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Computer Online Quiz

76. Which of the following is a single user operating system?
 
  • A. Xenix
  • B. Unix
  • C. Ms–Dos
  • D. OS/2
 
77. Which is the slowest of the following memory?
 
  • A. Primary memory
  • B. Secondary memory
  • C. Register
  • D. None of these
 
 
78. Following converts high level language instructions into machine language
 
  • A. Operating environment
  • B. Interpreter
  • C. System software
  • D. Applications software
 
79. The following is not an operating system
 
  • A. Window XP
  • B. LINUX
  • C. UNIX
  • D. MS OFFICE
 
80. Following communications lines, best suites to interactive processing applications
 
  • A. Simplex lines
  • B. Full duplex lines
  • C. Narrowband channels
  • D. Mixed band channels