Mock Test

Question 1

Which Operating System uses the Linux kernel but is not considered compatible with Linux?

Answer 1

Android

Question 2

What type of Operating System provides high reliability?

Answer 2

Server

Question 3

Is the following true or false: ‘Automatic updates and Internet downloads are services offered by the OS’

Answer 3

False

Question 4

Is the following true or false: ‘Power management and auto-save are parts of the OS’

Answer 4

False

Question 5

What does the following command do: ‘chmod 666 os.doc’

Answer 5

Changes permissions everyone can read and write.

Question 6

Give a character that may be used to create a redirection pipe in Linux

Answer 6

|

Question 7

Is the following true or false: ‘Tasks are given different priorities when they first run’

Answer 7

True

Question 8

The following statement is not true, Why? : ‘Linux and MAC OS X are the same with different UI’

Answer 8

They have different Kernels.

Question 9

What is the relationship between Linux and FreeBSD?

Answer 9

Unis Clones

Question 10

How many tasks can be blocked in a processor with 8 cores?

Answer 10

1

Question 11

What is the advantage of hyper-threading?

Answer 11

Cheap Multitasking

Question 12

How does the OS know which tasks are more urgent to run?

Answer 12

Priority Level

Question 13

In Windows, what kind of task could have a priority of 24?

Answer 13

Real Time

Question 14

What problem does a linked-list prevent in file systems?

Answer 14

Fragmentation

Question 15

Describe an advantageous feature of FAT over NTFS.

Answer 15

Smaller

Question 16

Name the file permission allowing all operations in NTFS?

Answer 16

Full Control

Question 17

What is a page in Virtual Memory?

Answer 17

Chunk Transfer

Question 18

In a Page Table Entry, what is the purpose of the Present bit?

Answer 18

It Indicates RAM