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Codes consisting of lines of varying wid...

Codes consisting of lines of varying widths or lengths that are computer-readable are known as_______

A

as ASCII code

B

a magnetic tape

C

an OCR scanner

D

a bar code

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The correct Answer is:
D
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IBPS & SBI PREVIOUS YEAR PAPER-COMPUTER KNOWLEDGE-MCQs
  1. Reusable optical storage will typically have the acronym

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  2. The system unit

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  3. Codes consisting of lines of varying widths or lengths that are comput...

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  4. What is the permanent memory built into your computer called?

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  5. Help menu is available at which button?

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  6. A DVD is an example of a(n)-

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  7. Computer and communication technologies, such as communication links t...

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  8. Thefolder retains copies of messages that you hae started but are not ...

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  9. A central computer that holds collections of data and programs for man...

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  10. The basic unit of a worksheet into which you enter data in excel is ca...

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  11. To reload a Web page, press the button.

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  12. What characteristic of read-only memory (ROM) makes it useful?

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  13. Which of the following is true

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  14. A device that connects to a network without the use of cables is said ...

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  15. The , also called the Web, contains billions of documents.

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  16. In database, a field is a

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  17. Computers send and receive data in the form ofsignals

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  18. Where are programs and data kept while the processor is using them?

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  19. In order to save an existing document with a different name you need t...

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  20. Are list of commands that appear on the screen.

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