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Unix operating system is

• c) Time sharing operating system

• d) All the above

• b) Multitasking operating system

• a) Multiuser operating system

It is a hardware interrupt that can never be ignored to achieve high priority tasks such as power failure

• Software interrupt

• Maskable interrupt

• Inter-processor interrupt

• Non-Maskable interrupt

When one processor fails to execute a function in multiprocessor system, other processors will pick up and share the work of failed processor which increases

• Economy of scale

• All the above

• Throughput

• Reliability

This type of memory is a fast, expensive, and volatile memory storage

• DRAM (Dynamic Random Memory)

• SRAM (Static Random Access Memory)

• RAM (Random Access Memory)

• ROM (Read Only Memory)

It a type of memory used by firmware because it cannot be changed regularly

• ROM (Read Only Memory)

• DRAM (Dynamic Random Memory)

• RAM (Random Access Memory)

• SRAM (Static Random-Access Memory)

. It is a program which provides an interface between hardware and its users

a) System calls

b) Operating system

c) Application

D)Software

• C

• B

• A

• D

. The interval from time of submission of a process to the time of completion is called

A)Response time

BWaiting time

C )Burst time

d) Turnaround time

• A

• C

• D

• B

In priority scheduling algorithm

a) CPU is allocated to the process with highest priority

b) CPU is allocated to the process with lowest priority c) Equal priority processes cannot be scheduled

d) None of answers

• A

• C

• D

• B

The best scheduling algorithm is the algorithm that a) Maximize the CPU utilization

b) Maximize response time

c) Minimize turnaround time

d) A and

• C

• D

• A

• B

In paging, dividing the logical memory into blocks of same size called

a) Slices

b) Frames

c) Pages

d) Both frames and pages

• A

• C

• B

• D