Unit 5 and 6

Question 1

What’s an operating system?

Answer 1

AKA system software

Manages general running and functions happening

Question 2

What r the jobs it does/runs?

Answer 2

Memory management 
Hardware/peripheral “”
File “”
Security “”
Resource/process “”
User interface

Question 3

What’s is the user interface?

Answer 3

(Often) graphics that make computer easy to navigate

Question 4

What does security management do?

Answer 4

In charge of backups/recovery
Data privacy aka encryption
Anti-hacking preventions

Question 5

What does memory management do?

Answer 5

Protects data via having 1 item per location
What out how much processing/time each process needs
Works out what’s in use and what’s stored in Virtual RAM

Question 6

Worms

Answer 6

Type of virus that is independent and replicates in order to spread to other computers or networks

Question 7

Data integrity

Answer 7

When data is accurate and is up to date

People storing data have to have it so that you can Trust that they’re serious about keeping your day to safe

Question 8

What does the hardware/peripheral management do?

Answer 8

Accesses the device drivers

Controls peripheral use via processes like program instructions

Question 8

What r the responsibilities of the security?

Answer 8

Data recovery/backup
Data privacy I.e encryption
Preventing intruders

Question 9

Data privacy

Answer 9

Keeping Personal data from the public domain

Question 10

Malware

Answer 10

Malicious software that has been put into a software to harm it

Question 11

Breached data

Answer 11

Lost or corrupted data

Question 12

Virus

Answer 12

Program (code) that can replicate and/copy itself In order to delete/corrupt Files or cause On an active computer to malfunction

Question 13

Pharming

Answer 13

Installing malicious code on a computer or web server, redirecting unknowing user to a fake website to get hold of personal data
Passive form

Question 14

Data security

Answer 14

Data is secure if you can get to it and what’s available is the original

Question 15

Logic bombs

Answer 15

Like a time bomb that can do things such as deleting files/sending data to a hacker
Embedded into a program

Question 16

Trojan horses

Answer 16

Malware disguised as legitimate software, replacing or/part of the legitimate software to do harm

Question 17

Internet robots a.k.a. bots/zombie viruses

Answer 17

Not always harmful

Take control over computer system and can launch attacks

Question 18

Spyware

Answer 18

Software that watches for information such as what keys are pressed on the uses keyboard
A.k.a. key logging

Question 19

Validation

Answer 19

Way of ensuring that the data entered is correct, Like when Your password is checked
Not the same as verification

Question 20

Verification

Answer 20

Way of making sure that the data put in is correct by using a visual check or getting them to enter it twice
Not the same as validation

Question 21

What’s file management in charge of?

Answer 21

The naming conventions
User access measures
Directory structure

Question 22

Phishing

Answer 22

Sending legitimate look in emails with links/attachments that take users to fake websites or get them intoParting with personal data
Active form of malware

Question 23

Check digit

Answer 23

Digit added to a number to check if the data entered is error free

Question 24

Parity check

Answer 24

Way of checking if data transferred over network is odd/even via 1 bit

Question 25

Incremental backup

Answer 25

Backup software that backups the edited stuff

Question 26

Inconsistent state

Answer 26

Backups done when the user feels like it

Question 27

What does resource/process management handle?

Answer 27

Resolving conflicts-which processes that want the same resource should get it 1st and how long?
Scheduling which process gets CPU and for time period

Question 29

Checksum

Answer 29

Checks if transfer data has been changed or corrupted

Verification method