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Basic Computer Awareness & Fundamentals of Computer- Kerala Psc Thulasi




Basic Computer Awareness & Fundamentals of Computer for LDC Examinations

Computer is an 
  • electronic machine 
  • It process the data according to the set of instructions that are stored internally/ given by user.
  • The computer along its attached devices is called Hardware.
  • A Set of Instructions that tell the computer to perform a particular task is called a program. or a software
  • The instructions in the program direct the computer to receive the input, process it and produce the output.

 Similarities Between Human Brain and Computer Brain

Human Brain

Human Brain 


Computer Brain

 

·    Receives information through nervous system from different parts of body.
·    Receives information through the input peripherals.
·    Brain works with the information.
·    CPU works with the information
·  Brain directs      the signal to        other part to      respond to the    corresponding    information.Eg: Mouse, Keyboard, Scanner etc
· The  CPU           transmit the       output data       through output   media. Eg: Monitor, Printer etc.




Check  out the regularly asked questions in Competitive exams like SSC, RRB, Kerala PSC, UPSC, IBPS etc. The basics of computer includes not only the fundamental concept about the software and hardware components but also the latest the programming languages like C, C++, Python, SQL, JavaScript etc. This article is useful for the Staff Selection examinations, Kerala PSC examinations, even useful for higher secondary students to take a quick view in their examination. We have prepared a set of 50 questions as the primary set of questions. Further updates will be coming soon with more complex questionnaire. 







Which of the following is permanent memory?

    1.SRAM      
    2.DRAM            
    3.ROM              
    4.All of these
   
 Ans : ROM

  _____ are lists of commands that appear on the screen.

  1.GUIa               
  2.Icons               
  3.menus           
  4.Windows      
  5.None of these

Ans : Menus

   The horizontal and vertical lines on a worksheet are called ________.
  1.Cells                
  2.sheets            
  3.block lines    
  4. Gridlines        
  5.None of these

Ans : Grid lines


Physical structure of computer is called
  1.Software       
  2.Hardware     
  3. Humanware  
  4.All of these  
  5.None of these

Ans : Hardware


In which type of computer, data are represented as discrete signals?
  1.Analog computer      
  2.Digital computer        
  3.Digilog computer       
  4.All of the above
  5.None of these

Ans : Digital Computer


The operating system is the most common type of _______ software.


  1.Communication         
  2.Application   
  3.System          
  4.Word-processing software
  5.None of these

Ans : System

    ______ controls the way in which the computer system functions and provides a mean by which user can interact with the computer.

   1.The platform      
      2.The operating system      
      3.Application software
      4.The mother board                      
      5.None of these
            
 Ans : The operating System


   _____ is the science that attempts to produce machines that display the same type of intelligence that humans do.
      1.       None Science           
      2.Nanotechnology           
      3.Simulation       
      4.Artificial intelligence
      5.None of these
   
       Ans : Artificial Intelligence


   The name for the way that computers manipulate data into information is called
1.Programming               
2.Processing     
3.storing            
4.Organusing    
5.None of these

Ans : Processing


   Computer use the ______ language to process data.
1.Processing      
2.Kilobyte        
3.Binary              
4.Representational      
 5.None of these

Ans : Binary


   In DOS, which of the following command is used to delete all the files as well as subdirectories of a directory?
1.Delete
2.Del
3.Deltree
4. Move
5.None of these

Ans : Deltree


   Which of the following computer languages is a mathematically oriented language used for scientific problems?
1.FORTRAN
2.COBOL
3.LISP
4.PROLOG
5Apple

Ans : FORTRAN.


   To move to the beginning of a line of text, press the ________ Key.
1.Home
2. A
3. Pageup
4. Enter
5.None of these

Ans : Home


   A devise operating at the physical layer is called a
1.Bridge            
2. Router            
3. Repeater     
4.Editing          
5.None of these

Ans : Repeater


   In DOS, the ‘Label’ command is used to
1.Display the label of disk
2. Change the label of disk
3. Remove the label of disk
4.Both 1 & 2
5.None of these

Ans : Display the label of disk


   Which process checks to ensure the components of the computer are opertating and connected properly?
1.Booting
2. Processing
3. Saving
4.Editing
5.None of these

Ans : Booting


   In a relational database, this is a data structure that organizes the information about a single topic into rows and column.
1.Block 
2. Record
3. Tuple
4.Table
5.None of these

Ans : Table


1 Arranging of data in a logical sequence is known as
1.Classifying
2. Searching
3. Sorting
4.Reproducing
5.None of these

Ans : Sorting

   Personal Computers can be connected together to form a
1.Server
2. Super Computer
3. Internet
4.Network

5.None of these

Ans : Network

    For opening and closing of the file in Excel, you can use which bar?
1.Formatting
2. Standard 
3. Title
4.Formatting or Title 
5.None of these

Ans : Title

   Computer language used on Internet is
1.BASIC
2. COBOL
3. Java
4.pascal
5.None of these

