12th Class Computers Science Sample Paper

done Cyber Olympiad Sample Paper-3 Total Questions - 50    [Download]

• question_answer1)
  Select the figure which would replace the sign of question mark (?), so that the series established by the Problem Figures can be continued.
  A)
             
  done clear
  B)
  
  done clear
  C)
                         
  done clear
  D)
  
  done clear
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• question_answer2)
  Figures (1) and (2) bear a certain relationship. Similarly, figure (4) bears the same relationship to figure (3). Select the figure from the options which would replace the sign of question mark (?).
  A)
                         
  done clear
  B)
  
  done clear
  C)
                         
  done clear
  D)
  
  done clear
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• question_answer3)
  Choose the figure in which Fig. (x) is exactly embedded as one of its part.
  A)
                         
  done clear
  B)
  
  done clear
  C)
                         
  done clear
  D)
  
  done clear
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• question_answer4)
  In a certain code language, 'nee muk pic' means 'grave and concern', 'ill die so' means 'everybody else' and 'tur muk so' means 'body and soul'. Which of the following would mean 'every concern'?
  A)
  die pie
  done clear
  B)
  pie nee
  done clear
  C)
  ill nee
  done clear
  D)
  Cannot be determined
  done clear
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• question_answer5)
  In the given figure, rectangle stands for philosophers, circle stands for historians and triangle stands for magicians. According to the above diagram, which one of the following statements is true?
  A)
  All historians are magicians.
  done clear
  B)
  Some magicians are philosophers as well as historians.
  done clear
  C)
  All historians are either philosophers or magicians.
  done clear
  D)
  Some historians are philosophers.
  done clear
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• question_answer6)
  How many pairs of letters in the word 'RELATIONSHIP' are as far from each other as they are in the English alphabets?
  A)
  1                                 
  done clear
  B)
  2
  done clear
  C)
  3                                 
  done clear
  D)
  None of these
  done clear
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• question_answer7)
  There is a number series given. After the series, below it in the next line, a number is given followed by (i), (ii), (iii), (iv) and (v). You have to complete the series starting with the given number following the sequence of the given series. Then, answer the question given below it. Which number will come in place of (v)? ;
  A)
  106                              
  done clear
  B)
  13.25
  done clear
  C)
  202.5               
  done clear
  D)
  None of these
  done clear
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• question_answer8)
  Find the missing number in the pattern given below. 
  A)
  15                                
  done clear
  B)
  14
  done clear
  C)
  20                                
  done clear
  D)
  12
  done clear
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• question_answer9)
  There is a series with two unmarked figures, one each on the extreme left and extreme right. One and only one of the five marked figures does not fit into the series. You have to find out the figure which does not fit into the series.
  A)
  1                                 
  done clear
  B)
  2
  done clear
  C)
  4                                 
  done clear
  D)
  5
  done clear
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• question_answer10)
  Select a figure from the options which will complete the pattern in figure (X).
  A)
                      
  done clear
  B)
  
  done clear
  C)
                         
  done clear
  D)
  
  done clear
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• question_answer11)
  Moving process from main memory to disk is called ____. 
  A)
  Scheduling        
  done clear
  B)
  Cache 
  done clear
  C)
  Spooling           
  done clear
  D)
  Swapping
  done clear
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• question_answer12)
  A part/portion of the WWW, that is index able by search engine programs such as spider, is called _____.
  A)
  Deep Web         
  done clear
  B)
  Surface Web
  done clear
  C)
  Sea Web                       
  done clear
  D)
  Find Web
  done clear
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• question_answer13)
  It is a hardware interface by Apple Inc. that supports high-resolution display and the connection of external peripherals to a computer. Its name is ____.
  A)
  NVM Express    
  done clear
  B)
  PCI Express
  done clear
  C)
  iExpress Card    
  done clear
  D)
  Thunderbolt
  done clear
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• question_answer14)
  In HTML, _____ attribute of \[<ol>\]tag specifies the kind of marker to use in the list.
  A)
  kind                             
  done clear
  B)
  type     
  done clear
  C)
  start                             
  done clear
  D)
  classify
  done clear
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• question_answer15)
  Which of the following options turns off typing, editing commands and proofing marks and makes a document read-only to indicate it as a completed version of a file in MS-Word 2010?
  A)
                
  done clear
  B)
  
  done clear
  C)
              
  done clear
  D)
  
  done clear
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• question_answer16)
  Which of the following options of Control   Panel allows you to uninstall or change programs in your computer in Windows 7?
  A)
                 
  done clear
  B)
  
  done clear
  C)
              
  done clear
  D)
  
