Threads Questions

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11.

The register context and stacks of a thread are deallocated when the thread?

A

terminates

B

blocks

C

unblocks

D

spawns

Correct Answer: A

None.

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12.

Thread synchronization is required because ___________

A

all threads of a process share the same address space

B

all threads of a process share the same global variables

C

all threads of a process can share the same files

D

all of the mentioned

Correct Answer: D

None.

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13.

A thread is also called ___________

A

Light Weight Process(LWP)

B

Heavy Weight Process(HWP)

C

Process

D

None of the mentioned

Correct Answer: A

None.

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14.

A thread shares its resources(like data section, code section, open files, signals) with ___________

A

other process similar to the one that the thread belongs to

B

other threads that belong to similar processes

C

other threads that belong to the same process

D

all of the mentioned

Correct Answer: C

None.

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15.

A heavy weight process ___________

A

has multiple threads of execution

B

has a single thread of execution

C

can have multiple or a single thread for execution

D

none of the mentioned

Correct Answer: B

None.

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16.

A process having multiple threads of control implies ___________

A

it can do more than one task at a time

B

it can do only one task at a time, but much faster

C

it has to use only one thread per process

D

none of the mentioned

Correct Answer: A

None.

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17.

Multithreading an interactive program will increase responsiveness to the user by ___________

A

continuing to run even if a part of it is blocked

B

waiting for one part to finish before the other begins

C

asking the user to decide the order of multithreading

D

none of the mentioned

Correct Answer: A

None.

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18.

Resource sharing helps ___________

A

share the memory and resources of the process to which the threads belong

B

an application have several different threads of activity all within the same address space

C

reduce the address space that a process could potentially use

D

all of the mentioned

Correct Answer: D

None.

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19.

The kernel is _______ of user threads.

A

a part of

B

the creator of

C

unaware of

D

aware of

Correct Answer: C

None.

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20.

If the kernel is single threaded, then any user level thread performing a blocking system call will ___________

A

cause the entire process to run along with the other threads

B

cause the thread to block with the other threads running

C

cause the entire process to block even if the other threads are available to run

D

none of the mentioned

Correct Answer: C

None.

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