computing s3 sxam

Question 1

What are end-user requirements

Answer 1

The end-user requirements of a website are the tasks that the user would want to be able to carry out.

Question 2

what are the functional requirements noob

Answer 2

The processes that the website has to perform

Question 3

what does a navigational structure look like

Answer 3

All of the pages that will be part of the website
Links between internal pages using arrows to indicate link direction
Links to external pages using arrows to indicate link direction.

Question 4

what are wireframes

Answer 4

wireframes are simplified versions of a website

Question 5

why do we use wireframes

Answer 5

we use wireframes so the client can get a good understanding of all the structures of the website

Question 6

what is the importance of the copyright law?

Answer 6

To ensure people are rewarded for their work

To give the copyright holder protection from their work being copied or stole

Question 7

what are the 3 ways you can test a website

Answer 7

1) Checking that the web pages match the user interface design.
2) Ensuring that all links and navigation work correctly.
3) Ensuring that all text, graphics, and video display correctly.

Question 8

How do you tell if a website is fit for its purpose

Answer 8

A website is fit for purpose if it meets the end-user requirements and the functional requirements set out at the analysis stage.

Question 9

what values can a computer only work with

Answer 9

binary

Question 10

find the mantissa 1573237 x 104

Answer 10

1573237

Question 11

find the exponent 1573237 x 10₄

Answer 11

4

Question 12

Attributes of vector graphics

Answer 12

co-ordinates
fill color
line color

Question 13

what are the parts of the processor

Answer 13

the control unit (CU)
arithmetic logic unit (ALU)
registers.
cache.
buses.
clock.

Question 14

Ways to reduce electricity consumption

Answer 14

Reduce the brightness on monitors
Avoid using a screen saver
Auto power down monitor if not in use for a period of time
Use standby mode or hibernate mode to reduce power to the computer when not in use

Question 15

Ways to secure your computer

Answer 15

Encryption is the process of converting data and messages into a format that cannot be read by unauthorized people
Encrypted data is called cipher text
A secret key is required in order to convert the cipher text back to the original data
Public key encryption requires two keys - a public key, and a secret private key

Question 16

what is a primary key

Answer 16

A primary key is a field that uniquely identifies a record in a database.

Question 17

what are the 4 validation checks

Answer 17

presence check validation
restricted choice validation
field length validation
range validation

Question 18

what is the presence check validation?

Answer 18

A presence check ensures that data is entered in a field.

Question 19

what is the restricted choice validation?

Answer 19

Restricted choice limits data entry to a set of acceptable values.

Question 20

field length validation

Answer 20

Field length validation limits the number of characters that can be stored in a field.

Question 21

Range check

Answer 21

Range check ensures that data falls between two values.