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Undeleted > ict revision > Flashcards

ict revision Flashcards

1
Q

topic 1
data,information and knowledge

What do computers process?

A

Data

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2
Q

What do computers process?

A

data

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3
Q

Topic 1 Data,information and knowledge

What is data?

A

Data is raw facts and fingers

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4
Q

Topic 1 Data,information and knowledge

Give 2 examples of data?

A

Plotting graph to show a trend

Working out the average

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5
Q 
what data type is used for each of the following data:
A) 24
B)36.8
C)£9.99
D)27/09/2003
E)average age of pupils in a class
F)Andrew
A 
A)Integers
B)Decimals
C)Currency
D)Dates
E)Calculated
F)Strings
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6
Q

What is the difference between data and information?

A

A computer processes data to output information

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7
Q

How do u get knowledge from information?

A

People apply rules to information to get knowledge

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8
Q

What does GIGO stand for?

A

Garbage in garbage out

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9
Q

What does encoding mean?

A

When large amounts of data I needs to be entered into a computer system it is encoded.

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10
Q

Give an example of encoding?

A

Gender
M=male
F=female

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11
Q

What are the advantages of encoding data?

A

Coded data is quicker to type in

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12
Q

List 3 interactive services available through interactive digital TV

A

Email
Betting
Dating

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13
Q

Give 2 advantages and 1 disadvantage of using interactive digital TV for betting?

A

2 advantages for betting

1) It’s quicker as you don’t need to travel to a shop
2) Winnings are simply added to your account

1 disadvantage for betting
You need to have a credit card to set up a account,which can encourage you to spend more

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14
Q

Why might some people not want to vote online in government elections?

A

Not everyone has access to interactive television or the internet

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15
Q

What is a input device?

A

A keyboard or mouse

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16
Q

Give 2 input devices and 2 output devices for gaming

A

Input➡️➡️game controller and joystick

Outpit➡️➡️monitor and tv

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17
Q

2 advantages of computer games at home.

A

1) many games are educational and can be used to teach

2) some online game encourage teamwork

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18
Q

2 disadvantages of playing computer games

A

1) Many parents worry about the amount of time their children spend playing a computer game. They can be addictive.
2) Some games are violent and it is through that they cause teenagers to act violently.

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19
Q
  1. Virtual Learning Environments (VLEs) are used in schools.
    Give three uses of a VLE by teachers or students.
    Use 1
    Use 2
    Use 3
A

Messaging: Communicate between teachers and students.
Homework can be sent and revived e.gtests
test result

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20
Q

Name three different electronic methods of registering pupil’s attendance in school. For each method, describe how data is captured and give different advantages or disadvantages for these methods.

A 
Smart Cards / Swipe cards
Plastic cards that contain a chip 
Advantage
Can be used for many other school facilities – e.g. library and canteen 
Disadvantages
Can be lost easily
Online
Teacher registers pupils by computer
Advantage
Can be accessed by all teaching staff
Disadvantage
Takes up teaching time

OMR
Mark made on sheet about whether absent or present
Advantage
Cost can be lower than other methods of registration
Disadvantage
have to be entered manually

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21
Q

(c) The misuse of email can cause problems. State one misuse and give a way of preventing it. Misuse and Prevention:

A

Cyber bullying – email monitoring

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22
Q

Other than health problems, give two disadvantages of playing computer games.

A

Violent games and cyber bullying

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23
Q

Give two advantages of playing computer games.

A

Educational and entertaining

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24
Q 
Input.  Output. Storage
Gamepad.            ✅
Joystick
Monitor
Memory card
Speakers
A

Input,output,storage,output

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25
Q

Digital photography is widely used.

Name an output device used in digital photography.

A

Printer

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26
Q

Name four different features of photo editing software and describe how each is used in digital photography. 4 × 1

A

Resize-able to make a photo fit into a frame
Cropping-making a image smaller
Zoom – to focus on a certain part of the photo
Edit colours - to make black and white

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27
Q

Other than sharing photographs and videos, name two different uses of social networking.

