Test Corrections Unit 1

Question 1

Identify one item of data and one piece of information

Answer 1

Anything from the code or mark column

Average mark= 67
Maths 2 gcse equivalence = b
Mark for computing is 51

Question 2

A student scores 51, state the most appropriate data type for storing the students score.

Answer 2

Integer or Numeric. NOT NUMBER

Question 3

True or false - a vector image can be stretched without a loss of clarity

Answer 3

True

Question 4

What effect does resolution have on an image file size?

Answer 4

High resolution, larger file size, image size, more pixels the larger the file/image size.

Question 5

State the term that describes a pre-formatted layout into which data can be added.

Answer 5

Template

Question 6

List 2 resources managed by the operating system in a computer system

Answer 6

Memory/ram allocation
Storage
Processing time/task scheduling
Peripherals

Question 7

What software group does defragmentation belong to?

Answer 7

Utilities (programs/software/application)

Question 8

What is The Internet of things?

Answer 8

Connection via internet of digital devices enabling them to send and receive data or
Physical devices connected to the internet
DO NOT ACCEPT THINGS

Question 9

Give 2examples of Internet of Things?

Answer 9

CCTV
Smart bulbs
Smart heating system

Question 10

A template is…?

Answer 10

A standard layout for a document which can be reused

Question 11

A macro is…

Answer 11

A set of commands recorded to perform repetitive tasks or is clicked on to perform a repetitive task eg printing a report

Question 12

What role does the Immediate Access Store play in the CPU?

Answer 12

Stores programs temporarily while they are being used.
Stores data while it’s being used

Question 13

What are the 3 main components of the CPU?

Answer 13

Control unit
Arithmetic Logic Unit
Immediate Access Store

Question 14

What is the role of a protocol in data transfer via a network?

Answer 14

Set of rules to allow transfer of data between 2 communication systems

Question 15

What does FTP stand for?

Answer 15

File Transfer Protocol

Question 16

A program used by hackers to try to gain access to users systems?

Answer 16

Trojan horse

Question 17

Software used by hackers to capture passwords and bank details

Answer 17

Spyware

Question 18

A program that replicates itself using up memory space

Answer 18

Worm

Question 19

Name the validation check for:
Fee_payable should be between 20 and 100

Answer 19

Range

Question 20

Name the validation check:
Description should be no longer than 35 characters

Answer 20

Length

Question 21

What is encryption?

Answer 21

A special type of software that scrambles or encodes data so it’s meaningless if intercepted. Needs an encryption key to unscramble

Question 22

What can a firewall do?

Answer 22

Monitor in coming/outgoing data so prevents spam and viruses entering the network, prevent unauthorised access to the network, provide information on unauthorised access

Question 23

How do firewalls protect a network?

Answer 23

Monitor incoming/outgoing data, filters data to prevent it being hacked, operates based on rules

Question 24

Explain the processing activity ‘batch’

Answer 24

Processing data all together during processor downtime

Question 25

Explain the term backup

Answer 25

Duplicate files/data made to ensure no data is lost by accidentally being deleted or overwritten. Stored on a separate storage device, cloud or server

Question 26

State 3 benefits of connecting computers together in a company network.

Answer 26

Able to share files Share software and hardware Access files from any computer Share peripherals

Question 27

What is an NIC

Answer 27

Network interface card

Question 28

What is the purpose of a network interface card?

Answer 28

To connect a device to a network or server To connect a device to the internet

Question 29

What is a communication protocol?

Answer 29

Rules set to define methods of data communication between different devices for sending and receiving data on a network

Question 30

What is meant by a phishing attack?

Answer 30

When a hacker/scammer sends an email impersonating a person or legitimate company to get information from the user

Question 31

2 advantages of cloud computing

Answer 31

Access data anywhere with internet connection Cloud services handle back up Cloud services handle security

Question 32

Describe the functions of a router

Answer 32

Wireless access to internet on multiple devices at the same time Connects WAN to LAN network Firewall and security on the network Ip allocation

Question 33

What is the application the World Wide Web uses to function?

Answer 33

Internet

Question 34

The World Wide Web is the ________ that runs on the Internet?

Answer 34

Network

Question 35

State 2 disadvantages of a ring network

Answer 35

If one node closes, they all shut off Information is passed through other nodes

Question 36

What is the function of the utility software- defragmentation?

Answer 36

Rearranges data and files to free storage space Reduces time to access data

Question 37

What is the function of the task scheduling utility?

Answer 37

Auto run tasks eg back up and virus checks Time slicing to get maximum use of the processor which creates the appearance of no interruptions

Question 38

Main functions of an operating system

Answer 38

Provides an interface between user and the computer Allocate RAM to programs and data currently being used Control peripherals Manage processing time Error handling eg printer isn’t switched on

Question 39

Give 3 examples of utility programs

Answer 39

Disk defragmenter Task scheduling Back up/Restore

Question 40

Name 2 modes of processing

Answer 40

Batch Real time

Question 41

What does CSV stand for?

Answer 41

Comma separated value

Question 42

Name the type of data file

Answer 42

CSV

Question 43

List 3 ACCESS steps an organisation can use to stop hackers gaining entry to a computer system

Answer 43

User codes Login IDs Passwords Different levels of access 2 factor authorisations

Question 44

2 examples of software an organisation can use to prevent hackers gaining access to a computer system

Answer 44

Firewall Encryption

Question 45

2 forms of social media misuse

Answer 45

Cyber stalking Cyber bullying

Question 46

Why does a computer need a hard drive

Answer 46

To store data, files and software not currently in use

Question 47

What is mean by cloud computing

Answer 47

Where files and programs can be accessed remotely through the Internet.

Question 48

3 advantages of cloud computing?

Answer 48

Remote global access to files Collaborative working Backup and software updates dealt with automatically Share files Unlimited storage

Question 49

2 risks of cloud computing

Answer 49

Hacking Viruses in the system infect all files If there’s a problem there’s downtime Need good stead internet connection

Question 50

In relation to databases, data is stored in a ________ and a ________ is made up of several files

Answer 50

Table Record

Question 51

What does IAS stand for?

Answer 51

Immediate Access Store NOT STORAGE!

Question 52

Explain the process an organisation can use to ensure students can download a video quickly

Answer 52

Compression Remove detail Reduce the file size

Question 53

What is meant by bit depth when referring to a sound recording?

Answer 53

The number of bits in a sound sample

Question 54

Describe what is meant by Denial of Service?

Answer 54

Involves computer sending large volume of requests to a server to overload the system with traffic and prevent the system from functioning. The requests slow down the system. May take website offline. Server has difficulty answering legitimate requests.