BTEC IT Level 3 - Unit 1 Exam Questions And Answers 100% Pass
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BTEC
BTEC IT Level 3 - Unit 1 Exam Questions
And Answers 100% Pass
What is a digital device? - answerPiece of physical equipment that uses digital data, such as by
sending, receiving, storing or processing it.
What 9 types of digital devices are there? - answer1. Personal Computers
2. Mobile Device...
BTEC IT Level 3 - Unit 1 Exam Questions
And Answers 100% Pass
What is a digital device? - answer✔Piece of physical equipment that uses digital data, such as by
sending, receiving, storing or processing it.
What 9 types of digital devices are there? - answer✔1. Personal Computers
2. Mobile Devices
3. Servers
4. Entertainment Systems
5. Navigation Systems
6. Multifunctional Devices
7. Digital Cameras
8. Data capture and Collection Systems
9. Communication devices and systems
What is a personal computer? - answer✔A general-purpose computing device small and cheap enough
to be used by individuals.
How are PCs able to perform common tasks? - answer✔By installing a new software application the
computer becomes capable of performing a new function.
What 3 things do PCs contain? - answer✔1. Individual processors
2. RAM
3. hard disk components with expansion ports.
What additional capabilities can be upgraded on a PC? - answer✔Replacing hard disk, more storage or
adding a graphics card to an expansion port, improves graphics processing power.
How are PCs used in workplace? - answer✔Word processing, desktop publishing, spreadsheets,
database management systems, creative tasks (music, film editing).
How are PCs used in personal lives? - answer✔Accessing Internet, surfing the web/email, gaming
(requires expensive graphics card normally)
What is a server? - answer✔A computer that manages access to different resources and services over a
network.
How do PCs connect to a server? - answer✔Via Ethernet cable and WiFi (forming a network)
What is the difference between servers and PCs? - answer✔Contain larger storage capacity, higher
processing power and larger amount of memory.
Give 4 examples of servers? - answer✔1. Mail servers
2. web servers
3. print servers
4. file servers
How do web servers work? - answer✔-Web server stores the web page and associated files.
-Client computer makes request for a web page to server (by entering URL).
-Web server locates correct files and sends back to client.
Why are web servers used? - answer✔To manage access to web pages.
Why are mail servers used? - answer✔To manage access to email
How do mail servers work? - answer✔-When you write an email/press send on PC, goes to outgoing mail
server.
-This mail server then sends across a network to recipient's mail server and stores in their mailbox.
-When recipient logs into their email client the mail server will forward email to their computer.
Why are file servers used? - answer✔To store your files such as word processors and spreadsheets so
they are accessible from any computer on the network.
Why are print servers used? - answer✔To share access to a printer.
How do print servers work? - answer✔By using a print server, you can send your files to print from any
computer on the network.
What is a mobile device? - answer✔A computing device that is designed to be portable as it is compact,
light-weight and capable of running for extended periods on battery power.
What is the use of video game consoles? - answer✔Allow you to play video games. Can even use
internet to play games online with people globally.
What are navigation systems? - answer✔A digital device that uses GPS (Global Positioning System) to
provide a real-time map of our current location, allowing us to plan a route to be directed to a chosen
destination.
What features do some Navigation systems have? - answer✔-Identifying traffic, roadworks and
accidents that may delay your journey. -Provides an accurate destination time.
What is an example of navigation systems? - answer✔In car satnav
What is the use of in car satnav? - answer✔Used instead of traditional maps to help direct you along the
fastest route. Can be integrated directly into car's dashboard but is often standalone. (e.g. TomTom)
Why has standalone satnavs been replaced? - answer✔As navigation systems are now being used in
mobile devices for driving, walking, cycling.
What is a multifunctional device? - answer✔A device that is capable of performing more than one
specific function. (Also known as MFD and multifunctional peripherals)
What are examples of a multifunctional device? - answer✔Multifunctional printers, touchscreens, force-
feedback game controllers.
What is a multifunctional printer? - answer✔A device that usually combines printing, scanning and
faxing functions all into a single device.
Where are multifunctional printers used? - answer✔They are popular for use in home offices for people
who work from home and do not have the space or money for three separate devices.
What are touch screens used for? - answer✔They are used on tablet devices to allow users to input
without a separate keyboard or mouse.
What are force-feedback game controllers? - answer✔They are used on games consoles to allow you to
control the game and receive vibration output.
Give an example of a vibration output on a games console? - answer✔rumbling in a car game when you
go off track/fighting game when you're hit.
What is a digital camera? - answer✔A device that is capable of taking photo and video and recording it
as digital data.
How does a digital camera store photos/videos as digital data? - answer✔By using a grid of
photosensors that convert light into digital pixels that our computer can store, usually on a memory
card.
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