Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

ICT > ICT Unit 1 > Flashcards

ICT Unit 1 Flashcards

1
Q

What is data and give an example?

A

Data is raw facts or figures

e.g. data can be readings from survey facts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is information and give an example?

A

Information is data that can be processed to give it meaning.
E.g. e.g students finished the race in 60 seconds, 20 seconds and 30 seconds.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is knowledge and give an example?

A

Knowledge is information when rules has been applied to it.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What does GIGO stand for?

A

Garbage in Garbage out.

If something wrong is input into a computer, then something wrong will output once it has been processed.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is range check and give an example?

A

Range check- checks that numbers are between a certain range. e.g a movie site would check that a date of birth is before a certain date before renting 15- rated movies.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is format check and give an example?

A

Format check makes sure that the correct mix of letters and numbers is entered.
E.g shopping websites may restrict postcodes to a combination of letters and numbers.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is presence check and give an example?

A

Present check, checks that a fields is not empty.

e.g when signing up to a social networking site, the username field has to be filled in.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

When entering data, transcription errors could occur.. how would you minimise these errors?

A
  • Double-Keying data by entering its twice and checking both are the same
  • Visually check before submitting data by proofreading.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Why is it important to check that the data is of good quality?

A

if the data isn’t of good quality, then there is a danger of GIGO when it is processed.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Characteristics of good quality data

A

Accuracy - data must be true or correct.
Fitness for purpose - the data must be suitable for what you want it to do.
Bias - data should not favour a particular result.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Interactive TV services- Shopping:

A 
Use- you can make small purchases or even order a pizza using smart tv's
Adv-                          
- Quicker to use      
- No crowds            
- More variety          
- Send gifts 
 Disv-
- Need a debit card( may feel unsafe)
- cant see goods uprfront before you buy
- Items not arriving in time
- items could get damaged
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Interactive TV services - Betting

A

Use- people can bet on a wide variety of sport events
Adv-
-winnings are paid into bank
- convenience
- easily accessible
- more private
Disv
- excitement is lost because doing it online instead of live
- could lead to addiction
- could lose
- not between real people consistently

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Interactive TV services- Dating

A

Use- allows people to meet others through the TV
Adv-
- good for shy people
- more potential matches
- Saves time
- Convenience
Disv
- care is needed.
- Distance is a barrier
- Expectations aren’t met
- Security issues

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Interactive TV Services - Voting

A

Use - in the future it is possible that UK may allow people to vote online.
Adv- More people may vote because they don’t have to find a polling station
- its cheaper because fewer people to count votes would need to be employed
Disv-
- They’re is a danger of fixing votes if technology is used
- It is also unfair for those that don’t have internet connection.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Interactive TV Services- Gaming

A
  • Input - Joysticks, steering wheels or game controllers
  • Out put - speakers and television equipment
  • some games can be played online or played on consoles e.g PS3/ Xbox or wii
  • advs - Some educational titles can be used to make it more enganging for children
    - some online gamers may develop team working skills
  • disvs- it can lead to obesity but PS3 Move are changing this
    - Repetive Strain Injury can be caused by repetitive gaming motions
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

How can computers be connected to the internet? Broadband:

A

Broadband- connects to the internet using a high speed data link
Adv- Its much faster
- it allows you to use the telephone and connect to the internet at the same time
Disv- High monthly charge
-Is still not available in countryside areas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

How can computers be connected to the internet? Mobile:

A

Mobile- using your mobile phone you can connect to the internet via a mobile company
Adv- Its more convenient, you can connect from anywhere
Disv- network coverage can lead to some areas having poor internet access

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

How can computers be connected to the internet?

Cable:

A

cable- cable internet can come with bundle tv and landline packages
Adv- they can provide very fast internet connection
- affordable way to gain high speed connection
Disv- not all areas have cable internet providers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Types of Technology: Wireless

A

Wireless technology enables you to the internet in public such as - restaurants, airports etc.
Adv- No wires needed
- fewer restrictions on where speed internet connections are avalible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Types of Technology: Bluetooth

A

Bluetooth- bluetooth can be used to operate a wireless keyboard/ mouse and share files between devices.
Adv- Its wireless so no cables needed.
- quick to set up
Disv- can only be used to connect devices in the same room.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Types of Technology: GIS (graphical information system)

A

GIS- GIS are systems which manage and display geographical info. e.g tom-tom.
Adv- You can save money by using shorter routes and save time.
Disv- Sometimes mapping isn’t up to date which is inconvenient.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What do MIS (management information systems) do?

A

they provide managers with the data they need to make decisions and strip away

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Uses of MIS?

A

time table, behaviour issues and attendance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Advs and Disvs of MIS?

