OSG202 Unit 1-3 Questions And Answers With Verified Solutions
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Course
OSG202
Institution
OSG202
OSG202 Unit 1-3 Questions And Answers With Verified Solutions
The OS is written as a collection of procedures, linked together into a single large executable binary program. Which OS structure is described ?
a. MSDOS
b. Monochrome
c. MonoOS
d. MonoKernel ANS a
(Multi-choice)
The OS is w...
OSG202 Unit 1-3 Questions And Answers With
Verified Solutions
The OS is written as a collection of procedures, linked together into a single large executable binary
program. Which OS structure is described ?
a. MSDOS
b. Monochrome
c. MonoOS
d. MonoKernel ANS a
(Multi-choice)
The OS is written as a collection of procedures, linked together into a single large executable binary
program.
Which OS structure is described ?
a. Monolithic
b. MSDOS
c. MonoOS
d. MonoKernel ANS ab
A process is running in user mode and needs a system service, it has to execute ________ to transfer
control to the OS.
a. A trap instruction
b. A procedure
c. System call
d. Switching ANS a
(Multi-choice)
,A process is running in user mode and needs a system service, it has to execute ________ to transfer
control to the OS.
a. A trap instruction
b. An Interrupt
c. System call
d. Switching ANS ab
The shell is ________
a.a piece of firmware that essentially provides a kind of interface for endusers
b.A piece of software that essentially provides a kind of interface for endusers
c.A piece of hardware that essentially provides a kind of interface for endusers
d.Rigid outer covering of an animal ANS b
(Multi-choice)
The shell is ________
a. The commandline interface
b. A piece of software that essentially provides a kind of interface for endusers
c. The UNIX command interpreter
d. Rigid outer covering of an animal ANS abc
The _______ is a file that contains a list of shell command be executed in order
a. Shell scripts
,b. Shell commands
c. None of the others
d. All of the others ANS a
What is the mechanism?
1. The mechanism ensures that all access to system resources is controlled
2. The mechanism detects latent errors at the interface between component subsystems
3. The mechanism protects the system from unwanted intruders
a. Protection
b. Address space
c. Pipes
d. I/O management ANS a
OS manage the system security such as authentication, protecting the system from unwanted
intruders
a. Security
b. Authentication
c. Protection
d. Block access ANS c
What is the below contents described?
1. Making the different programs think they have the hardware on their own
2. The abstraction that is referenced to the set of addresses a process
3. Is decoupled from the physical memory (larger or smaller)
a. The collection of user's or developer's application is used to write or develop the program
b. The collection of user's or developer's address is used to write or develop the program
, c. The collection of user's or developer's interface is used to write or develop the program
d. The collection of user's or developer's space is used to write or develop the program ANS b
(Multi-choice)
1. Making the different programs think they have the hardware on their own
2. The abstraction that is referenced to the set of addresses a process
3. Is decoupled from the physical memory (larger or smaller)
What is the above contents described ?
a. Address space
b. The collection of user's or developer's address is used to write or develop the program
c. System call
d. The thing associates with each process ANS abd
The UNIX command interpreter, or GUI
a. shell
b. prompt
c. command
d. compiler ANS a
(Multi-choice)
Which of these statements about virtual memory are true?
a.Gives the ability to run programs larger than the machine's physical memory by moving pieces
back and forth between RAM and disk
b.Largely magnetictape based
c.Virtual Memory is a external memory
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