  done clear
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• question_answer17)
  In networking, Bandwidth is ______.
  A)
  The range of frequencies available for data transmission
  done clear
  B)
  Data transmission rate
  done clear
  C)
  Alternate for rubber band
  done clear
  D)
  None of these
  done clear
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• question_answer18)
  The complement law of Boolean algebra states that ____.
  A)
  \[\overline{X}+\overline{X}=1\]             
  done clear
  B)
  \[X+1\text{ }=X\]
  done clear
  C)
  \[X.\overline{X}=0\]                  
  done clear
  D)
  \[X+0=X\]
  done clear
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• question_answer19)
  4K UHD is a new display technology for devices. Here 4K denotes ____ of     device.
  A)
  Horizontal resolution       
  done clear
  B)
  Wireless technology
  done clear
  C)
  Refresh rate                   
  done clear
  D)
  Aspect ratio
  done clear
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• question_answer20)
  Which of the following shortcuts will maximize the current restored window in Windows 7?
  A)
  +
  done clear
  B)
  +
  done clear
  C)
  +
  done clear
  D)
  +
  done clear
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• question_answer21)
  Which of the following HTML tags defines  a short quotation?
  A)
  \[<quot>\]                   
  done clear
  B)
  \[<quotation>\]
  done clear
  C)
  \[<q>\]            
  done clear
  D)
  None of these
  done clear
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• question_answer22)
  In C++, the function write ( ) and open ( ) are defined in ____.
  A)
  \[<string.h>\]                
  done clear
  B)
  \[<fstream.h>\]
  done clear
  C)
  \[<graphics.h>\]
  done clear
  D)
  \[<ctype.h>\]
  done clear
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• question_answer23)
  Which of the following options will allow you to browse the list of all the recent copies of unsaved files in MS-Word 2010?
  A)
                
  done clear
  B)
  
  done clear
  C)
                
  done clear
  D)
  
  done clear
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• question_answer24)
   ____ is a method of encryption that provides two different keys, a secret key and a public key.
  A)
  Symmetric encryption
  done clear
  B)
  Asymmetric encryption
  done clear
  C)
  Authentication
  done clear
  D)
  Detection
  done clear
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• question_answer25)
   ____ is a workstation or PC without disk drives, that uses network booting to load its operating system from a server.
  A)
  Thick client                   
  done clear
  B)
  Diskless node
  done clear
  C)
  Hard node                    
  done clear
  D)
  Soft disk node
  done clear
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• question_answer26)
  Identify the following:

  - These are character printers that form characters and images by spraying small drops of ink on a paper.

  - They are non-impact printers because they print by spraying ink on paper.

  - They are both monochrome and colour.

  A)
  Dot Matrix Printers         
  done clear
  B)
  Inkjet Printers
  done clear
  C)
  Chain Printers    
  done clear
  D)
  Laser Printers
  done clear
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• question_answer27)
   ____ extends a private network across a public network such as internet.
  A)
  VPN                             
  done clear
  B)
  ISP
  done clear
  C)
  IPS                              
  done clear
  D)
  EPS
  done clear
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• question_answer28)
  There are two addresses related to a system in networking. They are IP address and ____ address.
  A)
  ISP                              
  done clear
  B)
  MAC
  done clear
  C)
  UDP                             
  done clear
  D)
  PDP
  done clear
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• question_answer29)
  Which of the following protocols is used to transmit news on the internet?
  A)
  SMTP                          
  done clear
  B)
  HTTP
  done clear
  C)
  NNTP                           
  done clear
  D)
  FTP
  done clear
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• question_answer30)
   ______ uses an external circuitry to periodically regenerate or refresh storage charge to retain the stored data.
  A)
  SRAM                          
  done clear
  B)
  DRAM
  done clear
  C)
  ERAM                          
  done clear
  D)
  UVRAM
  done clear
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• question_answer31)
  ____ is a binary operation that requires two relations as its operands and generates a third relation that contains tuples from both the operand relations.
  A)
  Set Difference operation
  done clear
  B)
  Project operation
  done clear
  C)
  Union operation
  done clear
  D)
  Select operation
  done clear
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• question_answer32)
   Which of the following options is CORRECT to find the length of a string in C++?
  A)
  
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
  
  done clear
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• question_answer33)
  In object-oriented programming, _____ occurs when an object is stored in memory but cannot be accessed by the running code.
  A)
  Heap                            
  done clear
  B)
  Stack
  done clear
  C)
  Memory Leak    
  done clear
  D)
  Queue
  done clear
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• question_answer34)
  The difference between the highest and the lowest frequencies of a transmission channel is called ________.
  A)
  Bandwidth        
  done clear
  B)
  Throughput
  done clear
  C)
  Retention          
  done clear
  D)
  Turn Around
  done clear
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• question_answer35)
  Identify the name of the given  built-in app with respect to Windows 8.1.
  A)
  Money                          
  done clear
  B)
  Monetary
  done clear
  C)
  Reading List      
  done clear
  D)
  Ranger
  done clear
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• question_answer36)
  In database, a table that has a physical structure with stored records is called
  A)
  Pivot table        
  done clear
  B)
  Base table
  done clear
  C)
  Truth table        
  done clear
  D)
  Both A & B
  done clear
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• question_answer37)
  Which of the following statements is INCORRECT with respect to softwares?
  A)
  FLOSS stands for Free/Libre and Open ?Source Software.
  done clear
  B)
  VLC Media Player is a free and open source software.
  done clear
  C)
  Source code of all shareware softwares is available as free to all the users.
  done clear
  D)
  FSF stands for Free Software Foundation.
  done clear
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• question_answer38)
  Identify the topology represented in the given diagram.
  A)
  Mesh topology   
  done clear
  B)
  Star topology
  done clear
  C)
  Ring topology    
  done clear
  D)
  Bus topology
  done clear
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• question_answer39)
  Which of the following is a telecommunications protocols in internet telephony for voice and video calls via multimedia communication sessions?
  A)
  SEP                             
  done clear
  B)
  SIP
  done clear
  C)
  IPS                              
  done clear
  D)
  DTD
  done clear
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• question_answer40)
  Consider the following C++ declaration, and answer the questions that follow. \[Static\text{ }int\text{ }a\text{ }\left[ 5 \right]\text{ }=\text{ }\left\{ 10,\text{ }15,\text{ }20,\text{ }25,\text{ }30 \right\}\]

