OS 1.1

Define ‘spooling’

• Process of letting the operating system perform multiple task at what seems to the user simultaneously.

• A process of transferring data by placing it in a temporary working area where another program may access it for processing at a later point in time.

• Copying information into faster storage system; main memory can be viewed as a last cache for secondary storage.

• Multiprogramming increases CPU utilization by organizing jobs so that the CPU always has one to execute.

Which one of the listed OS structure lets each layer communicate exclusively with layers next to it?

• a) Monolithic

• b) Layered

• c) Microkernel

• d) Networked and distributed

What does NOT differentiate an open source operating system to closed source operating system?

• a) the source code

• b) the user's right

• c) the license

• d) the font type

"There is ONE main CPU capable of executing a general-purpose instruction set, including instructions from user processes." This describes...

• a) clustered system

• b) single processor

• c) multiprocessor system

This statement describes ______. (one word only) “ONE program that runs all the time on the computer whenever the power is turned ON.”

• a) Shell

• b) Kernel

• c) Filesystem

• d) Spooling

Which of the following is NOT TRUE about operating system?

• Collection of programs that manages hardware resource.

• System service provider to the application programs.

• Link to interface the hardware and application programs.

• Operating systems slow down the performance of a computer.

Which of the following type of operating system structure indicate figure above? (Picture is slightly different to notes, however they show same important feature of this particular structure)

• Monolithic

• Layered

• Microkernel

• Microkernel

Refer to the figure, select the correct arrangement of the components of operating system. (arrangement of ascending i, ii, iii refer to the figure)

• Hardware, Kernel, Shell

• Shell, Hardware, Kernel

• Shell, Kernel, Hardware

• Kernel, Shell, Hardware

Which of the following in not an Operating System?

• Mac OS

• Window Explorer

• Linux Red Hat

• SUN Solaris

To access the services of operating system, the interface is provided by the ____

• System calls

• API

• Library

• Command Line Interface