ICT - PPQ

Question 1

What are some examples of data validation?

Answer 1

Lookup
Type check
Presence check
Length check
Range check

Question 2

What is spam mail?

Answer 2

Junk mail that no one is interested in, usually containing unwanted adverts

Question 3

How can you prevent spam mail?

Answer 3

Firewall
Spam filter
Deleting unused accounts
Not signing up for marketing emails
Not giving out your email address

Question 4

How does a router transmit packets to a network?

Answer 4

Reads the destination address
Compares it to its routing table on how to get to the address
Checks how busy the paths are
Sends the packet over the quickest route

Question 5

What is involved in analysis of a system?

Answer 5

Observation of the current system
Interviews or Questionnaires
Looking at existing paperwork
Identifying inputs, outputs and processes
Identifying current problems
Identifying hardware and software

Question 6

What is the difference between verification and proofreading?

Answer 6

Proofreading is checking the content of the entered data for errors,
Verification is comparing the data entered with the original

Question 7

What is a PDF?

Answer 7

Portable Document Format

Question 8

What is the difference between RTF and PDF?

Answer 8

RTF doesn’t allow graphics, PDF does
RTF doesn’t allow comments, PDF does
RTF is fully editable, some PDF is editable
RTF isn’t compressed, PDF is

Question 9

Https://website_test.uk/Test1

What does each part represent?

Answer 9

Https://
Hyper Text Transfer Protocol Secure protocol

Website_test
The domain name purchased

.uk
The country the website is registered in

/Test1
The folder on the server where the webpage is stored in

Question 10

Why is technical documentation needed?

Answer 10

To hep programmers:
Improve the system
Maintain the system
Upgrade the system

Question 11

Why is user documentation needed?

Answer 11

To help the user understand:
How the new system works
How to use the new system
How to deal with problems

Question 12

What is needed to be done before a calculated field can be made?

Answer 12

A query needs to be created

Field_name: [field1] ‘x’ [field2]

Question 13

What are some disadvantages of 3D printers?

Answer 13

Expensive
Not many currently made
Could be used for illegal purposes

Question 14

What is an important part of securing personal data on the internet?

Answer 14

Strong password

Question 15

What is a gutter?

Answer 15

A margin in the fold of a book

Question 16

What is the difference between a widow and an orphan?

Answer 16

A widow is a line at the top of a page with the paragraph above
An orphan is a line at the bottom of a page with the paragraph after

Question 17

What is wrapping?

Answer 17

When text is aligned / written around an image

Question 18

What is web conferencing?

Answer 18

Held over the internet with TCP/IP protocols
With voice, video and text communication
In a web browser

Question 19

What does RFID stand for?

Answer 19

Radio Frequency IDentification

Question 20

How do RFID chips work?

Answer 20

A radio signal is sent by the chip via an antenna
And read by the receiver

Powered by a battery

Question 21

What are the main factors on why a computer model is a good simulation?

Answer 21

Cheaper
Quicker
Safer
Easier

Question 22

What are the rolls of microprocessors?

Answer 22

Microprocessor reads data from a sensor
Compares to pre-set values it has stored
E.g.:
If higher than, perform an action
If lower than, perform an action

Question 23

What are the similarities between CLI and GUI?

Answer 23

Both:

• perform file management
• are Operating Systems
• control hardware and software