Quiz 1 Chapters 1 & 2
Part 1 of 1 -
Question 1 of 10
_ is used to tranfer an entire block of data directly to or from its own buffer storage to memory
without any intervention by the CPU.
What are the three main purposes of an operating system?
Purposes of an Operating System
An operating system is required to provide a convenient environment for the user to perform
tasks on the computer hardware in an easy and
What is the purpose of System Calls
A system call is a program that describes how a program requests a service from kernel of
operating system- This may include services like accessing hard disk, executing and creating
new processes and defi
4.1 Provide two programming examples in which multithreading provides better performance
than a single-threaded solution.
Multithreading in programming languages
To execute any application program, a number of threads (light weight processes) ar