A

Adv-
- teachers are able to focus on planning lessons
- can be used for writing patterns
Disv-
- MIS software can be expensive
- adequate security is needed because of personal data.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

what are VLE

A

Virtual learning environments emerging which enable pupils to gain access to resources or make test online

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

weather forecasting systems

A

they predict what the weather will be like, they do this by using sensor readings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Adv and Disv of weather forecasting systems

A

Adv-
- sensors can take readings accurately and never miss a reading
Disv-
- There is a worry that we rely on technology too much

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Online tutorials

A 
- websites may provide text and image to help you learn about a topic
adv-
material can be available at any time
- be kept more engaged with ict
-learn at own pace
disv
-miss out on social interaction
-teacher not available to explain things
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

VLE adv disv

A

adv
-teachers can upload presentations etc marked by computer
- students can see marks online
disv
- it may take some time for both staff and students to familiarise themselves with the VLE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Advantages and disadvantages of online shopping: customer

A

Adv-
- goods can be purchased any time
-Disabled or people that live far don’t have to leave the house
-goods are cheaper online
Disv-
- cannon try on clothes before buying
- risk of unauthorised use of finical details —> credit card fraud

31
Q

Advantages and disadvantages of online shopping: Business

A

Adv-
- wider customer base
- cheaper because no stores need to be rented
Disv-
- if the server fails,no business can happen
- not everyone has internet so some customers can be lost
- high initial cost

32
Q

What is verification?

A

stopping error when data is entered on their online forms

33
Q

people using online sites perform?

A

visual checks ( double check address) and double keying ( asking you to enter your email or password twice) and parity check ( to ensure the order you make is received correctly

34
Q

Booking sites are use to?

A
  • book holidays

- flights

35
Q

Advantages/Disadvantage of online booking: Customer

A 
Adv-
- booking can take place from home
- can access reviews of hotels before you leave
Disv-
- some booking sites may not be genuine
- not everyone has the internet at home
36
Q

Advantages/Disadvantage of online booking: Business

A

Adv-
- don’t have to pay wages for staff to input data
- its cheaper
Disv-
- booking/travel agencies may close due to unemployment
- package tours may die out because people are creating their own package holidays

37
Q

Online Assessments

A

online system which manages most aspects of teaching
Adv-
- multiple choice questions can be marked instantly
- saves teachers time– only have to mark verbal style questions

38
Q

learning devices and software which can help students with disabilities:

A

Braille keyboard- helps the visually impaired
Voice recognition software - this software recognises the words being spoken into a microphone
Touch screens - operated by those with poor motor skills

39
Q

Email advantages and disadvantages

A 
Adv- 
- Email is quick
- can easily attach files
- less paper which is better for the environment
disv-
- File attachments could contain harmful viruses
- a lot of spam or junk emails sent 
- Email accounts could be hacked into
40
Q

How to prevent a virus through email?

A
  • spam filters to reduce junk email received
  • virus scanners
  • parental controls can be used to filter out abusive language
41
Q

Control system process:

A

1) data from sensors is first processed by a computer

2) computer then decides whether or not to send a control signal to other devices such a lights

42
Q

Control systems come in two types:

A

Feedback systems- this is where the output of the control system changes the input e.g the heating systems output is heat
Non-feedback systems- this is where the output of the control system does not affect the output
e.g burglar system with a pressure pad, PIR light beam and body heat sensor

43
Q

Control systems examples-

A
  • Toys- some have PIR sensors to make sound or movement when someone moves near
  • Gaming- the Playstation eye can detect the play station move using light sensors
  • Smart meters- sensors can measure and record how much electricity is being used
44
Q

Problems and Prevention:

A

RSI-
- repetitive typing
prevention- take breaks and use a wrist rest

Eye strain-
-Having too much glare on the screen
Prevention- use anti glare glasses to reduce glare

Backache-
- not sitting with a proper posture in your chair or not working with enough space
Prevention-use a chair which can be adjusted properly, use a foot rest

Stress-
- worrying about keeping up with technology or using poorly designed software
Prevention- Train all staff to use the software correctly and test all software

45
Q

Registration systems: Smart Cards

A

-cards that contain computer chips
Adv-
- hold more data that swipe cards, they can act as payment cards in canteens or record library loans
Disv-
- reliance on the ICT system
- if the system goes down registration would be a problem.

46
Q

Registration systems: Biometric

A

pupils can scan their fingerprints to log their attendance each day
Adv-
- students do not have to remember things like card
- impossible for other students to mark in someone else
Disv-
- Biometric is expensive
- some parents worry about the privacy of a finger database

47
Q

Registration systems: Magnetic strip cards

A

Cards used to enable pupils to swipe into school
Adv-
- affordable to purchase and manufacture
Disv-
- Pupils can ‘swipe in’ others that aren’t present
- cards can be forgotten

48
Q

Registration systems: Optical Mark Recognition

A

teachers log whether pupils are present by shading a box on a sheet, these sheets are then batched and scanned into the computer
Adv-
- A lot of multiple choice tests are marked using OMR
- initial cost of purchasing an OMR reader may provide more value for money
Disv-
- Registers are batch processed so they are not ‘live’ or real time’
- latecomers would not be registered if late

49
Q

Examples of emerging technology?

