Computer Memory Questions Practice Question and Answer

Q:

The acronym of Reusable Optical Storage is-

483 0

  • 1
    CD
    Correct
    Wrong
  • 2
    CD-RW
    Correct
    Wrong
  • 3
    DVD
    Correct
    Wrong
  • 4
    ROM
    Correct
    Wrong
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Answer : 4. "ROM"
Explanation :

Actually, the correct acronym for Reusable Optical Storage is not ROM. The correct acronym is ROS, which stands for Reusable Optical Storage. ROS refers to a technology that allows optical storage media, such as DVDs and CDs, to be rewritten or reused multiple times for data storage purposes.

Q:

Built-in memory of computer is-

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  • 1
    ROM
    Correct
    Wrong
  • 2
    PROM
    Correct
    Wrong
  • 3
    EPROM
    Correct
    Wrong
  • 4
    RAM
    Correct
    Wrong
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Answer : 1. "ROM"
Explanation :

The built-in memory of a computer typically refers to RAM (Random Access Memory). RAM is a type of volatile memory that the computer uses to temporarily store data that is actively being used or processed. It provides fast access to the data the computer needs to perform tasks, and its content is erased when the computer is powered off.

Q:

The data remains the same after saving the file and turning off the computer-

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  • 1
    in RAM
    Correct
    Wrong
  • 2
    in secondary storage
    Correct
    Wrong
  • 3
    in the motherboard
    Correct
    Wrong
  • 4
    in primary storage
    Correct
    Wrong
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Answer : 2. "in secondary storage"
Explanation :

The data remains the same after saving the file and turning off the computer when it is stored in secondary storage. Secondary storage devices, such as hard drives, solid-state drives, and optical discs, are non-volatile storage media. This means that they retain data even when the power is turned off. Unlike volatile memory (such as RAM), which loses its content when the computer is powered down, data stored in secondary storage remains intact until it is intentionally deleted or modified.

Q:

Which of the following memory has the least access time?

385 1

  • 1
    cache memory
    Correct
    Wrong
  • 2
    Magnetic bubble memory
    Correct
    Wrong
  • 3
    Magnetic core memory
    Correct
    Wrong
  • 4
    random access memory
    Correct
    Wrong
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Answer : 1. "cache memory"
Explanation :

Cache memory has the least access time among the options provided. Cache memory is a high-speed type of volatile computer memory that provides high-speed data storage and access to the processor. It is faster than main memory (RAM) because it is located on the CPU chip or very close to it and stores frequently accessed data and instructions. Accessing data from cache memory is much quicker compared to accessing it from RAM, making cache memory the fastest type of memory in terms of access time.

Q:

which of the following is an example of a volatile memory. 

433 1

  • 1
    cd-rom
    Correct
    Wrong
  • 2
    RAM
    Correct
    Wrong
  • 3
    Rome
    Correct
    Wrong
  • 4
    hard disk
    Correct
    Wrong
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Answer : 2. "RAM "
Explanation :

RAM (Random Access Memory) is an example of volatile memory. Volatile memory is a type of computer memory that requires power to maintain the stored information. When the computer is powered off or restarted, the data stored in RAM is erased. This is in contrast to non-volatile memory like hard drives or SSDs, where data is retained even when the power is turned off. Volatile memory, such as RAM, provides fast access to data for the computer's processor but does not retain data when the system is powered down.


Q:

The instruction about booting your system is stored in:

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  • 1
    RAM
    Correct
    Wrong
  • 2
    CPU
    Correct
    Wrong
  • 3
    BIOS
    Correct
    Wrong
  • 4
    Register
    Correct
    Wrong
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Answer : 3. "BIOS"
Explanation :

The instructions about booting your system are stored in the Basic Input/Output System (BIOS) or its modern equivalent, Unified Extensible Firmware Interface (UEFI). BIOS/UEFI is firmware that is built into the computer's motherboard and contains low-level software that initializes and initializes hardware components, including the system boot process. It provides the necessary instructions for the computer to boot up and load the operating system from the storage device.

Q:

What is the full form of ROM?

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  • 1
    read only memory
    Correct
    Wrong
  • 2
    random only memory
    Correct
    Wrong
  • 3
    random origin memory
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 1. "read only memory"

Q:

Cache memory is used for -

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  • 1
    for permanent storage
    Correct
    Wrong
  • 2
    to overcome the speed barrier between memory and processor
    Correct
    Wrong
  • 3
    for important data
    Correct
    Wrong
  • 4
    none of the above
    Correct
    Wrong
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Answer : 2. "to overcome the speed barrier between memory and processor"

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