81. A self replicating program, similar to a virus which was taken from a 1970s science fiction novel by John Bruner entitled the Shockwave Rider is__________?
A. Bug
B. Vice
C. Lice
D. Worm
82. Unwanted repetitious messages, such as unsolicited bulk e-mail is known as_________?
A. Spam
B. Trash
C. Calibri
D. Courier
83. DOS stands for____________?
A. Disk Operating System
B. Disk operating session
C. Digital Operating System
D. Digital Open system
84. Who is the Current CEO of Microsoft?
A. Babbage
B. Bill Gates
C. Bill Clinton
D. Satya Nadella
85. Which of the following are input devices?
A. Keyboard
B. Mouse
C. Card reader
D. All of these
86. Examples of output devices are?
A. Screen
B. Printer
C. Speaker
D. All of these
87. Which of the following is also known as brain of computer?
A. Control unit
B. Central Processing unit
C. Arithmetic and language unit
D. Monitor
88. ____________translates and executes program at run time line by line?
A. Compiler
B. Interpreter
C. Linker
D. Loader
89. RAM stands for___________?
A. Random origin money
B. Random only memory
C. Read only memory
D. Random access memory
90. 1 Byte =___________?
A. 8 bits
B. 4 bits
C. 2 bits
D. 9 bits
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