Are you guys looking for Computer science Engineering MCQ Questions with Answers PDF Free Download as per Computer science Engineering new exam pattern? You came to the right page. This may assist you to understand and check your knowledge about the Subjects. Students also can take a free test of the Multiple Choice Questions of Computer science Engineering. Each question has four options followed by the right answer. These Computer science Engineering MCQ Questions are selected supported by the newest exam pattern.
Q1. Round-robin scheduling
(A) Allows interactive tasks quicker access to the processor
(B) Is quite complex to implement
(C) Gives each task the same chance at the processor
(D) Allows processor-bound tasks more time in the processor
Answer: (C) Gives each task the same chance at the processor
Q2. Which of the following is characteristic of an operating system?
(A) Resource management
(B) Error recovery
(C) Memory management
(D) All the above
Answer: (D) All the above
Q3. Virtual memory is
(A) Simple to implement
(B) Used in all major commercial operating systems
(C) Less efficient in utilization of memory
(D) Useful when fast I/O devices are not available
Answer: (B) Used in all major commercial operating systems
Q4. Which of the following is not an advantage of multiprogramming?
(A) Increased throughput
(B) Shorter response time
(C) Decreased operating-system overhead
(D) Ability to assign priorities to jobs
Answer: (C) Decreased operating-system overhead
Q5. Link encryption
(A) Is more secure than end-to-end encryption
(B) Is less secure than end-to-end encryption
(C) Cannot be used in a public network
(D) Is used only to debug
Answer: (B) Is less secure than end-to-end encryption
Q6. What is the name of the operating system that reads and reacts in terms of actual time?
(A) Batch system
(B) Quick response system
(C) Real time system
(D) Time sharing system
Answer: (C) Real time system
Q7. The most common systems security method is
(A) Passwords
(B) Encryption
(C) Firewall
(D) All of the above
Answer: (A) Passwords
Q8. The Memory Address Register
(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”
Answer: (C) Contains the address of the memory location that is to be read from or stored into
Q9. 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
Answer: (C) The creation of a new process
Q10. To avoid the race condition, the number of processes that may be simultaneously inside their critical section is
(A) 8
(B) 1
(C) 16
(D) 0
Answer: (B) 1
Q11. The register or main memory location which contains the effective address of the operand is known as
(A) Pointer
(B) Indexed register
(C) Special location
(D) Scratch pad
Answer: (A) Pointer
Q12. The part of machine level instruction, which tells the central processor what has to be done, is
(A) Operation code
(B) Address
(C) Locator
(D) Flip-Flop
Answer: (A) Operation code
Q13. What is the name of the system which deals with the running of the actual computer and not with the programming problems?
(A) Operating system
(B) Systems program
(C) Object program
(D) Source program
Answer: (B) Systems program
Q14. Which of the following is not true about documentation?
(A) Documentation, of a system, should be as clear and direct as possible
(B) Documentation increases the maintenance time and cost
(C) Documentation gives better understanding of the problem
(D) All of the above
Answer: (B) Documentation increases the maintenance time and cost
Q15. The problem of thrashing is affected significantly by:
(A) Program structure
(B) Program size
(C) Primary-storage size
(D) All of the above
Answer: (A) Program structure
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