lecture number1

Question 1

operating system

Answer 1

a virtual mechine that is betwenn the SW and HW which is easy to prog by humen and SW as compare to HW.

Question 2

inside OS and define kernal

Answer 2

well inside OS depnds from req to req and it decide what to inckude and what to not
keral : the main part of OS whihc is always uP and runnig
othert than kernal is called system programe.

Question 3

services fo OS

Answer 3

APIs to seprate HW and SW
allow user or application to talk with system without talking with HW

Question 4

study of OS give —————- or OS is —————

Answer 4

abstraction
because it hides how HW works

Question 5

diff stages to make sure in making large computers

Answer 5

1)arch details
2)high level prog lanf
3)mem managment
4)concureny and sheduling
5)file sys and I/O

Question 6

MORES LAW

Answer 6

Moore’s law: the number of transistors in a dense integrated
circuit doubles about every two years