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CPU and its components MCQs

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  • 1. The basic architecture of computer was developed by
  • filter_dramaExplanation
    Answer is : A
    In 1945, Professor J. von Neumann, who was then working at the Moore School of Engineering in Philadelphia, where the E.N.I.A.C. had been built, issued on behalf of a group of his co-workers, a report on the logical design of digital computers.
  • 2. Time during which a job is processed by the computer is:
  • filter_dramaExplanation
    Answer is : A
    Time during which a job is processed by the computer is Execution Time.
  • 3. Who invented the supercomputer?
  • filter_dramaExplanation
    Answer is : D
    Supercomputers were introduced in the 1960s, and for several decades the fastest were made by Seymour Cray at Control Data Corporation (CDC) A supercomputer is a computer with a high level of performance compared to a general-purpose computer. Performance of a supercomputer is measured in floating-point operations per second (FLOPS) instead of million instructions per second (MIPS)
  • 4. The 'IC' chip, used in computers, is made of
  • filter_dramaExplanation
    Answer is : D
    An integrated circuit or monolithic integrated circuit (also referred to as an IC, a chip, or a microchip) is a set of electronic circuits on one small flat piece (or "chip") of semiconductor material, normally silicon.
  • 5. The processor which performs arithmetical and logical operations is called
  • filter_dramaExplanation
    Answer is : B
    An arithmetic logic unit (ALU) is a digital circuit used to perform arithmetic and logic operations. It represents the fundamental building block of the central processing unit (CPU) of a computer. Modern CPUs contain very powerful and complex ALUs.
  • 6. Which was an early mainframe computer?
  • filter_dramaExplanation
    Answer is : D
    ENIAC(Electronic Numerical Integrator and Computer) was amongst the earliest electronic general-purpose computers made. It was Turing-complete, digital and able to solve "a large class of numerical problems" through reprogramming.
  • 7. Where is the headquarters of Intel located?
  • filter_dramaExplanation
    Answer is : C
    Intel Corporation is an American multinational corporation and technology company headquartered in Santa Clara, California, in the Silicon Valley.
  • 8. Which of the following was the first Intel processor introduced?
  • filter_dramaExplanation
    Answer is : B
    The Intel 4004 is a 4-bit central processing unit (CPU) released by Intel Corporation in 1971. It was the first commercially available microprocessor by Intel. The 4004 was the first in a long line of Intel CPUs. The chip design started in April 1970, when Federico Faggin joined Intel, and it was completed under his leadership in January 1971.
  • 9. Arithmetic logic unit I.   perform arithmetic operations II.  store data III. perform comparison IV.  communicate with input devices from above the correct one is
  • filter_dramaExplanation
    Answer is : D
    An arithmetic logic unit (ALU) is a combinational digital electronic circuit that performs arithmetic and bitwise operations on integer binary numbers.
  • 10. Super computers are mainly useful for
  • filter_dramaExplanation
    Answer is : A
    A supercomputer is a computer with a high level of performance compared to a general-purpose computer. Performance of a supercomputer is measured in floating-point operations per second (FLOPS) instead of million instructions per second (MIPS).
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