Operating System Basics Questions and Answers

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Q161
The time taken by the disk arm to locate the specific address of a sector for getting information is called __________.
  • A Rotational Latency
  • B Seek Time
  • C Search Time
  • D Response Time
Answer: Option B
Q162
Which file system does Windows 95 typically use ?
  • A FAT16
  • B FAT32
  • C NTFS
  • D LMFS
Answer: Option B
Q163
Identify the odd thing in the services of operating system.
  • A Accounting
  • B Protection
  • C Error detection and correction
  • D Dead lock handling
Answer: Option C
Q164
Cryptography technique is used in ________.
  • A Polling
  • B Job Scheduling
  • C Protection
  • D File Management
Answer: Option C
Q165
Which of the following is not advantage of multiprogramming?
  • A Increased throughput
  • B Shorter response time
  • C Decreased operating system overhead
  • D Ability to assign priorities to jobs
Answer: Option C
Q166
In ______ OS, the response time is very critical.
  • A Multitasking
  • B Batch
  • C Online
  • D Real-time
Answer: Option D
Q167
An optimal scheduling algorithm in terms of minimizing the average waiting time of a given set of processes is ________.
  • A FCFS scheduling algorithm
  • B Round robin scheduling algorithm
  • C Shorest job - first scheduling algorithm
  • D None of the above
Answer: Option C
Q168
Real time systems are ________.
  • A Primarily used on mainframe computers
  • B Used for monitoring events as they occur
  • C Used for program development
  • D Used for real time interactive users
Answer: Option B
Q169
Which technique was introduced because a single job could not keep both the CPU and the I/O devices busy?
  • A Time-sharing
  • B SPOOLing
  • C Preemptive scheduling
  • D Multiprogramming
Answer: Option D
Q170
Inter process communication can be done through __________.
  • A Mails
  • B Messages
  • C System calls
  • D Traps
Answer: Option B

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