Describe a software solution to overcome the problem of operating system incompatibility.

Set up a virtual machine to allow a host operating system.

Which fact is true about an external style sheet

It is a separate file that can be used by multiple pages

which fact is true about an internal style sheet

It is embedded within the HTML code for each page

Describe the purpose of Line 2

To write the fastest time to the file called winner.txt

Describe a hybrid cloud web based service

It is a combination of a private and public cloud

Describe the purpose of Line 1

Create a file 'winner' inside folder MyAthletes in C Drive

State one reason why increased use of technology has had a negative effect on the environment.

There is a greater demand for raw materials

Which two facts are true between open source and proprietary software.

Open source provides support via a community of users., Proprietary software is sometimes free.

Describe one way where (RAD) reduces time taken to create a working program

It allows users to feedback during all stages of development

State two benefits of using an external style sheet.

one change to the style sheet will change all pages, it has a consistent look and feel across multiple web pages

identify two errors in the HTML Code

P1 should be P, Head tag is not closed

Describe the effect if allocation to the mantissa is changed from 32-bit to 16-bit

The precision of the mantissa will increase

Select two ways usability can be improved on forms

Drop down menus, Buttons for submitting data

Which of the following statements is true about an address bus

Stores the address of the memory location of data being read

State two benefits of using parameter passing rather than global variables

Aids modularity, Reduces clashes between variable names

State two responsibilities under the Regulation of Investigatory Powers Act (RIPA)for employers

to have facilities to store digital communications, to inform employees of access to digital communication

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Higher Computing Revision

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Answers

1
Explain what is meant by a Function
Assigns a value to the actual parameter
Returns a single value
Allows parameters to be passed
Creates a copy of an array
2
Describe a software solution to overcome the problem of operating system incompatibility.
Set up a virtual machine to allow a host operating system.
Buy and install a new operating system.
Set up another computer system and work between the two.
Buy compatible software.
3
Which fact is true about an external style sheet
It is a file embedded within the HTML page
It is separate file for each page of a website
It is embedded within the body tag of an HTML file
It is a separate file that can be used by multiple pages
4
which fact is true about an internal style sheet
It is created and stored externally
It is embedded in the head tag at the start of the HTML file
It is embedded within the HTML code for each page
It is embedded outwith the HTML file
5
Describe the purpose of Line 2
To write the fastest time to the file called winner.txt
To create the file called winner.txt on the C Drive
To send the file contents to display
To open the file called winner.txt
6
State two items that would be specified in a data dictionary
ER Diagram
Format
Required
Database file size
7
Describe a hybrid cloud web based service
It stores data on a secure server as part of a private cloud
It stores all data in a secure private cloud
All data is stored in a public service cloud.
It is a combination of a private and public cloud
8
Describe the purpose of Line 1
To send the contents of the file to display
To write to a file called winner.txt
Create a file 'winner' inside folder MyAthletes in C Drive
To close the file
9
State one reason why increased use of technology has had a negative effect on the environment.
Recycling plants cannot cope with the wastage
There is a greater demand for raw materials
It is costing the economy too much money
electricity has become more expensive
10
Which two facts are true between open source and proprietary software.
Open source provides support via a community of users.
Proprietary software is sometimes free.
Open source code cannot be modified.
Proprietary software does not offer any support
11
Describe one way where (RAD) reduces time taken to create a working program
Changes are not allowed to be made to the design
It allows users to feedback during all stages of development
The prototype is created at the analysis stage
more programmers are working on the same project
12
calculate the following
3.91387939 Gb
356040404 bytes
67.5868 Mbytes
27.89 Gb
13
State two benefits of using an external style sheet.
cannot be set up for different devices or sizes of screens
one change to the style sheet will change all pages
it has a consistent look and feel across multiple web pages
it takes more time to load an external style sheet
14
identify two errors in the HTML Code
P1 should be P
Head tag is not closed
html tag is in the wrong place
all text should be center aligned
15
Describe the effect if allocation to the mantissa is changed from 32-bit to 16-bit
The precision of the mantissa will increase
The precision of the Mantissa will decrease
The range of the mantissa will increase
The precision of the mantissa will not change
16
The school makes a full backup of data every Sunday. Why is this technique insufficient?
There could be a power cut.
There is a risk of data loss.
It should be carried out every day.
There might not be enough storage space.
17
Select two ways usability can be improved on forms
large fonts
Drop down menus
Buttons for submitting data
Colour schemes
18
Which of the following statements is true about an address bus
Stores the address of the memory location of data being read
Sends out signals to synchronise instructions
Make comparisons between instructions
Carries out arithmetic calculations
19
State two benefits of using parameter passing rather than global variables
Aids modularity
allows for errors to be detected easier
Reduces clashes between variable names
Parameters speed up the progarm
20
State two responsibilities under the Regulation of Investigatory Powers Act (RIPA)for employers
to have facilities to store digital communications
to provide free email services for employees
to inform employees of access to digital communication
to have facilities for employee personal communications

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