OS-2Sem-MCQ-Practice
Quiz by Mingalar NSP
Feel free to use or edit a copy
includes Teacher and Student dashboards
Measure skillsfrom any curriculum
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
- edit the questions
- save a copy for later
- start a class game
- automatically assign follow-up activities based on students’ scores
- assign as homework
- share a link with colleagues
- print as a bubble sheet
- Q1
What does DMA stand for?
d) Dynamic Module Allocation
c) Direct Module Access
b) Dynamic Memory Allocation
a) Direct Memory Access
30s - Q2
In which of the following storage is data stored persistently?
b) Cache
c) Hard disk
a) RAM
d) Register
30s - Q3
Which operating system concept involves dividing the memory into fixed-sized blocks?
a) Paging
d) Swapping
c) Fragmentation
b) Segmentation
30s - Q4
What is the purpose of the page table in an operating system?
c) To schedule processes
a) To manage memory
b) To map virtual address to physical address
d) To manage files
30s - Q5
Which command in Unix is used to list files in a directory?
a) ls
c) list
d) show
b) dir
30s - Q6
The operating system maintains a ______ table that keeps track of how many frames have been allocated, how many are ther, and how many are available.
d) frame
a) memory
c) page
b) mapping
30s - Q7
The _______ presents a uniform device-access interface to the I/O subsystem, much as system calls provide a standard interface between the application and the operating system.
c) Devices
b) I/O systems
a) Device drivers
d) Buses
30s - Q8
The operating system keeps a small table containing information about all open files called _____.
c) open-file table
b) directory table
a) file table
d) system table
30s - Q9
What will happen in the single level directory?
a) All files are contained in the same directory
b) All files are contained in different directories all at the same level
c) Depends on the operating system
d) None of the mentioned
30s - Q10
To recover from failures in the network operations _______ information may be maintained.
d) state
a) operating system
b) IP address
c) stateless
30s - Q11
On systems where there are multiple operating system, the decision to load a particular one is done by _____.
d) bootstrap
b) file control block
c) boot loader
a) process control block
30s - Q12
Whenever a process needs I/O to or from a disk it issues a _____.
a) system call to the operating system
c) system call to the CPU
b) a special procedure
d) all of the mentioned
30s - Q13
The two steps the operating system takes to use a disk to hold its files are ____.
c) swap space creation and caching
b) logical formatting and swap space creation
d) partitioning and logical formatting
a) caching and logical formatting
30s - Q14
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.
b) bad blocks, low level formatting
c) destroyed blocks, high level formatting
d) bad blocks, partitioning
a) destroyed blocks, partitioning
30s - Q15
Network operating system runs on _____.
b) server
d) none of the mentioned
a) every system in the network
c) both server and every system in the network
30s