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    Tuesday, December 25, 2018

    MCQ COMPUTER QUESTIONS

    MCQ COMPUTER QUESTIONS
    MCQ COMPUTER QUESTIONS
    MCQ COMPUTER QUESTIONS
    MCQ COMPUTER QUESTIONS



    • 1. The brain of any computer system is
    • ALU Control unit Memory CPU
    • 2. CD-ROM is a
    • Memory register Semiconductor memory Magnetic memory None of above
    • 3. UNIVAC is
    • Universal Automatic Computer Universal Array Computer Unique Automatic Computer Unvalued Automatic Computer
    • 4. The basic operations performed by a computer are
    • Arithmetic operation Logical operation Storage and relative All the above
    • 5. Storage capacity of magnetic disk depends on
    • Bits per inch of tracks Tracks per inch of surface Disk pack in disk surface All of above
    • 6. The two kinds of main memory are:
    • Primary and secondary Random and sequential ROM and RAM All of above
    • 7. Chief component of first generation computer was
    • Transistors Vacuum Tubes and Valves Integrated Circuits None of above
    • 8. The ALU of a computer responds to the commands coming from
    • Primary memory Cache memory External memory Control section
    • 9. A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is
    • Memory Buffer Accumulator Address
    • 10. A dumb terminal has
    • an embedded microprocessor extensive memory independent processing capability a keyboard and screen
    • 11. One millisecond is
    • 1 second 10th of a seconds 1000th of a seconds 10000th of a seconds
    • 12. Computer is free from tiresome and boardroom. We call it
    • 3 Accuracy Reliability Diligence Versatility
    • 13. Which of the following produces the best quality graphics reproduction?
    • Laser printer Ink jet printer Plotter Dot matrix printer
    • 14. Which of the following IC was used in third generation of computers?
    • LSI SSI MSI Both SSI and MSI
    • 15. Integrated Circuits (ICs) are related to which generation of computers?
    • First generation Second generation Third generation Fourth generation
    • 16. A hybrid computer
    • Resembles digital computer Resembles analogue computer Resembles both a digital and analogue computer None of the above
    • 17. Which of the following was a special purpose computer?
    • ABC ENIAC EDVAC All of the above
    • 18. The output quality of a printer is measured by
    • Dot per sq. inch Dot per inch Dots printed per unit time All of the above
    • 19. When was vacuum tube invented?
    • 1900 1906 1910 1880
    • 20. High density double sided floppy disks could store ----- of data
    • 1.40 MB 1.44 GB 1.40 GB 1.44 MB
    • 21. Which of the following is not processing?
    • arranging manipulating calculating gathering
    • 22. Which computer was considered the first electronic computer until 1973 when court invalidated the patent?
    • ABC Z3 ENIAC MARK I
    • 23. In most IBM PCs, the CPU, the device drives, memory expansion slots and active components are mounted on a single board. What is the name of this board?
    • Motherboard Breadboard Daughter board Grandmother board
    • 24. A technique used by codes to convert an analog signal into a digital bit stream is known as
    • Pulse code modulation Pulse stretcher Query processing Queue management
    • 25. Regarding a VDU, Which statement is more correct?
    • It is an output device It is an input device It is a peripheral device It is hardware item
    • 26. A physical connection between the microprocessor memory and other parts of the microcomputer is known as
    • Path Address bus Route All of the above
    • 27. Regarding a VDU, Which statement is more correct?
    • It is an output device It is an input device It is a peripheral device It is hardware item
    • 28. Which of the following is not an input device?
    • OCR Optical scanners Voice recognition device COM (Computer Output to Microfilm)
    • 29. Software in computer
    • Enhances the capabilities of the hardware machine Increase the speed of central processing unit Both of above None of above
    • 30. The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately
    • 16 digits 6 digits 9 digits All of above
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