Thursday, 23 August 2012

IT MCQs

Questions for IT Quiz


QUESTIONS FOR IT QUIZ




The central processing unit (CPU) consists of
a. Input, output and processing
b. Control unit, primary storage, and secondary storage
c. Control unit, arithmetic-logic unit
d. Control unit, processing, and primary storage

A/an …. Device is any device that provides information, which is sent to the  CPU.
a. Input                                            
b. Output
c. CPU                                                      
d. Memory

A computer consists of
a. A central processing unit                  
b. A memory
c. Input and output unit                               
d. All of the above

Which part of the computer is used for calculating and comparing?
a. Disk unit                                        
b. Control unit
c. ALU                                                      
d. Modem

To produce high quality graphics (hardcopy) in color, you would want to use a/an
a. RGB monitors                                 
b. Plotter
c. Ink-jet printer                                
d. Laser printer

As compared to the secondary memory, the primary memory of a computer is
a. Large                                            
b. Cheap
c. Fast                                              
d. Slow

Which of the following memories has the shortest access times?
a. Cache memory                                       
b. Magnetic bubble memory
c. Magnetic core memory                            
d. RAM

What type of device is computer keyboard?
a. Memory                                        
b. Output
c. Storage                                         
d. Input

Another word for a daisy wheel printer
a. Petal printer                                   
b. Golf ball printer
c. Laser printer                                  
d. Line printer

Which of the following items are examples of storage devices?
a. Floppy / hard disks                          
b. CD-ROMs
c. Tape devices                                  
d. All of the above

A group of magnetic tapes, videos or terminals usually under the control of one master is
a. Cylinder                                        
b. Surface
c. Track                                            
d. Cluster

A disadvantage of the laser printer is:
a. It is quieter than an impact printer            
b. It is very slow
c. The output is of a lower quality         
d. None of above

The output quality of a printer is measured by
a. Dot per inch                                   
b. Dot per sq. inch
c. Dots printed per unit time                 
d. All of above

Dot-matrix is a type of
a. Tape                                             
b. Printer
c. Disk                                              
d. Bus

Daisy wheel printer is a type of
a. Matrix printer                                 
b. Impact printer
c. Laser printer                                  
d. Manual printer

The memory which is programmed at the time it is manufactured
a. ROM                                             
b. RAM
c. PROM                                            
d. EPROM

Input, and output (I/O) devices are collectively known as
1.   function unit
2.   bit-pattern
3.   peripherals
4.   none of the above

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Vaccum Tubes were used in:
  1)   First Generation
  2)   Second Generation
  3)   Third Generation
  4)   Fourth Generation

RAM stands for:
a)    Removable achieve memory
b)    Random access memory
c)    Read access memory
d)    None of these


Floppy disk is a/an:
1)    Input device
2)    Output device
3)    Secondary storage device
4)    None of these


The unit of computer system  that interprets instructions and executes them is called
1)      Keyboard
2)      Mouse
3)      Processor
4)      Memory


PROM stands for:
a) Programmable read out memory
b) programmable remove only memory
c) Programmable read only memory
d) None of these

Control unit is a part of:
1)    Input unit
2)    Output Unit
3)    CPU
4)    ALU


LED stands for:
1)    Light emission disk
2)    Low emission diode
3)    Light emitting diode
4)    None of these


What type of devices are computer speakers or headphones?
1)      Input Devices
2)      Storage Devices
3)      Output Devices
4)      Processing devices

The resolution of a printer is measured in:
1)      Dots per inch
2)      Dots
3)      Inches
4)      Pixels

What kind of computer memory is both static and nonvolatile?
1)    ROM
2)    RAM
3)    Cache memory
4)    None of these

What is meant by the term RAM?         
(A) Memory which can only be read
(B) Memory which can be both read and written to
(C) Memory which is used for permanent storage
(D) Memory which can only be written to
(E) None of these

The name for the way that computers manipulate data into information
is called 
(A) programming
(B) processing
(C) storing   
(D) organizing
(E) None of these

__ is data that has been organized or presented in a meaningful fashion.
(A) A process 
(B) Software
(C) Storage  
(D) Information


After a picture has been taken with a digital camera and processed
appropriately, the actual print of the picture is considered  
(A) data  
(B) output
(C) input  
(D) the process
(E) None of these


When you are working on a document on PC, where is the document
temporarily stored?
1) RAM
2) ROM
3) The CPU
5) The CD-Rom

Transformation of input into output is performed by?
1) Peripherals
2) Memory
3) The Input-Output unit
4) The CPU

Storage that retains its data after the power is tuned off is
referred to as
1) volatile storage
2) non-volatile storage
3) sequential storage
4) direct storage


This component is required to process data into information and
consists of integrated circuits.
1) Hard disk
2) RAM
3) CPU
4) ROM


What is output ?
1) What the processor takes from the user
2) What the user gives to the processor
3) What the processor gets from the user
4) What the processor gives to the user


Which of the following storage media provides sequential access only ?
1) Floppy disk
2) Magnetic tape  
3) Optical disk
4) None of these


This type of memory improves processing by acting as a temporary high
- speed holding area between the memory and the CPU.
1) RAM  
2) ROM
3) Cache memory  
4) Virtual memory

Holding the mouse button down while moving an object or text is known
as :
1) Moving  
2) Dragging
3) Dropping  
4) Highlighting
5) None of these


QWERTY is used with reference to :
1) Monitor  
2) Printer
3) Keyboard  
4) Mouse
5) None of these


What is the main difference between a mainframe and a super computer ?
1) Super computer is much larger than mainframe computers
2) Super computers are much smaller than mainframe computers
3) Supercomputers are focused to execute few programs as fast as
possible while mainframe uses its power to execute as many programs
concurrently
4) Supercomputers are focused to execute as many programs as possible
while mainframe uses its power to execute few programs as fast as possible



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2 comments:

Mayurmit said...

links doesnt exists u have to do something

Realm Head said...

yea, there was some problem with the blog.

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