ICT - PPQ Flashcards
What are some examples of data validation?
Lookup Type check Presence check Length check Range check
What is spam mail?
Junk mail that no one is interested in, usually containing unwanted adverts
How can you prevent spam mail?
Firewall Spam filter Deleting unused accounts Not signing up for marketing emails Not giving out your email address
How does a router transmit packets to a network?
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
What is involved in analysis of a system?
Observation of the current system Interviews or Questionnaires Looking at existing paperwork Identifying inputs, outputs and processes Identifying current problems Identifying hardware and software
What is the difference between verification and proofreading?
Proofreading is checking the content of the entered data for errors,
Verification is comparing the data entered with the original
What is a PDF?
Portable Document Format
What is the difference between RTF and PDF?
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
Https://website_test.uk/Test1
What does each part represent?
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
Why is technical documentation needed?
To hep programmers:
Improve the system
Maintain the system
Upgrade the system
Why is user documentation needed?
To help the user understand:
How the new system works
How to use the new system
How to deal with problems
What is needed to be done before a calculated field can be made?
A query needs to be created
Field_name: [field1] ‘x’ [field2]
What are some disadvantages of 3D printers?
Expensive
Not many currently made
Could be used for illegal purposes
What is an important part of securing personal data on the internet?
Strong password
What is a gutter?
A margin in the fold of a book
What is the difference between a widow and an orphan?
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
What is wrapping?
When text is aligned / written around an image
What is web conferencing?
Held over the internet with TCP/IP protocols
With voice, video and text communication
In a web browser
What does RFID stand for?
Radio Frequency IDentification
How do RFID chips work?
A radio signal is sent by the chip via an antenna
And read by the receiver
Powered by a battery
What are the main factors on why a computer model is a good simulation?
Cheaper
Quicker
Safer
Easier
What are the rolls of microprocessors?
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
What are the similarities between CLI and GUI?
Both:
- perform file management
- are Operating Systems
- control hardware and software
