Real Time Systems

Multiple Choice questions & answers are available for a Computer Science students to clear GAT, NTS, ECAT exams, various technical interview, competitive examination, and other entrance exam. Real Time Systems is the important Topic for a computer science and technical students and one should practice these Mcqs to grasp good knowledge on the topic.

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Computer MCQS

Sciences MCQS

1.
_______ OS pays more attention on the meeting of the time limits.

Distributed

Network

Real time

Online

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2.
Real time systems are ________.

Primarily used on mainframe computers

Used for monitoring events as they occur

Used for program development

Used for real time interactive users

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4.
Which scheduling policy is most suitable for a time-shared operating system

Shortest-job First.

Elevator.

Round-Robin.

First-Come-First-Serve.

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5.
The basic types of OS are ……………….

Batch and time sharing

Sequential and real time

Direct and interactive

Batch and interactive

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6.
In real time operating system

All processes have the same priority

A task must be serviced by its deadline period

Process scheduling can be done only once

Kernel is not required

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7.
Hard real time operating system has ___ jitter than a soft real time operating system.

Less

More

Equal

None of the mentioned

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8.
For real time operating systems, interrupt latency should be

Minimal

Maximum

Zero

Dependent on the scheduling

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9.
In rate monotonic scheduling

Shorter duration job has higher priority

Longer duration job has higher priority

Priority does not depend on the duration of the job

None of the mentioned

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10.
In which scheduling certain amount of CPU time is allocated to each process?

Earliest deadline first scheduling

Proportional share scheduling

Equal share scheduling

None of the mentioned

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11.
The problem of priority inversion can be solved by

Priority inheritance protocol

Priority inversion protocol

Both priority inheritance and inversion protocol

None of the mentioned

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12.
Time duration required for scheduling dispatcher to stop one process and start another is known as

Process latency

Dispatch latency

Execution latency

Interrupt latency

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13.
Time required to synchronous switch from the context of one thread to the context of another thread is called

Threads fly-back time

Jitter

Context switch time

None of the mentioned

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14.
Which one of the following is a real time operating system?

RTLinux

VxWorks

Windows CE

All of the mentioned

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15.
VxWorks is centered around

Wind microkernel

Linux kernel

Unix kernel

None of the mentioned

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Engineering MCQS

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