Top 1000+ Solved Important Computer MCQs For Competitive Exams part-1 MCQ Questions Answer
Q. Which is the part of a computer system that enables human operators to communicate with the computer?
a. Console
b. Keyboard
c. Printer
d. CPU
e. None of these
Q. High-level languages are not concerned with computer but with
a. assembler
b. machine code
c. compiler
d. All of these
e. None of these
Q. An instruction that transfers program control to one or more possible paths is known as
a. utility program
b. system software
c. broadband channel
d. application program
e. None of these
Q. The process of writing computer instructionsin a programming language is known as
a. coding
b. processing
c. programming
d. file
e. None of these
Q. Which input device is able to scan and interpret an entire page that is typed in a special font?
a. Floppy disk
b. Page reader
c. Paper tape punch
d. Optical card readers
e. None of these
Q. An input device that is able to interpret combinations of marks that represent data is known as
a. optical mark reader
b. mouse
c. card punch
d. punch bar-code reader
e. None of these
Q. A memory in which the information is stored last is on top and is retrieved first is known as
a. PROM
b. Buffer
c. Stack
d. RAM
e. None of these
Q. The memory stees in mainframe computers and advanced technology micro computers are expressed as
a. bytes
b. kilo-bytes
c. bits
d. megabytes
e. None of these
Q. The invention of the slide rule is attributed to
a. Babbage
b. Oughtred
c. Pascal
d. Napier
e. None of these
Q. Pick out the wrong statement
a. information stored in RAM can be changed by over writing it
b. information stored in ROM cannot be changed by over-writing
c. information can be stored in any location of RAM
d. computer main memory can be accessed only sequentially
e. None of these
Q. The purpose of an application program is to
a. convert program written in high level language to machine language
b. meet specific user needs
c. allow the operating system to control resources better
d. make off-line equipment run better
e. None of these
Q. A medium for transferring data between two locations is called
a. network
b. communication channel
c. modem
d. bus
e. None of these
Q. A place in a computer memory which storesa unit of information is
a. buffer
b. accumulator
c. memory
d. location
e. None of these
Q. A by-bits word length computer with very high speed CPU and 64 MB main memory is
a. minicomputer
b. super computer
c. mainframe computer
d. micro computer
e. None of these
Q. A two-or-three character code used in teletypewriter systems to activate a particular machine is known as
a. gray code
b. bar code
c. call-directing code
d. mnemonics
e. None of these