Operating System
Operating System Quiz
Test your knowledge of operating systems with our engaging quiz! This quiz will challenge you on various aspects of operating systems, including concepts related to disk scheduling, memory management, and system initialization.
Whether you are a student looking to assess your understanding or a tech enthusiast wanting to brush up on your knowledge, this quiz offers:
- 10 carefully crafted multiple choice questions
- Instant feedback on your answers
- Fun and educational experience
1. Whenever a process needs I/O to or from a disk it issues a ______________
A) system call to the CPU
B) system call to the operating system
C) a special procedure
D) all of the mentioned
2. The data structue for a sector typically contains
A) header
B) data area
C) trailer
D) all of the mentioned
3. Consider a disk queue with requests for I/O to blocks on cylinders :
98 183 37 122 14 124 65 67
Considering FCFS (first cum first served) scheduling, the total number of head movements is, if the disk head is initially at 53 :
98 183 37 122 14 124 65 67
Considering FCFS (first cum first served) scheduling, the total number of head movements is, if the disk head is initially at 53 :
A) 600
B) 620
C) 630
D) 640
4. A single swap space ______ reside in two places.
A) can
B) cannot
C) must not
D) none of the mentioned
5. The _______ program initializes all aspects of the system, from CPU registers to device controllers and the contents of main memory, and then starts the operating system.
A) main
B) bootloader
C) bootstrap
D) rom
6. For swap space created in a seperate disk partition where no file system or directory structure is placed, _____________ used to allocate and deallocate the blocks.
A) special routines must be
B) normal file system routines can be
C) normal file system routines cannot be
D) swap space storage manager is
7. On media that use constant linear velocity (CLV), the _____________ is uniform.
A) density of bits on the disk
B) density of bits per sector
C) the density of bits per track
D) none of the mentioned
8. Defective sectors on disks are often known as __________
A) good blocks
B) destroyed blocks
C) bad blocks
D) none of the mentioned
9. In SCSI disks used in high end PCs, the controller maintains a list of _________ on the disk. The disk is initialized during ________ formatting which sets aside spare sectors not visible to the operating system.
A) destroyed blocks, high level formatting
B) bad blocks, low level formatting
C) bad blocks, partitioning
D) destroyed blocks, partitioning
10. In the _______ algorithm, the disk head moves from one end to the other , servicing requests along the way. When the head reaches the other end, it immediately returns to the beginning of the disk without servicing any requests on the return trip.
A) LOOK
B) SCAN
C) C-SCAN
D) C-LOOK
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