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Flashcards in ICT - PPQ Deck (23)
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1
Q

What are some examples of data validation?

A
Lookup
Type check
Presence check
Length check
Range check
2
Q

What is spam mail?

A

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

3
Q

How can you prevent spam mail?

A
Firewall
Spam filter
Deleting unused accounts
Not signing up for marketing emails
Not giving out your email address
4
Q

How does a router transmit packets to a network?

A

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

5
Q

What is involved in analysis of a system?

A
Observation of the current system
Interviews or Questionnaires
Looking at existing paperwork
Identifying inputs, outputs and processes
Identifying current problems
Identifying hardware and software
6
Q

What is the difference between verification and proofreading?

A

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

7
Q

What is a PDF?

A

Portable Document Format

8
Q

What is the difference between RTF and PDF?

A

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

9
Q

Https://website_test.uk/Test1

What does each part represent?

A

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

10
Q

Why is technical documentation needed?

A

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

11
Q

Why is user documentation needed?

A

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

12
Q

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

A

A query needs to be created

Field_name: [field1] ‘x’ [field2]

13
Q

What are some disadvantages of 3D printers?

A

Expensive
Not many currently made
Could be used for illegal purposes

14
Q

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

A

Strong password

15
Q

What is a gutter?

A

A margin in the fold of a book

16
Q

What is the difference between a widow and an orphan?

A

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

17
Q

What is wrapping?

A

When text is aligned / written around an image

18
Q

What is web conferencing?

A

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

19
Q

What does RFID stand for?

A

Radio Frequency IDentification

20
Q

How do RFID chips work?

A

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

Powered by a battery

21
Q

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

A

Cheaper
Quicker
Safer
Easier

22
Q

What are the rolls of microprocessors?

A
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
23
Q

What are the similarities between CLI and GUI?

A

Both:

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