actual discovery phase of a knowledge discovery process

None of these

Answer: The actual discovery phase of a knowledge discovery process

 

11. Back face removal is an example of 

object space method

image space method

combination of both

none of the above

Answer: object space method

 

12. A definition or a concept is------------- if it classifies any examples as coming within the concept 

Complete

Consistent

Constant

None of these

Answer: Constant

 

13. What is the minimum number of two-input NAND gates used to perform the function of two input OR gate ? 

one

two

three

four

Answer: three

 

14. Which of the following gates are added to the inputs of the OR gate to convert it to the NAND gate 

NOT

AND

OR

XOR

Answer:  NOT

 

15. The graph that shows basic blocks and their successor relationship is called 

DAG

Flow graph

control graph

Hamiltonion graph

Answer: Flow graph

 

16. Which of the following features of UNIX may be used for inter process communication? 

Signals

Pipes

Semaphore

All of these

Answer: All of these

 

17. Writing a C program that accepts input from keyboard, rather than from a file is advantageous because 

Keyboard is a file that is already open

It can be used in a pipe, if it writes to stdout

Both (a) and (b)

None of the above

Answer: Both (a) and (b)

 

18. Which of the following are procedural languages? 

Pascal

Smalltalk

C

Both(a) and (c)

Answer: Both(a) and (c)

 

19. Overloading is otherwise called as 

virtual polymorphism

transient polymorphism

pseudo polymorphism

ad-hoc polymorphism

Answer: ad-hoc polymorphism

 

20. Data warehouse is 

The actual discovery phase of a knowledge discovery process

The stage of selecting the right data for a KDD process

A subject-oriented integrated time variant non-volatile collection of data in support of management

None of these

Answer: A subject-oriented integrated time variant non-volatile collection of data in support of management

 

21. An Autoresponder is a_______on mail server that automatically replies to e-mails? 

command

Software

Program

None of these

Answer: Program

 

22. The software used to drive microprocessor-based systems is called: 

Aassembly language programs

Firmware

BASIC interpreter instructions

Flowchart instructions

Answer: Aassembly language programs

 

23. The data in the stack is called 

pushing data

pushed

pulling

none of the above

 Answer: pushing data

 

24. Cascading termination refers to termination of all child processes before the parent terminates 

normally

abnormally

normally or abnormally

none of these

Answer: normally or abnormally

 

25. Choose the correct statements 

All The elements of the array should be of the same data type and storage class

The number of subscripts determines the dimension of the array

The array elements need not be of the same storage class

In an array definition. the subscript can be any expression yielding a non-zero integer value

Answer: The number of subscripts determines the dimension of the array