Ans : Java

   A website’s main  page is called it’s _______
1.Home Page
2. Browser Page              
3. Search Page         
4.Book mark             
5.None of these

Ans : Home Page

   In a spreadsheet program the _____  contains related worksheets and documents.
1.Workbook         
2. Column             
3. Cell             
4.Formula                
5.None of these

Ans : Workbook

   A scanner scans _____ ?
1.Pictures
2. Text 
3. Both 1 & 2         
4.Neither 1 nor 2         
5.None of these

Ans : Both 1 & 2


Which one of the following software application would be most appropriate for performing numerical and statistical calculation
1.Database
2. Documenr Processor    
3. Graphic Package         
4.Spreadsheet  
5.None of these

Ans : Spreadsheet


   Back up of the data files will help to prevent _______
1.Loss of Confidentialty         
2. Duplication of data                
3. Virus Injection         
4.Loss of data   
5.None of these

Ans : Loss of data


   Text in a column is generally aligned as ________.
1.Justified         
2. Right      
3. Center         
4.Left      
5.None of these

Ans : Left


    In page preview mode ________
1.You can see all pages of your document
2. You can only see the page you are currently working
3. You can only see pages that do not contain graphics
4. You can only see the title page of your document        5.None of these

Ans : You can only see the page you are currently working


   Which of the following is a GUI device ?
1.Keyboard         
2. Mouse                
3.OMR            
4.All of the above                    
5.None of these

Ans : Mouse


   A program which translates high level language program into a machine language program is called
1.Compiler         
2. Interpreter        
3. ALU         
4.CPU           
5.None of these

Ans : Interpreter


   Which step is taken first in designing a program
1.Data validation         
2. Task Analysis         
3. Input design         
4.Problem identification    
5.None of these

Ans : Problem identification  


   Computer error is known as
1.BUG         
2. RAM              
3. ALU        
4.ROM         
5.None of these

Ans : BUG


   Which of the following is a graphical package?
1.Corel Draw          
2. M.S.Excel             
3. M.S.Word         
4. All of the above                
5.None of these

Ans : Corel Draw


   To interconnect two homogeneous WAN’s we need a
1.Bridge         
2. Router       
3. Repeater         
4.All of the above         
5.None of these

Ans : Router


   Which of the following gates recognizes only words that have an odd number of 1 ?
1.NAND Gate         
2. EX-OR Gate             
3. NOR Gate           
4.AND Gate      
5.None of these

Ans : EX-OR Gate


   Which of the following topology is least affected by addition/removal of a node?
1.RING              
2. STAR            
3. BUS         
4.MESH                   
5.None of these

Ans : RING


   ________ is page replacement policy used for memory management.
1.Paging         
2. Swapping                 
3. LRU         
4.Demanding            
5.None of these

Ans : LRU


   A user can get files from another computer  on the internet by using
1.FTP         
2. HTTP                
3. VTP         
4. Both 1 & 2              
5.None of these

Ans : FTP


   Which of the following is the largest unit of storage
1.GB                
2. KB                 
3. MB         
4.TB              
5.None of these

Ans : TB


   Computers use the _______ number system to store data and perform calculations.
1.Decimal        
2. Hexadecimal         
3. Octal         
4.Binary     
5.None of these

Ans : Binary


   Changing an existing document is called _____ the document.
1.Creating           
2. Editing                 
3. Modifying          
4.Adjusting                   
5.None of these

Ans : Edit


   When sending an Email, the _____ line describes the contents of the message.
1.To               
2. Subject              
3. Contents                 
4.CC                            
5.None of these

Ans : Subject


   To move the beginning of a line of text , press the ________ key
1. Home             
2. End              
3. Page up            
4.Enter              
5.None of these

Ans : Home


    Application Software
1.Is used to control the operating system.
2.Is designed to help programmers.         
3.Perform specific task for computer users.
4.is used for making design only               
5.None of these

Ans : Perform specific task for computer users.


   The hardware device that acts as both a switching and connecting unit is called a
1.RS-232 C port         
2. Concentrator            
3. Multiplexer         
4.Communication process                    
5.None of these

Ans : Multiplexer


   A program embedded in a semi conductor chip during their manufacture is called
1. Humanware           
2. Firmware          
3. Live ware           
4.hardware                
5.Software

Ans : Firmware


   Which menu in M.S. Word can be used to change page size?
1.View         
2. Tools             
3. Format         
4.Data   
 5.None of these

Ans : Format


   Which of the following is single user computer with many features and good processing power ?
1.Workstation         
2. Minicomputer            
3. Microcomputer         
4.All of the above           
5.None of these

Ans : Workstation


   Which of the following is not a search engine?
1.Google         
2. Baidu        
3. Wolfarm Alfa        
4.Yahoo     
5.None of these

Ans : Wolfarm Alfa


   What is office open XML?
1.A file format         
2. A Software                  
3. An electronic device        
4.An International standard        
5.None of these

Ans : A file format




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