A

Webcams

50
Q

ICT in schools- VLE

A

VLEs are emerging which enables pupils to gain access to resources and take tests online

51
Q

Advantages and disadvantages of VLEs to pupils and staff:

A

Advantage to pupils: pupils can gain access to feedback and grades any time
Disadvantage to pupils: Not every pupil has access to the internet

Advantage to staff: Teachers can spend more time on planning
Disadvantages: Teacher need to be trained on using new technology

52
Q

What are spread sheets used for?

A

used to perform calculations using a computer

53
Q

3 main parts of spreadsheets and what they are/ do?

A

Labels- are headings explaining the data
Data- the text or numbers you type in
Formulas- are automatic calculations

54
Q

4 main types of formula used in spreadsheets:

A

=A1+B1 - the plus sigh adds up cells A1 and B1
= A2-B2 - the minus sigh takes away B2 from A2
= A3*B3 - the asterisk sign multiplies A3 by B3
=A4/B4 - the forward slash divides A4 by B4

55
Q

What are functions?

A

more advanced calculations that the spreadsheet can do.

56
Q

Functions and what they can do:

A

=SUM(A1:E1) - this sum function adds up all the cells A1-E1
= AVERAGE(A1:E1) - average will find the average of cells A1 - E1
=IF(a1>49,”Pass”,”Fail”) - If functions make decisions
=MIN(A1:E1) This finds the smaller number in the range of A1-E1
= MAX(A1:E1) this finds the largest number in the range of A1-E1

57
Q

formatting techniques:

A

formatting techniques can be used to improve a spreadsheet, such as:

  • coloured borders, or line that can be added to the edge of each cell.
  • cells can be merged or combined together
  • the font can be changed e.g font style, colour, bold or italics
  • the background fill tool can change the colour of the cells
58
Q

What are databases used for?

A

used to store and organise large amounts of data of a computer

59
Q

Searching databases

A

you can search a database by creating queries. queries are writing in the form of field- operator-criteria

60
Q

Data Types:

A 
Number - stores numbers only
Text - stores letters, numbers and spaces
Date - only allows dates to be entered
Time -  only allows time to be entered
Currency - must begin with a $ or £
Lists - where the user is given a list of choices they can pick from a drop down menu
Picture - pictures of products or people
Sound - used to organise sound or music
Video - organises video files
61
Q

Fields, records and files:

A

fields are columns of particular data
Records are rows - a collection of fields
files are sometimes called tables, a collection of records.

62
Q

what’s a key field?

A

a field that holds unique data

63
Q

Validation checks/ rules

A

lists: you are forced to make a choice from the drop down list, unalloyed data cannot be entered
Range check: Range checks can make sure only sensible data is entered
Format check: to check that the right amount letters and numbers have been entered.

64
Q

Advs and disvs of databases

A

Advs-
- can store loads of information
Disv- constantly needs to be updated if data is incorrect

65
Q

Images can be manipulated by?

A

using image manipulation software on your computer, images can be cropped, have red eye reduction and filters can be applied

66
Q

Megapixels

A

Mega pixels are used to compare the quality of images taken by digital cameras. the more megapixels the better the quality however the higher image quality requires more storage

67
Q

Webcams

A 
used to transmit still photos and videos across the internet
Advs-
- Instant communication and response
Disvs-
- can be hacked by paedos 
- inappropriate material
68
Q

Social Network Advs & Disvs

A 
A-
- Allow people to communicate using the internet
- post videos/photos, download music
D-
- Bullying/ cyberbullying
- Identity theft
- lack of privacy
69
Q

Advs/ Disvs of downloading music/ online radio and mobile phones

A

> Downloading music
A- available at any time, you dont have to buy the whole album and no storage space is required for CD’s
D - risk of viruses and getting internet blocked
Online Radio
A- wider variety of stations
D- a fast connection is needed to avoid delays
Mobile phones
A- useful for emergencies , parents may have issues with kids using phones
D- can cause disruption or car accidents

70
Q

Weather Forecasting Sensors

A

Temp- for logging temperatures outside
Wind- measuring wind forces
Pressure- for measuring atmospheric conditions
Humidity- measures moisture in the atmosphere
Rain- For measuring rainfall

71
Q

Desktop environment

A

Desktop environment is a GUI which enables you to make changes based on your preferences
- make icons larger if you’re visually impaired
change colour scheme if you’re colour blind
- change desktop wallpapers

72
Q

Email features

A
  • CC - carbon copy, people can see other addresses that you have sent your group email too
  • Bcc -Blind carbon copy, people can’t see other addresses that you have sent your group email too
73
Q

validation?

A

auto checks

ICT (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions