Operating Systems

Question 0

What are the 5 types of Operating systems

Answer 0

Batch processing
Single user
Multiuser
Network
Real time

Question 1

What does a OS do

Answer 1

Provides a platform in which application software can run

Controls the hardware

Question 2

What is batch processing

Answer 2

Doing the same task repeatedly but with different input and output files each time.

Question 3

How does batch processing work

Answer 3

Data collected and stored until all if it is available
Is then I out and processed all in one go
Little human intervention required once process has began

Question 4

Name 3 examples of batch processing

Answer 4

Utility bills
Wage runs or pay slips
State pensions

Question 5

What is single user and single application

Answer 5

In single user only one person can use it at a time (can contain multiple accounts but only one can be active at a time)
In single application the is has to only run One simple application

Question 6

What is multi tasking

Answer 6

When the is supports the running of multiple applications at the same time
Os mangoes tasks to shed processing amongst the various tasks being varied out

Question 7

What is multi user

Answer 7

Where one processor and one so supports multiple users or clients
Makes use if a dumb network station
Each program being run is known as a process

Question 8

What is time slicing

Answer 8

Used in multi user to share processing time across all the users

Question 9

What is a network operating system

Answer 9

supports the connection of individual computers with there own OS capable of standalone operation

Question 10

What does a network OS do

Answer 10

Controls user log in process
Supports the network connection
Manages file sharing
Provides security services

Question 11

What is real time

Answer 11

Real time is a system that provides an immediate response to an input and is used to control an action by the computer

Question 12

How does real time work

Answer 12

Produces immediate output in response to a given input

OS will be dedicated to the single task and not multi tasking

Question 13

What are utilities

Answer 13

Utilities are programs that are part of the operating system

Utilities are used to carry out commonly occurring tasks

Question 14

An example of a utilities is file handlers, what do they do

Answer 14

Save routines
Open routines
Delete routines
Print routines

Question 15

Why are back up and archive utilities

Answer 15

Because they are dine for all file types and is therefore part of OS

Question 16

What is backup

Answer 16

Backup is when you make a second copy of a file in case something happens to the other one.

Question 17

What ere the things to think about in a backup procedure

Answer 17

Who will make it
How often
How many copies
What storage medium
Where will it be kept
How long should it be kept

Question 18

What is the difference between a full backup and a incremental backup

Answer 18

A full backup is a backup of the required data where as a nacre mental backup only backs up the data that has changed since the last back up.

Question 19

Why is an archive used

Answer 19

An archive is used to save storage space in the main storage device or user system
Dormant but requires files and takes dormant files and copies them to a different median. (Like old tax records which have to be kept for seven years).