Computer Science MCQs with Answer (part 3) by General knowledge Solutions

Computer Science MCQs with Answer (part 3)  by General knowledge Solutions

                                                             

1.Main memory is

(A) Random Access Memory  ANSWER: (A)

(B) Read only Memory

(C) Serial Access Memory

(D) Read Access Memory

(E) None of these 

2. Program is

(A) a series of actions proposed in order to achieve a certain result

(B) loosely, a routine

(C) to design, write and test a program

(D) loosely, to write a routine

(E) None of these ANSWER: (E)

 3. In MS-Access, a table can have ____ primary key / keys

(A) One  ANSWER: (A)

(B) Two

(C) Three

(D) Four

(E) None of these 

 4. As compared to the secondary memory, the primary memory of a computer is

(A) Large

(B) Cheap

(C) Fast    ANSWER: (C)

(D) Slow

(E) None of these

 5. Computer memory

(A) performs all calculations

(B) receives input data   ANSWER: (B)

(C) is extremely limited

(D) is better than human memory

(E) None of these 

6. Multiprocessor is a computer system

(A) Where many CPU under a common control  ANSWER: (A)

(B) Consisting of more than one input devices under common control.

(C) Where many output devices under common control.

(D) All of the above

 (E) None of these 

7. RSA is—

(A) Symmetric Cryptosystem

(B) Asymmetric Cryptosystem

(C) Block Cypher

(D) Digital Signature   Answer (D)

(E) None of these

8. A DVD-RAM is similar to a………………except it has storage capacities up to 5.2 GB.

(A) CD-R

(B) floppy disk

(C) CD-RW   Answer (C)

(D) hard disk

(E) None of these

9. When you are selecting a mouse for a particular computer system, what is the most important consideration?

(A) The type of drivers that come with the mouse

(B) The length of the mouse cord

(C) The type of connector the mouse is equipped with    Answer (C)

(D) The number of buttons the mouse has

(E) None of these

 7. (4) 8. (3) 9. (3) 10. (4) 11. (2)  

10. How is power supplied to a low-power USB device?

(A) Through a power cable

(B) From an external power supply

(C) Directly from the computer's power supply

(D) Through the USB cable   Answer (D)

(E) None of these

11. All of the following are basic principles of net works,except—

(A) each computer must have a network card

(B) there must be communications media connecting the network hardware devices   

Answer (B)

(C) there must be at least one connecting device

(D) each computer must have software that supports the movement of information

(E) None of these

 12. The………….data mining technique derives rules from real-world case examples.

(A) Rule discover

(B) Signal processing

(C) Neural nets  Answer (C)

(D) Case-based reasoning

(E) None of these

13. …………….are used to identify a user who returns to a Website.

(A) Cookies Answer (A)

(B) Plug-ins

(C) Scripts

(D) ASPs

(E) None of these

 14. Which one of the following objects is passed to a Java Bean when one of its properties is set via a JSP action?

(A) Servlet Request

(B) Http Servlet Request

(C) Servlet Response  Answer (C)

(D) Http Servlet Response

(E) None of these

15. _ _ _ _ _ _ _ _ _ translates and executes program at run time line by line

A) Compiler

B) Interpreter  Answer (B)

C) Linker

D) Loader

E) None

 16. _ _ _ _ _ _ _ _ is an OOP principle

A) Structured programming Answer (A)

B) Procedural programming

C) Inheritance

D) Linking

E) None

17. COBOL is widely used in _ _ _ _ _ _ _ applications

 A) Commercial

B) Scientific

C) Space

D) Mathematical   Answer (C)

 E) None

18. RAM stands for

A) Random origin money  

B) Random only memory

C) Read only memory

D) Random access memory  Answer (D)

E) None

19. 1 Byte = ?

A) 8 bits  Answer (A)

B) 4 bits

C) 2 bits  

D) 9 bits

E) None

 20. SMPS stands for

 A) Switched mode power supply   Answer (A)

B) Start mode power supply

C) Store mode power supply

D) Single mode power supply

 E) None

21. The device used to carry digital data on analog lines is called as

A) Modem

B) Multiplexer

C) Modulator   Answer (C)

D) Demodulator

E) None

22. VDU is also called

 A) Screen

 B) Monitor

 C) Both 1 & 2   Answer (C)

 D) printer

 E) None

23. BIOS stands for

A) Basic Input Output system  Answer (A)

B) Binary Input output system

C) Basic Input Off system

D) all the above

E) None

24. Father of ‘C’ programming language

  A) Dennis Ritchie

  B) Prof Jhon Kemeny

  C) Thomas Kurtz

  D) Bill Gates   Answer (C)

  E) None

25. The 16 bit Microprocessor means that it has

A) 16 address lines    Answer (A)

B) 16 Buses

C) 16 Data lines

D) 16 routes

E) None

26. Data going into the computer is called

 A) Output

 B) algorithm

 C) Input   Answer  (C)

 D) Calculations

 E) flow chart

27. Which of the following refers to a small, single-site network?

A) LAN

B) DSL

C) RAM

D) USB  Answer (D)

E) CPU

28. Microsoft Office is

A) Shareware    Answer (A)

B)Public domain software

C) Open-sourse software

D) A vertical market application

E) An application suite

29. How many options does a BINARY choice offer

A) None

B) One

C) Two  Answer (C)

D) it depends on the amount of memory on the computer

E) It depends on the speed of the computer’s processor

30. A collection of program that controls how your computer system runs and processes information is called

A) Operating System

B) Computer

C) Office

D) Compiler Answer (D)

E) Interpreter

31. Computer connected to a LAN (Local Area Network) can

A) run faster

B) go on line

C) share information and /or share peripheral equipment: Answer (C)

D) E-mail

E) None

 32. Information travels between components on the mother board through

 A) Flash memory

 B) CMOS

 C) Bays

 D) Busesn  Answer (D)

 E) Peripherals

 33. How are data organized in a spreadsheet?

A) Lines & spaces

B) Layers & Planes

C) Height & Width

D) Rows & Columns Answer (D)

E) None

34. The blinking symbol on the computer screen is called the

A) mouse

B) logo

C) hand

D) palm

E) cursor : Answer (E)