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Computer Aptitude

COMPUTER FUNDAMENTAL MCQs

Fundamental And Concepts Of Computer

Total Questions : 1289 | Page 27 of 129 pages
Question 261. An output device that converts data from a binary format in main storage to coded hole patterns punched into a paper tape is
  1.    Paper tape punch
  2.    Punched paper tape
  3.    Magnetic disk
  4.    Magnetic tape
  5.    None of the above
 Discuss Question
Answer: Option A. -> Paper tape punch
Question 262. A computer performs operations by comparing data items and then, depending on the results, follows predetermined course of action. What are such operations called?
  1.    Sequential
  2.    Logical
  3.    Digital
  4.    Physical
  5.    None of the above
 Discuss Question
Answer: Option B. -> Logical
Question 263. A file that includes an index directory to facilitate random access is
  1.    Sequential file
  2.    Indexed file
  3.    Random file
  4.    Serial file
  5.    None of the above
 Discuss Question
Answer: Option B. -> Indexed file
Question 264. The data bus in 8080A/8085 microprocessor is a group of
  1.    eight bidirectional lines that are used to transfer 8 bits between the microprocessor and its I/O and memory
  2.    sixteen bidirectional lines that are used for data transfer between the microprocessor and memory
  3.    eight unidirectional lines that are used for I/O devices
  4.    eight lines used to transfer data among the registers
  5.    None of the above
 Discuss Question
Answer: Option A. -> eight bidirectional lines that are used to transfer 8 bits between the microprocessor and its I/O and memory
Question 265. Control of computer system or subsystem operation by an operator who may intervene at arbitrary times is
  1.    Manual control
  2.    Mapping
  3.    Shift register
  4.    ALU
  5.    None of the above
 Discuss Question
Answer: Option A. -> Manual control
Question 266. In which of the following terminals the screen is regarded as an array of pixels, where each pixel is either on or off?
  1.    Character map terminal
  2.    Bit map terminal
  3.    RS-232 C terminal
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option B. -> Bit map terminal
Question 267. Which language has been selected as the basis for the Japanese "fifth generation" computers.
  1.    ALGOL
  2.    COBOL
  3.    PROLOG
  4.    C
  5.    None of the above
 Discuss Question
Answer: Option C. -> PROLOG
Question 268. A notation for defining the form and structure of data is known as
  1.    Data description language
  2.    Binary language
  3.    Data channel
  4.    Data definition language
  5.    None of the above
 Discuss Question
Answer: Option D. -> Data definition language
Question 269. The CPU is made up of control unit ALU and
  1.    Memory
  2.    Input-Output
  3.    Register unit
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option A. -> Memory
Question 270. In digital computer, all the expressions are coded into
  1.    Octal digits
  2.    Binary digits
  3.    Hexadecimal digits
  4.    Decimal cligits
  5.    None of the above
 Discuss Question
Answer: Option B. -> Binary digits

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