Which one of the following is not a multitasking operating system?

Which of the following options best describes the truthfulness of the following statements? (i) Windows XP is an operating system. (ii) Both Unix and Linux are multitasking operating system.

A

(i) True, (ii) False

B

(i) True, (ii) True

C

(i) False, (ii) True

D

(i) False, (ii) False

Which one of the following Operating Systems is not a multitasking operating system?

A

DOS

B

Linux

C

Windows 98

D

Unix

Choose the statements which indicate the differences between the thread based multitasking and process based multitasking.

A

Process-based multitasking handles the concurrent execution of programs

B

Process-based multitasking handles the concurrent execution of pieces of the same program

C

Thread-based multitasking handles the concurrent execution of programs

D

Thread-based multitasking deals with the concurrent execution of pieces of the same program

which of the following Operating System does not Implement multitasking truly?

A

windows 98

B

windows NT

C

MS DOS

D

Windows XP

Which of the following operating system does not implement the multitasking truly?

A

Windows 98

B

Windows NT

C

Windows XP

D

MS DOS

Which of the following is not a multitasking operating system?

A

Windows

B

Linux

C

Win NT

D

DOS

Which of the following controls the time slicing mechanism in a multitasking operating system?

A

kernel

B

single tasking kernel

C

multitasking kernel

D

application manager

In a multitasking operating system environment, each task should return to its own processor state which is

A

contents of integer registers

B

contents of floating point registers

C

contents of MMX registers

D

all of the mentioned

Which can be considered as the lower level in the multitasking operating system?

A

process

B

task

C

threads

D

multi threads

User level threads are threads that are visible to the programmer and are unknown to the kernel. The operating system kernel supports and manages kernel level threads. Three different types of models relate user and kernel level threads. Which of the following statements is/are true ? (a) (i) The Many - to - one model maps many user threads to one kernel thread (ii) The one - to - one model maps one user thread to one kernel thread (iii) The many - to - many model maps many user threads to smaller or equal kernel threads (b) (i) Many - to - one model maps many kernel threads to one user thread (ii) One - to - one model maps one kernel thread to one user thread (iii) Many - to- many model maps many kernel threads to smaller or equal user threads

A

(a) is true; (b) is false

B

(a) is false; (b) is true

C

Both (a) and (b) are true

D

Both (a) and (b) are false

Which one of the following is not a multitasking operating system?

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