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Question 1

state any 5 services of operating system

Answer 1

Program development
Program execution
Access I/O devices
Controlled access to files
System access
Error detection and response
Accounting

Question 2

waht is process? explaine in short

Answer 2

A process is a series of actions or steps taken to achieve a specific result.

Question 3

what are the reason for Evolution of Operating Systems

Answer 3

hardware upgrades

new types of hardware

new services

Fixe

Question 4

diffrereint between primary memory and secendare mamory?

Answer 4

primery memory: is the temprore data that cpu needed to run program and can not save the data for long time .
sacndrey memory : is the memory wher the primery memory take data from it and secandry memory can save the data for long time .

Question 5

what is Time-Sharing Systems ?explain in brief(مختصر)

Answer 5

They are computer systems that allow multiple users to access computer resources at the same time.

Question 6

iffereint between uniprogramin and multiprograming ? in brief answer

Answer 6

Uniprogramming runs one program at a time, while multiprogramming allows multiple programs to run at the same time.

Question 7

state the major constraint in memory managemant?

Answer 7

process isolation
Automatic allocation and management
Support of modular programming
Protection and access control
long term storage

amount
speed
expense