Role of the operating system

What is an operating System

• A piece of hardware
• A set of programs to create documents
• A set of programs that manages the operations of the computer for the user
• The boot up program

An operating system is required because....

• it boots up the computer
• it acts as a bridge between the user and the computer's hardware
• it is the hard drive

The operating system is held.....

• in permanent storage and loaded into RAM when the computer is booted up
• in the loader program
• in the boot up program

Which of the following is NOT a function of the OS?

• Creation of a Virutal Machine
• Memory Management
• The colour of the machine hard drive

Processor scheduling is one of the functions managed by the OS.  Which one is a scheduling method used by the scheduler

• Round To It
• Round Table
• Round Robin

What is meant by multi-tasking?

• The computer executes more than one instruction at a time
• The processor carries out small parts of multiple larger tasks in turn, very quickly
• Doing more than one job at the same time

Memory Management involves take care of the applications in RAM.  This involves

• Allowing the user to switch from one application to another
• managing the allocation and management of the space in RAM
• Both of the above

Memory Management involves take care of the applications in RAM.  This involves

• Allowing the user to switch from one application to another
• managing the allocation and management of the space in RAM
• Both of the above

A virtual machine is

• a pair of glasses you can see things in
• The GUI the user uses to interacte with the computer

If there is not enough RAM.  Virtual memory is created by the Operating System.  Virtual memory is

• memory that is not real
• part of the hard drive allocated as RAM
• a type of sheep
• a type of goat