Placement papers on Operating System - Set 1

Placement papers on Operating System - Set 1

1. Which of the following is crucial time while accessing data on the disk?

Seek time
Rotational time
Transmission time
Waiting time
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2. Unix Operating System is an __________.

Time Sharing Operating System
Multi-User Operating System
Multi-tasking Operating System
All the Above
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3. Which of the following memory allocation scheme suffers from External fragmentation?

Segmentation
Pure demand paging
Swapping
Paging
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4. Information about a process is maintained in a _________.

Stack
Translation Lookaside Buffer
Process Control Block
Program Control Block
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5. Distributed OS works on the ________ principle.

File Foundation
Single system image
Multi system image
Networking image
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6. Which file system does DOS typically use ?

FAT16
FAT32
NTFS
WNFS
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7. The program is known as _________ which interacts with the inner part of called kernel

Compiler
Device Driver
Protocol
Shell
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8. Identify the odd thing in the services of operating system.

Accounting
Protection
Error detection and correction
Dead lock handling
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9. Cryptography technique is used in ________.

Polling
Job Scheduling
Protection
File Management
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10. Which of the following is not advantage of multiprogramming?

Increased throughput
Shorter response time
Decreased operating system overhead
Ability to assign priorities to jobs
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