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1. What is a model? What do we use them for in engineering school? 2. Give two d

ID: 3880605 • Letter: 1

Question

1. What is a model? What do we use them for in engineering school?




2. Give two different definitions of Operating Systems.





3. Explain what TimeSharing systems are and how their technology applies to today.






4. What is the purpose of a distributed Operating System?






5. What is a “system call”? What is its purpose?




6. Cloud computing has been made possible by (choose just one)
a. cheap and powerful processors, monitors and disk storage
b. fast and reliable internet
c. cheap and powerful processors and disk storage
d. a and b
e. b and c

Explanation / Answer

2)Answer:

Operating system:

Operating system is nothing but set of programs run on a computer.you can use operating ystem to control the system.It means  it is possible for a software application to interface directly with hardware.

definition 2:

Every personal computer or any computer must and should want an interface between software and hardware that is an operating system.It is to run other programs and applications. OS perform basic operations, they are take the input, give the output to the display screen, keeping track of files and directories on the storage drives, and controlling peripheral devices, such as printers.