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Higher Computing Revision 3 Flashcards | StudBud
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Higher Computing Revision 3
Higher Computing Revision 3
20 terms
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Randomly selected questions form Paper 3
Flashcards
20 cards
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1
State the feature being used in line 7 and explain a benefit of its use.
Creation of an object
class can be used to create multipleobjects of the same type
class can be used many times over without changing attribute
2
State two tasks undertaken by an interface when transferring photographs to your home PC.
Storage of correct transfer speeds
Data format conversion
Faster downloads
Handling of status signals
3
Where in your HTML code will the link to the external stylesheet be placed?
In the head section
At the start of the document
In the body section
In the title section
4
Describe two benefits of Agile software development methodologies.
Produces parts of the project at intervals in development
It allows the finished product to be used effectively.
Produces working releases of software early in development
Ability to respond quickly to changes in requirements
5
State
one
advantage for a business of switching to a hybridcloud.
Store sensitive data on the public cloud
Store data only on private cloud
Store data in two places at the same time
Store sensitive data on the private cloud
6
Describe how an operating system allows restrictions to be set up.
Passwords and usernames are created
Different rights/permissions can be set up
All users have some rights to the same information
7
Client-side or server side?
It involves running scripts from the cloud
It uses a hybrid cloud service
It involves scripting running scripts using a browser
8
Explain one benefit of using an external stylesheet
It saves time producing stylesheets
Only one webpage will change
All webpages linked to it will change..
9
Describe how vector images are stored
By a number of pixels
As a series of calculations
Attributes: x,y radius,fill colour, line width etc
Using the Ascii code
10
A database table may have a compound key. What is meant by the term compound key?
A primary key with more than one field attribute or column
A foreign key in two tables
A primary key that links two tables together
11
Describe what is meant by a hybrid cloud
Its where some of my pupils are at times
It uses secure services
A hybrid cloud is a combination of a private & public cloud.
It is two clouds working together
12
Explain the difference between an external and internal style sheets
Internal Stylesheets are used to format one webpage only.
External SS will be used to format more than one webpage
External stylesheets cannot be changed
Internal stylesheets can format more than one webpage
13
Describe how usability testing cane be carried out on a database system.
To provide feedback/evaluate (ease of use/fit for purpose)
To check all elements of the database work as intended
End user group/independent test group
To receive feedback on the actions performed
14
Convert the decimal number -126 to binary using 8 bits.
10101011
11100000
01011010
1000 0010
15
Describe the purpose of cascading style sheets.
They allow different versions to be stored of the web page
The designer can define the way a webpage is formatted
They can be stored and re-used
16
Describe an example of dynamic content that can be added to a webpage
Today's weather widget
paragraph about the weather
An image placeholder
17
State the types of relationship between the two tables Train journey and people.
One to Many
One to One
Many to Many
18
Explain how cache memory can improve system performance.
Data can be saved and processed much quicker
Frequently accessed data/ instructions areheld in cache
Instructions are held temporarily until required
19
Calculate the following and express your answer in Gb
2.345 Gb
77.99 Gb
16.4 Gb
1.42 Gb
20
A code attached to an electronic document to verify contents and senders identity is what?
a calculation to work out the senders identity
binary code
digital signature
