Computer Knowledge MCQs (50 - Qizes)

1-Full form of TCP is:

A.     Transmission Control Protocol

B.     Total Control Protocol

C.     Transmission Control Program

D.     Totaling Control Program

E.     None of these

 2-__ provides a common address space and routes the packets of data across the entire internet?

A.     IP                               

B.     TCP

C.     UDP                          

D.     ALU

E.     None of these

3-    Cyberspace is being governed by a system of law and regulation called?

A.     Civil Law                   

B.     Criminal Law

C.     Electronic Law                      

D.     Cyber Law

E.     Cyber Authority

4-    To move to the beginning of a line of text, press __key?

A.     Home                          

B.     Ctrl

C.     Space                         

D.     Enter

E.     None of these

5-    What menu is selected to change the font and style?

A.     Tools                           

B.     File

C.     Format                        

D.     Edit

E.     None of these

6-    The process of starting the computer and loading of operating system programs for execution is known as

A.     initialization                

B.     retrieving

C.     loading                                   

D.     searching

E.     booting

 7-    Primary memory is used by the:

A.     user                           

B.     input device

C.     CPU                          

D.     all of these

E.     None of these

8-    In a disk, each block of data is written into

A.      one sector                 

B.      three sector

C.      Two sectors              

D.      Two or more sectors

E.      either two or three sectors:

9-    The Pentium processor contains-

A.      tens of thousands of transistors

B.      hundred thousands of transistors

C.      thousands of transistors

D.      several millions of transistors

E.      hundred transistors

10- __ was the precursor to internet as we know it today?

A.      ARPANET                

B.      USENET

C.      TELNET                                

D.      DBMS

E.      None of these

11- Which of the following is not an operating system?

A.      DOS                          

B.      Oracle

C.      Linux                         

D.      Windows

E.       None of these

12 - In word, what combination of keys do you press to delete an entire word?

A.      Ctrl + del                   

B.      Alt + del

C.      Shift + Backspace    

D.      Shift + Alt + del

E.      None of these

 
13-   Hardware that adds two numbers is:

A.      the control unit          

B.      an internal CPU register

C.      arithmetic Logic Unit 

D.      Browser

14-   A small amount of memory included in the processor for high speed access id called-

A.      Register                     

B.      Cache

C.      RAM                          

D.      ROM

E.      None of these

15- A byte represents a group of:

A.      10 bits                      

B.       40 bits

C.       16 bits                        

D.       18 bits

E.       8 bits

16.An impact  printer  creates characters by using...? 
(1) An inked ribbon and print head
(2) Electrically charged ink
(3) An ink pen
(4) All of the above
(5) None of these

17- What do you need for an ink jet printer? 
(1) A drum 
(2) A cartridge
(3) A ribbon
(4) All of the above
(5) None of these

18- A laser printer does NOT use? 
(1) A photoconductive drum
(2) A print head
(3) A laser beam
(4) All of the above
(5) None of these

19-  The amount of data that a disk may containis known as the disk's...?
(1) Volume 
(2) Size
(3) All of the above
(4) Storage capacity
(5) None of these

20-  You can protect a floppy disk.
(1) Read 
(2) Read and Write
(3) Write
(4) All of the above
(5) None of these

21- Magnetic tape is a..?
(1) Random access medium
(2) A parallel access medium
(3) Serial access medium
(4) All of the above
(5) None of these

22- Hard disks can have a storage capacity in the region of...? 
(1) 1Gb 
(2) 1.44Mb
(3) 720K
(4) All of the above
(5) None of these

23. Which storage device has the largest capacity in Mb's? 
(1) A floppy disk
(2) A CD-ROM
(3) Magnetic tape storage
(4) All of the above
(5) None of these

24. Which storage device cannot be erased?
(1) A CD-ROM
(2) None of these
(3) Magnetic tape storage
(4) All of the above-
(5) A floppy disk

25- Which one of the following is not an internal DOS command?

A.      BACKUP

B.      COPY

C.      CLS

D.      BREAK

E.      None of these

26- This part of operating system manages the essential peripherals, such as the keyboard, screen , disk drives, and parallel and serial ports_____

A.      basic input/output system 

B.      secondary input/output system

C.      peripheral input/output system

D.       marginal input/output system 

E.       None of these

     27- Which of the following statements in regard to directories is false?

A.      Directories with files can be deleted

B.      Directories cannot be renamed

C.      The root directory is always at the highest level

D.      Directories can exist inside directories

E.      None of the above

28- When a key is pressed on the keyboard, which standard is used for converting the keystroke into the corresponding bits?

A.      ANSI

B.      ASCII

C.      EBCDIC

D.      ISO

E.      None of these

29- A hexadigit can be represented by

A.      three binary (consecutive) bits

B.      four binary (consecutive) bits

C.      eight binary (consecutive) bits

D.      sixteen binary (consecutive) bits

E.      None of the above

30- The product of two binary numbers (1011) and        (1001) is

A.     1100011

B.     1010100

C.     1011001

D.     100110

E.     None of these

      31- Resolution of laser printer is specified in terms of

A.     DPI

B.     LPM

C.     CPM

D.     PPM

E.     None of these

32- The OCR is used for the preparation of

A.     electricity bills

B.     insurance premium

C.     telephone bills

D.     All of these

E.     None of these

3    33- An E-R diagram is a graphic method of presenting

A.     primary keys and their relationships

B.     primary keys and their relationships to instances

C.     entity classes and their relationships

D.     entity classes and their relationships to primary keys

E.     None of the above

      34- The combination of the operating system and the processor is referred to as the computer’s :

A.     CPU  

B.     Platform

C.     BIOS  

D.     CMOS 

E.     None of these

       35- The function of Key F4 is

A.     Delete  

B.     Repeat last function

C.     Refresh  

D.     Copy 

E.     None of these

36-  The ______ allows you to choose where to go and is located below the standards buttons toolbar.

A.      system menu 

B.      Address bar

C.      Menu bar 

D.      Task bar

E.      None of these

        37-  What is a ‘tuple’?

A.      another name for a table in an RDBMS.

B.      Another name for the key linking different tables in a database.

C.      Initial seed value of field.

D.      A row or record in a database table.

E.      An attribute attached to a record.

38-  A spooler is a(n):

A.      location in memory that maintains the contents of a document until it prints out

B.      Print job

C.      Program that coordinates the print jobs that are waiting to print

D.      Message sent from the printer to the operating system when a print job is completed

E.      None of these

 39- The process ___ involves automated study of consumer buying patterns in order to support marketing, inventory replenishment and pricing decisions.

A.      transaction processing 

B.      Data mining

C.      Simulation      

D.      information processing

E.      None of these

40- Extension name of flash file is ___.
1) .pdf
2) .swf
3) .pmd
4) .prd
5) None of these

41- Who invented world wide web?
1) Mosaic corporation
2) Opera corporation
3) Tim berner lee
4) Vint cert
5) None of these

42- A thing present in real world in physical form is called____.
1) DBMS
2) Entity
3) Modulation
4) Keywords
5) None of these

43- A program that generally has more user-friendly interface than a DBMS is called a ____?
(1) front end
(2) repository
(3) back end
(4) form 
(5) None of these

44-  Programming language built into user programs such as Word and Excel are known as____?
(1) 4GLs  
(2) macro languages
(3) object-oriented languages 
(4) visual programming languages
(5) None of these

45- In MS Word Key F12 opens ____?
(1) Save dialog box  
(2) print dialog box 
(3) New dialog box   
(4) Save as dialog  
(5) none

46-  What is gutter margin?
(1) Margin that is added to the left margin when printing
(2) Margin that is added to right margin when printing
(3) Margin that is added to the binding side of page when printing
(4) Margin that is added to the outside of the page when printing
(5) None of these

47- If you want to extend the length of the network without having the signal degrade, you would use a:
a) repeater
b) router
c) gateway
d) switch
e) None of these

48-  What do you press to enter the current date in a cell?
a) CTRL + ; (semicolon)
b) CTRL + SHIFT + : (colon)
c) CTRL + F10
d) CTRL + F11
e) None of these

49-  Who is the father of Internet?
a) Charles Babbage
b) Vint Cerf
c) Denis Riche
d) Martin Cooper
e) None of these

50- Technology used to provide internet by transmitting data over wires of telephone network is __
a) Transmitter
b) Diodes
c) HHL
d) DSL
e) None of these

     BY- AKASH SRIVASTAVA