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Welcome to the Processes and Threads MCQs Page

Dive deep into the fascinating world of Processes and Threads with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Processes and Threads, a crucial aspect of Operating System. In this section, you will encounter a diverse range of MCQs that cover various aspects of Processes and Threads, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Operating System.

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Check out the MCQs below to embark on an enriching journey through Processes and Threads. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Operating System.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Processes and Threads. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Processes and Threads MCQs | Page 7 of 17

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Q61.
The Memory Buffer Register (MBR)

a.

is a hardware memory device which denotes the location of the current instruction being executed.

b.

is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.

c.

contains the address of the memory location that is to be read from or stored into.

d.

contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".

Discuss
Answer: (d).contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".
Q62.
Fork is

a.

the dispatching of a task

b.

the creation of a new job

c.

the creation of a new process

d.

increasing the priority of a task

Discuss
Answer: (c).the creation of a new process
Q63.
A form of code that uses more than one process and processor, possibly of different type, and that may on occasions have more than one process or processor active at the same time, is known as

a.

multiprogramming

b.

multi threading

c.

broadcasting

d.

time sharing

Discuss
Answer: (b).multi threading
Q64.
A program

a.

is a device that performs a sequence of operations specified by instructions in memory.

b.

is the device where information is stored

c.

is a sequence of instructions

d.

is typically characterized by interactive processing and time of the CPU's time to allow quick response to each user.

Discuss
Answer: (c).is a sequence of instructions
Q65.
Memory tables are used to keep the track of

a.

Real and Virtual Memory

b.

I/O Devices

c.

Resources

d.

I/O Modules+J77

Discuss
Answer: (a).Real and Virtual Memory
Q66.
The user level context contains the basic elements of

a.

User's Program

b.

System

c.

Application Program

d.

None

Discuss
Answer: (a).User's Program
Q67.
In Computer systems authentication is the fundamental building block in

a.

Security Context

b.

Control Context

c.

Execution Context

d.

Performance Context

Discuss
Answer: (a).Security Context
Q68.
Intruders is a most common security threat which referred as?

a.

Account Access

b.

Data Access

c.

Hacker or Cracker

d.

Computer Access

Discuss
Answer: (c).Hacker or Cracker
Q69.
If the process is running currently executing, it is in the running

a.

Mode

b.

Process

c.

State

d.

Program

Discuss
Answer: (c).State
Q70.
Communication in client server systems may uses Sockets and

a.

Process Control Block (PCB)

b.

Remote Procedure Calls (RPCs)

c.

Kernel mode

d.

Registers

Discuss
Answer: (b).Remote Procedure Calls (RPCs)
Page 7 of 17

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