  a	10	15	20	25	30
  	1002	1002	1004	1006	1008

  What will be the value of expression\[\left( *a\text{ }+\text{ }2 \right)\]?
  A)
  10                                
  done clear
  B)
  15
  done clear
  C)
  12                                
  done clear
  D)
  20
  done clear
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• question_answer41)
  Consider the following C++ declaration, and answer the questions that follow. \[Static\text{ }int\text{ }a\text{ }\left[ 5 \right]\text{ }=\text{ }\left\{ 10,\text{ }15,\text{ }20,\text{ }25,\text{ }30 \right\}\]

  a	10	15	20	25	30
  	1002	1002	1004	1006	1008

  What will be the value of expression\[\left( *a\text{ }+\text{ }2 \right)\]?
  A)
  12                                
  done clear
  B)
  15
  done clear
  C)
  20                                
  done clear
  D)
  25
  done clear
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• question_answer42)
  Cascade and Sunday are examples of _____ virus.
  A)
  Boot Sector       
  done clear
  B)
  Program
  done clear
  C)
  Macro                          
  done clear
  D)
  Both A & B
  done clear
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• question_answer43)
  Which of the following HTML tags defines a clickable button?
  A)
  click                             
  done clear
  B)
  button @click
  done clear
  C)
  button                          
  done clear
  D)
  All of these
  done clear
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• question_answer44)
  In Windows 7, _____ generates an HTML slideshow of user's actions with description of what took place.
  A)
  Snipping Tool
  done clear
  B)
  Problem Steps Recorder
  done clear
  C)
  Bit Locker     
  done clear
  D)
  Movie Maker
  done clear
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• question_answer45)
  In SQL, the HAVING clause is used to______.
  A)
  Refine the query and the tuples returned by the GROUP BY clause.
  done clear
  B)
  Refine the query and the tuples returned by the WHERE clause.
  done clear
  C)
  Sort the tuples alphabetically.
  done clear
  D)
  Store the result of the query in a new table with the indicated name.
  done clear
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• question_answer46)
  Study following diagram and select the CORRECT function
  A)
  \[F\text{ }=\text{ }\overline{a}b\text{ }+\text{ }b\overline{c}\text{ }+\text{ }ca\]
  done clear
  B)
  \[F=ab+\overline{b}c+\overline{c}\overline{a}\]
  done clear
  C)
  \[F\text{ }=\text{ }a\overline{b}\text{ }+\text{ }b\overline{c}\text{ }+\text{ }\overline{c}a\]
  done clear
  D)
  \[F=ab+\overline{b}\overline{c}+c\overline{a}\]
  done clear
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• question_answer47)
  If you open a workbook containing spark lines in a previous version of MS-Excel before 2010 then ______.
  A)
  Cells containing spark lines will show everything without any error
  done clear
  B)
  Cells containing spark lines will show some special characters
  done clear
  C)
  Cells containing spark lines will be empty
  done clear
  D)
  Both A and B
  done clear
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• question_answer48)
  Which of the following options is CORRECT for the given statement? Shareware is different from FOSS because

  (i) The source code is not available.

  (ii) Modifications to the software are not allowed.

  (iii) Objective of the software is to make it available to everyone free of cost for lifetime.

  A)
  Only (i)             
  done clear
  B)
  Both (i) and (ii)
  done clear
  C)
  Both (i) and (iii) 
  done clear
  D)
  Only (iii)
  done clear
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• question_answer49)
  A short range wireless technology the enables smartphones and other devices to establish radio communication with each other by touching them together called _______.
  A)
  BNC                
  done clear
  B)
  NFC
  done clear
  C)
  CFC                             
  done clear
  D)
  DFD
  done clear
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• question_answer50)
  What would be the output of the given function in MS-Excel 2010? \[=CEILING\left( 78,4 \right)\]
  A)
  72                                
  done clear
  B)
  70
  done clear
  C)
  80                                
  done clear
  D)
  64  
  done clear
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