Operating System Questions

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251.

Which of the following statement about directories is false?

A

Directories can exist inside directories

B

The root directory is always at the highest level

C

Directories cannot be renamed

D

Directories can be deleted

Correct Answer: C

None.

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252.

The program that is responsible for loading the operating system into RAM is called

A

BIOS

B

Bootstrap program

C

Device driver

D

Supervisor program

Correct Answer: B

A bootstrap is the program that initializes the operating system (OS) during startup. The term bootstrap or bootstrapping originated in the early 1950s. It referred to a bootstrap load button that was used to initiate a hardwired bootstrap program, or smaller program that executed a larger program such as the OS.

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253.

Copying a process from memory to disk to allow space for other processes is Called

A

Swapping

B

Deadlock

C

Demand Paging

D

Page Fault

Correct Answer: A

Copying a process from memory to disk to allow space for other processes is called Swapping

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254.

Any files deleted in Windows goes into

A

Trash can

B

Recycle bin

C

Deleted Files

D

None of above

Correct Answer: B

Any files deleted in Windows goes into Recycle bin.

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255.

Which of the following is a disk compression tool?

A

Drive space

B

Scan disk

C

Defragmenter

D

None of the above

Correct Answer: A

Drive Space is a disk compression utility supplied with MS-DOS starting from version 6.0. The purpose of Drive Space is to increase the amount of data the user could store on disks, by transparently compressing and decompressing data on-the-fly. It is primarily intended for use with hard drives, but use for floppy disks is also supported.

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256.

What does Belady's Anomaly related to?

A

Page Replacement Algorithm

B

Memory Management Algorithm

C

Deadlock Prevention Algorithm

D

Disk Scheduling Algorithm

Correct Answer: A

In computer storage, Belady's Anomaly is the name given to the phenomenon where increasing the number of page frames results in an increase in the number of page faults for a given memory access pattern. This phenomenon is commonly experienced when using the First in First Out (FIFO) page replacement algorithm.

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257.

A ..... allows you to write on screen with a digital pen and convert that writing into characters that the PC can process

A

Monitor RS

B

Tablet PC

C

Database manager

D

Media Center

Correct Answer: B

A 'Tablet PC' allows you to write on screen with a digital pen and convert that writing into characters that the PC can process.

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258.

Driver is

A

Hardware controller

B

Hardware and gain controller

C

Data controller

D

All of above

Correct Answer: A

A program that controls a device. Every device, whether it be a printer, disk drive, or keyboard, must have a driver program. Many drivers, such as the keyboard driver, come with the operating system. For other devices, you may need to load a new driver when you connect the device to your computer.

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259.

System files allocated at

A

Boot area

B

FAT area

C

Data area

D

Directory

Correct Answer: A

System files allocated at Boot area

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260.

...... transforms one interface into other interface

A

Program

B

Software

C

Data

D

None

Correct Answer: B

Software transforms one interface into other interface

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