CIT 333

Operating System

Chapter 1 : Computer System Structure

DAE Computer Information Technology | Third Year

Short Questions

PBTE DAE CIT-333 Operating System | Chapter 1 : Computer System Structure | MCQs

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CIT-333
Chapter 1 (Computer System Structure) - MCQs

Chapter:01 (Computer System Structure)

Question 1:

What is an operating system?

interface between the hardware and application programs collection of programs that manages hardware resources system service provider to the application programs all of the mentioned

Question 2:

Where is the operating system placed in the memory?

either low or high memory (depending on the location of interrupt vector) in the low memory in the high memory none of the mentioned

Question 3:

If a process fails, most operating system write the error information to a ______

new file another running process log file none of the mentioned

Question 4:

In operating system, each process has its own __________

open files address space and global variables pending alarms, signals, and signal handlers All of above

Question 5:

The main memory accommodates ____________

CPU user processes operating system all of the mentioned

Question 6:

The operating system is responsible for___________

bad-block recovery booting from disk disk initialization all of the mentioned

Question 7:

The operating system and the other processes are protected from being modified by an already running process because ____________

every address generated by the CPU is being checked against the relocation and limit registers they have a protection algorithm they are in different memory spaces they are in different logical addresses

Question 8:

The operating system maintains a ______ table that keeps track of how many frames have been allocated, how many are there, and how many are available.

memory mapping page frame

Question 9:

In real time operating system ____________.

process scheduling can be done only once all processes have the same priority kernel is not required a task must be serviced by its deadline period

Question 10:

The operating system keeps a small table containing information about all open files called ____________

file table directory table open-file table system table

Question 11:

Whenever a process needs I/O to or from a disk it issues a ______________

system call to the operating system a special procedure system call to the CPU all of the mentioned

Question 12:

The two steps the operating system takes to use a disk to hold its files are _______ and ________

Caching & logical formatting Logical formatting & swap space creation Swap space creation & caching Partitioning & logical formatting

Question 13:

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.

Bootstrap Main Bootloader Rom

Question 14:

Which principle states that programs, users, and even the systems be given just enough privileges to perform their task?

Principle of least privilege Principle of process scheduling Principle of operating system none of the mentioned

Question 15:

Which one of the following errors will be handle by the operating system?

power failure lack of paper in printer connection failure in the network all of the mentioned

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INSTRUCTOR
MUHAMMAD BIN JAMEEL
BSC ENGG. CIVIL

PBTE DAE CIT-333 Operating System | Chapter 1 : Computer System Structure | MCQs