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121. In DOS, the DIR command is used to
  A.  copy files
  B.  delete file
  C.  display content of a file
  D.  display list of files and sub-directories
     
   
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122. The DOS command, which cannot be executed with versions 1 and 2 is
  A.  FIND
  B.  GRAPHICS
  C.  LABEL
  D.  MODE
     
   
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123. Which one of the following is an MS-DOS external command?
  A.  PROMPT
  B.  FORMAT
  C.   COPY
  D.   DIR
     
   
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124. In DOS, the ‘label’ command is used to
  A.   Both ‘2’ and ‘3’
  B.  create the label of disk
  C.  change the label of disk
  D.   remove the label of disk
     
   
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125. The instructions that tell a computer how to carry out the processing tasks are referred to as computer
  A.  memory modules
  B.  processors
  C.  programs
  D.   input devices
     
   
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126. A set of rules for telling the computer what operations to perform is called a
  A.  Programming language
  B.  Command language
  C.  Procedural language
  D.   Natural language
     
   
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127. Which of the following contains specific rules and words that express the logical steps of an algorithm?
  A.  Programming language
  B.   Programming structure
  C.   Syntax
  D.  Logical chart
     
   
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128. A (n) ……… program is one that is ready to run and does not need to be altered in any way.
  A.  interpreter
  B.  high level
  C.  compiler
  D.  executable
     
   
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129. Machine language
  A.  is the language in which programs were first written
  B.  is the only language understood by the computer
  C.  All of these
  D.   differs from one type of computer to another
     
   
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130. The use of combination of 1’s and 0’s is feature of which of the following type of computer language?
  A.  Machine Language
  B.  High Level Language
  C.  PASCAL
  D.  COBOL
     
   
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