OCR Computer Science Paper 1

OCR Computer Science Paper bn bn bn b


1 n


1.What is the purpose of systems software?: Software designed to
bn bn bn bn bn bn bn bn bn

run or maintain a computer
bn bn bn bn bn


2.Describe the functionality of systems software.: It controls the operat
bn bn bn bn bn bn bn bn bn

ions of computer hardware
bn bn bn


3.What is an operating system?: A piece of software responsible for ru
bn bn bn bn bn bn bn bn bn bn bn

nning the computer, managing hardware, applications, users and res
bn bn bn bn bn bn bn bn

ources
4.What are the 5 things that operating systems are used for?: providin
bn bn bn bn bn bn bn bn bn bn bn

g a UI, memory management/
bn bn bn bn

multitasking, peripheral management and drivers, user management
bn bn bn bn bn bn

, file management
bn bn


5.What is utility software?: Software designed to help maintain a com
bn bn bn bn bn bn bn bn bn bn

puter sys- tem bn bn

6.What is encryption software?: Software used for encrypting data
bn bn bn bn bn bn bn bn

7.What is defragmentation software?: Reorganising data on a hard dri
bn bn bn bn bn bn bn bn bn

ve to put broken up files back together and collect up the free spac
bn bn bn bn bn bn bn bn bn bn bn bn bn

e
8.What is data compression?: The process of making the size of a file
bn bn bn bn bn bn bn bn bn bn bn bn b

maller
9.Give the 2 types of backup.: full and incremental
bn bn bn bn bn bn bn bn

10.What is Hacking?: Illegal access or attack on a computer network o
bn bn bn bn bn bn bn bn bn bn bn

device bn

11.What is malware?: Malicious software created to damage or gain ille
bn bn bn bn bn bn bn bn bn bn

gal access to computer systems
bn bn bn bn


12.What is Phishing?: When criminals send emails or text to someone
bn bn bn bn bn bn bn bn bn bn bn

claiming to be a well-known business. bn bn bn bn bn


13.Describe social engineering.: A way of gaining illegal access to da
bn bn bn bn bn bn bn bn bn bn

ta or net- works by influencing people.
bn bn bn bn bn bn


14.What is a Brute Force Attack?: A network attack which uses softwar
bn bn bn bn bn bn bn bn bn bn bn

e to crack security passwords through trial and error.
bn bn bn bn bn bn bn bn


15.What is a Denial of Service attack?: A network attack which stops u
bn bn bn bn bn bn bn bn bn bn bn bn

sers from accessing a part of a network or website.
bn bn bn bn bn bn bn bn bn


16.What is data interception and theft?: When data is intercepted when
bn bn bn bn bn bn bn bn bn bn bn

travelling across a network. This can be done through packet sniffing
bn bn bn bn bn bn bn bn bn bn b

nor having a wireless connection.
bn bn bn bn


17.What is SQL injection?: A piece of SQL code which can be typed in
bn bn bn bn bn bn bn bn bn bn bn bn bn

to an input box to try and attack the SQL database
bn bn bn bn bn bn bn bn bn bn


18.Give an example of a poor network policy.: unencrypted data, no use
bn bn bn bn bn bn bn bn bn bn bn

r access levels, no passwords, no anti-malware or firewall software
bn bn bn bn bn bn bn bn bn


1bn/
bn7

, OCR Computer Science Paper
bn bn bn b


1 n


19.What is penetration testing?: The process of simulating attacks on
bn bn bn bn bn bn bn bn bn bn

a network to identify its weaknesses
bn bn bn bn bn

20.What does network forensics involve?: monitoring the traffic on a ne
bn bn bn bn bn bn bn bn bn bn

work
21.What is a network policy?: A set of rules and procedures an organi
bn bn bn bn bn bn bn bn bn bn bn bn

sation will follow to ensure their network is protected against attacks
bn bn bn bn bn bn bn bn bn bn




2bn/
bn7