Operating System Questions

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221.

Unicode standard is

A

Keyboard layout

B

Software

C

Font

D

Character encoding system

Correct Answer: D

Unicode is a computing industry standard for the consistent encoding, representation, and handling of text expressed in most of the world's writing systems. The standard is maintained by the Unicode Consortium, and as of June 2018 the most recent version, Unicode 11.0, contains a repertoire of 137,439 characters covering 146 modern and historic scripts, as well as multiple symbol sets and emoji. The character repertoire of the Unicode Standard is synchronized with ISO/IEC 10646, and both are code-for-code identical. Source : wikipedia.org

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222.

A ..... is a windows component that is designed to store other components so these can be organized efficiently?

A

Document

B

Window

C

Folder

D

All of above

Correct Answer: C

A Folder is a windows component that is designed to store other components so these can be organized efficiently.

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223.

You can switch from one program to another on the desktop by clicking within the desired program's window or by clicking on its ...... button

A

Icon

B

Taskbar button

C

Folder

D

None of above

Correct Answer: B

You can switch from one program to another on the desktop by clicking within the desired program's window or by clicking on its "Taskbar button" button.

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224.

You can switch from one program to another by clicking within the desired program's icon from the

A

Application icon on desktop

B

Application icon from taskbar

C

Folder

D

None of above

Correct Answer: B

You can switch from one program to another by clicking within the desired program's icon from the Application icon from taskbar.

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225.

Virtual memory typically located on

A

RAM

B

CPU

C

Flash card

D

Hard drive

Correct Answer: D

Virtual memory typically located on Hard drive

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226.

What is contained in the page table?

A

Base address of each frame and corresponding page number

B

Memory address and corresponding page number

C

File name and corresponding page number

D

None of Above

Correct Answer: A

Base address of each frame and corresponding page number are contained in the page table.

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227.

Tree structure displays the

A

File only

B

Directory only

C

File and directory name

D

None of above

Correct Answer: B

Tree structure displays the Directory only.

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228.

Windows 2000 server uses the

A

FAT 16

B

NTFS

C

FAT 64

D

FAT 32

Correct Answer: B

Windows 2000 server uses the NTFS (New Technology File System).

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229.

First-in-First-Out (FIFO) scheduling is

A

Non Preemptive Scheduling

B

Preemptive Scheduling

C

Fair Share Scheduling

D

Deadline Scheduling

Correct Answer: A

First-in-First-Out (FIFO) scheduling is "Non Preemptive Scheduling".

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230.

Which one of the following key is used to refresh the active window?

A

F7

B

F8

C

F9

D

F5

Correct Answer: D

"F5" key is used to refresh the active window.

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