BTEC IT Level 3 - Unit 1, Questions and
answers, 2022/2023.
What is a digital device? - ✔✔Piece of physical equipment that uses digital data, such as by sending,
receiving, storing or processing it.
What 9 types of d
...
BTEC IT Level 3 - Unit 1, Questions and
answers, 2022/2023.
What is a digital device? - ✔✔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? - ✔✔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? - ✔✔A general-purpose computing device small and cheap enough to be
used by individuals.
How are PCs able to perform common tasks? - ✔✔By installing a new software application the computer
becomes capable of performing a new function.
What 3 things do PCs contain? - ✔✔1. Individual processors
2. RAM
3. hard disk components with expansion ports.
What additional capabilities can be upgraded on a PC? - ✔✔Replacing hard disk, more storage or adding
a graphics card to an expansion port, improves graphics processing power.Give 2 examples of a PC - ✔✔1. Desktop
2. laptop
How are PCs used in workplace? - ✔✔Word processing, desktop publishing, spreadsheets, database
management systems, creative tasks (music, film editing).
How are PCs used in personal lives? - ✔✔Accessing Internet, surfing the web/email, gaming (requires
expensive graphics card normally)
What is a server? - ✔✔A computer that manages access to different resources and services over a
network.
How do PCs connect to a server? - ✔✔Via Ethernet cable and WiFi (forming a network)
What is the difference between servers and PCs? - ✔✔Contain larger storage capacity, higher processing
power and larger amount of memory.
Give 4 examples of servers? - ✔✔1. Mail servers
2. web servers
3. print servers
4. file servers
How do web servers work? - ✔✔-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? - ✔✔To manage access to web pages.Why are mail servers used? - ✔✔To manage access to email
How do mail servers work? - ✔✔-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? - ✔✔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? - ✔✔To share access to a printer.
How do print servers work? - ✔✔By using a print server, you can send your files to print from any
computer on the network.
What is a mobile device? - ✔✔A computing device that is designed to be portable as it is compact, lightweight and capable of running for extended periods on battery power.
What key feature helps make mobile devices more compact and reduce power consumption? -
✔✔System-on-a-Chip
What is System-on-a-Chip? - ✔✔The core components of the computer are integrated onto a single
chip. (CPU, GPU and RAM)
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