Practice test

Computer memory and software - Test Set 1

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    The secondary storage devices can only store data but they cannot perform
    1. logic operations
    2. fetch operations
    3. arithmetic operations
    4. All of these
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  2. Question 2

    In hard disk, which part is a pie-shaped wedge on the track?
    1. Sectors
    2. Sensor
    3. Platter
    4. Spindle
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  3. Question 3

    Magnetic tape is not practical for applications where data must be quickly recalled because tape is
    1. fragile and easily damaged
    2. a sequential access medium
    3. a random access medium
    4. a read only medium
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  4. Question 4

    Which of the following computer disk allows the user to write data permanently on to the disk and it cannot be erased?
    1. CD - rewritable
    2. Magneto - optical disk
    3. DVD - RW
    4. CD - recordable
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  5. Question 5

    DVD stands for __________.
    1. Digital Versatile Disc
    2. Digital Vertical Disc
    3. Digital Vertical Data
    4. Data Varying Disc
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  6. Question 6

    Three types of compact disks include CD, CD-R and ______________.
    1. CD-DVD
    2. CD-W
    3. CD-RAM
    4. CD-RW
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  7. Question 7

    Which of the following device performs the same basic function as a hard drive, but data is instead stored on interconnected flash memory chips that retain the data even when there is no power flowing through them?
    1. Solid state drive
    2. Static RAM
    3. Cache memory chip
    4. Dynamic RAM
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  8. Question 8

    A typical CD consists of reflective layer coated with
    1. mercury
    2. aluminium
    3. brass
    4. zinc
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  9. Question 9

    Which of the following represents secondary memory?
    1. RAM
    2. ROM
    3. HDD
    4. Cache memory
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  10. Question 10

    Secondary storages are primarily used for
    1. Running applications
    2. Long term data retention
    3. Temporary data storage
    4. Speeding up processing
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  11. Question 11

    Each cell of a memory device is capable of storing one bit of information in the form of binary numbers. What does the word ‘bit’ mean?
    1. Binary digit
    2. Binary divisor
    3. Bidirectional digit
    4. Bidirectional divisor
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  12. Question 12

    Computer memory is made up of many cells. Each cell capable of storing ____________ information as binary numbers.
    1. one byte
    2. two bit
    3. a nibble
    4. one bit
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  13. Question 13

    Which of the following relations is not correct?
    1. 1 byte = 8 Bits
    2. 1 Kilobyte = 1024 Bytes
    3. 1 Gigabyte = 1024 Kilobytes
    4. 1 Terabyte = 1024 Gigabytes
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  14. Question 14

    1 Terabyte per second= ____________ bytes per second
    1. 240
    2. 210
    3. 220
    4. 230
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  15. Question 15

    There are 1024 _________________ in megabyte (MB).
    1. gigabyte
    2. byte
    3. kilobyte
    4. terabyte
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  16. Question 16

    _______________ is the smallest unit of data in a computer.
    1. Gigabyte
    2. Terabyte
    3. Bit
    4. Byte
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  17. Question 17

    Modern computers follow a set of instructions to perform any task. What are these instructions commonly called?
    1. Command
    2. Guidelines
    3. Program
    4. Language
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  18. Question 18

    Which of the following is a set of instructions, data or programs which are used to operate and execute specific tasks in a computer?
    1. Hardware
    2. Processor
    3. Malware
    4. Software
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  19. Question 19

    Which of the following is not a characteristic of software?
    1. It can be physically touched.
    2. It is designed to solve specific problems.
    3. It is prone to access (bugs).
    4. It needs regular updates and maintenance.
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  20. Question 20

    Which of the following is a completely new installation of an operating system or application on a computer?
    1. A headless installation
    2. An unattended installation
    3. A silent installation
    4. A clean installation
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