A

Email and wall posts

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28
Q

Other than addiction, give one specific danger of using social networking.

A

Identity theft

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29
Q

The highest recorded temperature was 21°C and this was the warmest day of the week. Is this knowledge,data or information

A

Knowledge

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30
Q

15°C, 14°C, 19°C, 20°C and 21°C. Is this infor,knowledge or data

A

Information

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31
Q

15, 14, 19, 20, 21. Is this infor,knowledge or data

A

Data

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32
Q

Give two other different ways of displaying weather information on a computer.

A

Text and maps

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33
Q

Is player ID a record or field

A

Field

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34
Q

The key field is Player ID. State the purpose of the key field.

A

To make each record unique

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35
Q

if the date of birth is wrote incorrect in a database what could you do prevent it happening again

A

Drop down list

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36
Q

Give two specific advantages of using a spreadsheet for working out the Profit.

A

Draw graphs and accurate calculation

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37
Q

What is information?

A

Information has been processed

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38
Q

What is knowledge?

A

Knowledge has rules rules applied

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39
Q

Give a description of GIGO

A

If the data collected contains errors, the information produced will also contain errors no matter how well it is processed. If we put the wrong data into a computer we will get the wrong results.

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40
Q

What is meant by the term range check?

A

Checks that numbers are between a certain rage

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41
Q

What is meant by the term format check?

A

Makes sure that the correct mix of letters and numbers is entered.

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42
Q

What is meant by the term presence check?

A

Checks that a field is not empty.

43
Q

What is meant by the term check digit?

A

An extra number added to the end of a longer set of numbers. This extra number is worked out by performing a calculation on the longer set numbers.

44
Q

Describe 1 health issue associated with computer gaming

A

RSI➡️➡️ caused by repetitive gaming motions

45
Q

Explain what is meant by a megapixel and explain why they are important when purchasing a new camera

A

A megapixel is one million pixels. A pixel is a spot of light. The more megapixels the better the image quality.

46
Q

Name 3 output devices used in digital photography

A

Printer
Camera screen
Mobile phone screen

47
Q

Give 3 uses of social networking sites

A

Messaging
Post videos
Download music

48
Q

Describe 1 danger of using social networking services

A

Paedophiles may be browsing- no guarantee of indentity

49
Q

What does mms mean?

A

Multimedia messages with images

50
Q

Other than calls or SMS,give 4 other tasks performed by a mobile phone

A

Browsing the internet
Email
Mms
Photograph

51
Q

Provide a definition of the term download

A

Taking a file from the internet and saving it on your computer

52
Q

What is dial up?

A

Modems connect to a telephone line

53
Q

Name 2 ways to connect to the internet and for each one write a advantage and disadvantage

A

Cable. Dis➡️unavailable in some locations. Ad➡️Is a faster connection
Satellite. Dis➡️could be expensive. Ad➡️It allows people to gain high access to the internet

54
Q

Name 2 uses of Bluetooth connection technologies?

A

File sharing

Gand free systems

55
Q

Explain 3 problems with using GIS?

A

Maps not up to date
Causes of accidents
Can send lorries drivers down rural roads

56
Q

Give an example of GIS?

A

Sat navies

57
Q

Why might people not agree with online shopping?

A

Card details could get stolen

58
Q

State 2 reasons why a business may want to switch to online service?

A

Open 24/7

Cheaper rent

59
Q

What is verification?

A

When online shopping and booking sites attempt to stop errors when data is entered into their inline forms

60
Q

What is a visual check?

A

It is when the website allows you to double check if your address is entered correctly

61
Q

What it double keying?

A

When it tells you if have to enter either your email twice or your password

62
Q

What is parity check?

A

To check to ensure that the order you make is received correctly.

63
Q

What is mis stand for?

A

Management information service

64
Q

Registration

What is paper based?

A

Am/pm are logged on a piece of paper by the form teacher.

65
Q

Registration

What is keyboard entry?

A

Marks are typed into a computer

66
Q

Registration

What is OMR?

