Computing

Quiz on key computing key terms.

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1. What Is Read-Only Memory (ROM)

  • Memory that can be addressed and accessed directly by the processor.
  • Memory that is used to store programs permanently and in the same location, such as the boot-up program. This memory is non-volatile and is not deleted when the computer is switched off.
  • Memory that is used to store the programs and data currently in use by a computer. It is volatile, which means that it gets erased when the computer is switched off.
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2. What Is Cache memory

  • A technology for storing data in an electronic format which is used for memory cards.
  • This is a buffer of memory in the processor that is used to store copies of items that are most often fetched from the memory, so that they can be fetched more quickly.
  • Memory that can be addressed and accessed directly by the processor.

3. What Is an Input device

  • Storage that can be disconnected from the main computer unit, for example to transfer files between computers.
  • A device that is used to enter data into a computer. It takes data that a user presents and converts it into binary code.
  • A device that presents the result of processing. It converts binary data into a form which can be read by a user, or into a result in the external world.

4. What Is A Virus

  • A malware program that runs silently on a user’s computer and enables another user to connect to the computer and take control of it.
  • A malware program that attaches itself to files and is designed to spread within a computer and to other computers, usually causing the computer to become unreliable.
  • A malware program that uses the resources of the computer in which it is installed to spread to other computers and cause the computers to become unreliable. (Unlike a virus, a worm does not attach itself to files.)

5. What Is Internal storage

  • Storage that works by storing the data in electronic circuits.
  • Storage that is built into the main computer unit.
  • A device that is used to store data when it is not in use, including after the computer has been switch off.

Comments

steve

nice test

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