18 Fundamentals questions from the Concurrency bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.
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A.the property of a system that deals with many tasks making progress over overlapping time periods, which may or may not run literally at the same instant
B.an independent program instance with its own isolated memory address space and resources managed by the operating system
C.the smallest unit of execution scheduled by the OS that runs within a process and shares that process's memory with its siblings
D.the act of the scheduler saving one execution stream's state and restoring another's so a single core can be shared among many tasks
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2. Which term means: "the property of a system that deals with many tasks making progress over overlapping time periods, which may or may not run literally at the same instant"?
Junior
A.Context switch
B.Process
C.Parallelism
D.Concurrency
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3. Which statement is correct?
Junior
A.Concurrency — the simultaneous physical execution of multiple computations, typically on separate CPU cores at the very same instant
B.Concurrency — a single sequential flow of control through a program with its own stack and program counter
C.Concurrency — the property of a system that deals with many tasks making progress over overlapping time periods, which may or may not run literally at the same instant
D.Concurrency — the smallest unit of execution scheduled by the OS that runs within a process and shares that process's memory with its siblings
Answer + AI explanation with Pro
4. What is Parallelism?
Junior
A.the act of the scheduler saving one execution stream's state and restoring another's so a single core can be shared among many tasks
B.the simultaneous physical execution of multiple computations, typically on separate CPU cores at the very same instant
C.the property of a system that deals with many tasks making progress over overlapping time periods, which may or may not run literally at the same instant
D.the smallest unit of execution scheduled by the OS that runs within a process and shares that process's memory with its siblings
Answer + AI explanation with Pro
5. Which term means: "the simultaneous physical execution of multiple computations, typically on separate CPU cores at the very same instant"?
Junior
A.Context switch
B.Thread of execution
C.Process
D.Parallelism
Answer + AI explanation with Pro
6. Which statement is correct?
Junior
A.Parallelism — a single sequential flow of control through a program with its own stack and program counter
B.Parallelism — the property of a system that deals with many tasks making progress over overlapping time periods, which may or may not run literally at the same instant
C.Parallelism — the act of the scheduler saving one execution stream's state and restoring another's so a single core can be shared among many tasks
D.Parallelism — the simultaneous physical execution of multiple computations, typically on separate CPU cores at the very same instant
Answer + AI explanation with Pro
7. What is Process?
Junior
A.an independent program instance with its own isolated memory address space and resources managed by the operating system
B.a single sequential flow of control through a program with its own stack and program counter
C.the property of a system that deals with many tasks making progress over overlapping time periods, which may or may not run literally at the same instant
D.the act of the scheduler saving one execution stream's state and restoring another's so a single core can be shared among many tasks
Answer + AI explanation with Pro
8. Which term means: "an independent program instance with its own isolated memory address space and resources managed by the operating system"?
Junior
A.Concurrency
B.Context switch
C.Process
D.Parallelism
Answer + AI explanation with Pro
9. Which statement is correct?
Junior
A.Process — the property of a system that deals with many tasks making progress over overlapping time periods, which may or may not run literally at the same instant
B.Process — the act of the scheduler saving one execution stream's state and restoring another's so a single core can be shared among many tasks
C.Process — the smallest unit of execution scheduled by the OS that runs within a process and shares that process's memory with its siblings
D.Process — an independent program instance with its own isolated memory address space and resources managed by the operating system
Answer + AI explanation with Pro
10. What is Thread?
Junior
A.the property of a system that deals with many tasks making progress over overlapping time periods, which may or may not run literally at the same instant
B.the act of the scheduler saving one execution stream's state and restoring another's so a single core can be shared among many tasks
C.the simultaneous physical execution of multiple computations, typically on separate CPU cores at the very same instant
D.the smallest unit of execution scheduled by the OS that runs within a process and shares that process's memory with its siblings
Answer + AI explanation with Pro
11. Which term means: "the smallest unit of execution scheduled by the OS that runs within a process and shares that process's memory with its siblings"?
Junior
A.Thread
B.Concurrency
C.Context switch
D.Process
Answer + AI explanation with Pro
12. Which statement is correct?
Junior
A.Thread — the smallest unit of execution scheduled by the OS that runs within a process and shares that process's memory with its siblings
B.Thread — the simultaneous physical execution of multiple computations, typically on separate CPU cores at the very same instant
C.Thread — a single sequential flow of control through a program with its own stack and program counter
D.Thread — an independent program instance with its own isolated memory address space and resources managed by the operating system
Answer + AI explanation with Pro
13. What is Context switch?
Mid
A.the simultaneous physical execution of multiple computations, typically on separate CPU cores at the very same instant
B.the property of a system that deals with many tasks making progress over overlapping time periods, which may or may not run literally at the same instant
C.the act of the scheduler saving one execution stream's state and restoring another's so a single core can be shared among many tasks
D.the smallest unit of execution scheduled by the OS that runs within a process and shares that process's memory with its siblings
Answer + AI explanation with Pro
14. Which term means: "the act of the scheduler saving one execution stream's state and restoring another's so a single core can be shared among many tasks"?
Mid
A.Concurrency
B.Process
C.Parallelism
D.Context switch
Answer + AI explanation with Pro
15. Which statement is correct?
Mid
A.Context switch — the act of the scheduler saving one execution stream's state and restoring another's so a single core can be shared among many tasks
B.Context switch — an independent program instance with its own isolated memory address space and resources managed by the operating system
C.Context switch — the property of a system that deals with many tasks making progress over overlapping time periods, which may or may not run literally at the same instant
D.Context switch — the simultaneous physical execution of multiple computations, typically on separate CPU cores at the very same instant
Answer + AI explanation with Pro
16. What is Thread of execution?
Junior
A.an independent program instance with its own isolated memory address space and resources managed by the operating system
B.a single sequential flow of control through a program with its own stack and program counter
C.the property of a system that deals with many tasks making progress over overlapping time periods, which may or may not run literally at the same instant
D.the act of the scheduler saving one execution stream's state and restoring another's so a single core can be shared among many tasks
Answer + AI explanation with Pro
17. Which term means: "a single sequential flow of control through a program with its own stack and program counter"?
Junior
A.Thread of execution
B.Context switch
C.Parallelism
D.Process
Answer + AI explanation with Pro
18. Which statement is correct?
Junior
A.Thread of execution — the smallest unit of execution scheduled by the OS that runs within a process and shares that process's memory with its siblings
B.Thread of execution — a single sequential flow of control through a program with its own stack and program counter
C.Thread of execution — the simultaneous physical execution of multiple computations, typically on separate CPU cores at the very same instant
D.Thread of execution — the act of the scheduler saving one execution stream's state and restoring another's so a single core can be shared among many tasks
Answer + AI explanation with Pro
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