A

Form teachers log whether pupils are present by shading in a box on a sheet.

67
Q

Registration

What is smart cards?

A

These cards contain a chips and San hold a lot of information

68
Q

Registration

What are magnetic strip cards?

A

Are used to enable pupils to swipe into school,these contain less information then smart cards

69
Q

Registration

What is biometric?

A

Pupils can scan their fingerprint or eyes to log their attendance each day.

70
Q

Give 2 forms a BIS might take place?

A

Pupils can change their marks

Hard to change mistakes

71
Q

Who are MIS used for?

A

Manganese

72
Q

What do MIS provide?

A

The data they need to make decisions

73
Q

Give 1 advantage of MIS?

A

Writing timetables

74
Q

Give 1 disadvantage of MIS?

A

MIS can be very expensive.

75
Q

Where is data logging used?

A

Schools for science experiments

76
Q

Name 2 ways which logging data may be analysed using a computer?

A

Performing calculations

Producing charts

77
Q

A weather report tells you to expect strong winds in the north and highest temperature in the South. What 2 sensors would have been used to collect this data?

A

Wind

Heat

78
Q

What is on screen help and shortcuts?

A

Shortcuts enable you to carry out common tasks

79
Q

What is folder management?

A

Can easily create folders to organise files

80
Q

Give 3 common tasks you may carry out using an operating systems control panel.

A

Security
Hardware settings
Software settings

81
Q

Describe what the term shortcut in desktop environment.

A

To carry out a common tasks

82
Q

Name 3 devices and 3 software types to help learners with disabilities

A

Microphone➡️mobile phones voice record
Touch screen➡️iPads,TVS phones e.c.t
Voice recognition ➡️Siri on apple products

83
Q

Describe what is meant to install a new application

A

An application is a piece of software that allows you to carry out a particular set of tasks

84
Q

Describe an information source,with reasons,to find the latest share price

A

The internet because it is up to date

85
Q

A teacher is searching a MIS. He wants to find students in the form class of 10M who opted to take the subject of art. Write the query terms that he would need to enter into a computer using the form operator criteria.

A

Form class =10m AND subject=art

86
Q

Explain the relationship between fields,records and files

A

A field is a particular item of data a record is a collection of fields,a file is a collection of records

87
Q

Give 3 features of a report produced by a database management system.

A

Date
Page number
Title

88
Q

What does this mean >0?

A

Grater than 0

89
Q

What is CC?

A

Carbon copy. People can see other addresses that you have sent a group email to.

90
Q

What is BCC?

A

It’s blind carbon copy. People cannot see other addresses that you have sent a group message to.

91
Q

How do you stop viruses when using email

A

Virus scanning software

92
Q

Write down a suitable function to find the average test scores in cell range B23:B 30

A

AVERAGE(B23:B30)

93
Q

Give 3 formatting techniques to improve the appearance of a spreadsheet

A

Borders
Font
Currency

94
Q

What does this do $

A

To stop the relative cell reference from happening

95
Q

Explain what is meant by the term spreadsheet model

A

Changing data

96
Q

Compose a formula to add the contents of absolute references A1,B4 and C7

A

$A$1+$B$4+$C$7

97
Q

Describe what is meant by feedback/non feedback in control systems

A

Feedback is where the output affects the input. Non feedback is where the output has no effect on the input

98
Q

What causes RSI?

A

Repeatedly typing using a keyboard

99
Q

What is the meaning of information?

A

Information is data that has been processed by a computer and been given a meaning

100
Q

What is knowledge

A

Knowledge is obtained by applying a set of rules to the information to make a decision based on it.

101
Q

What is transcription errors

A

These are mistakes made when typing data into a computer

102
Q

What is transcription errors

A

These are mistakes made when typing data into a computer

103
Q

What is transposition errors

A

When letters or numbers are entered in the wrong order. These mistakes are easily made when data is entered quickly.

104
Q

What is transposition errors

A

When letters or numbers are entered in the wrong order. These mistakes are easily made when data is entered quickly.

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