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Computer Operating System

51.

While working with MS-DOS, which command is used to undelete a bunch of files with extension DOC that you have just deleted?

Answer: B

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52.

An instruction in a programming language that is replaced by a sequence of instructions prior to assembly or compiling is known as

Answer: B

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53.

Using the _____ switch causes FDISK to display the partition status of your hard disk without executing FDISK.

Answer: C

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Answer: B

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55.

Which among the following windows versionsupport64 bit processor?

Answer: C

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56.

IBM released its first PC in 1981. Can you name the operating system which was most popular at that time?

Answer: D

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Answer: A

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Answer: D

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60.

In DOS, what key would you press to step through the Config.sys and Autoexec.bat?

Answer: D

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