2
BTEC IT Level 3 - Unit 1 Exam with precise detailed answers
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What is a digital device? - ✔✔Piece of physical equipment that uses digital data, such as by
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sending, receiving, storing or processing it.
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What 9 types of digital devices are there? - ✔✔1. Personal Computers
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2. Mobile Devices
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3. Servers
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4. Entertainment Systems
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5. Navigation Systems
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6. Multifunctional Devices
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7. Digital Cameras
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8. Data capture and Collection Systems
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9. Communication devices and systems
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What is a personal computer? - ✔✔A general-purpose computing device small and cheap
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enough to be used by individuals.
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How are PCs able to perform common tasks? - ✔✔By installing a new software application
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the computer becomes capable of performing a new function.
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What 3 things do PCs contain? - ✔✔1. Individual processors
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2. RAM
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3. hard disk components with expansion ports.
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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.
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,2
Give 2 examples of a PC - ✔✔1. Desktop
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2. laptop
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How are PCs used in workplace? - ✔✔Word processing, desktop publishing, spreadsheets,
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database management systems, creative tasks (music, film editing).
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How are PCs used in personal lives? - ✔✔Accessing Internet, surfing the web/email, gaming
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(requires expensive graphics card normally)
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What is a server? - ✔✔A computer that manages access to different resources and services
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over a network.
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How do PCs connect to a server? - ✔✔Via Ethernet cable and WiFi (forming a network)
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What is the difference between servers and PCs? - ✔✔Contain larger storage capacity,
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higher processing power and larger amount of memory.
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Give 4 examples of servers? - ✔✔1. Mail servers
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2. web servers
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3. print servers
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4. file servers
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How do web servers work? - ✔✔-Web server stores the web page and associated files.
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-Client computer makes request for a web page to server (by entering URL).
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-Web server locates correct files and sends back to client.
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,2
Why are web servers used? - ✔✔To manage access to web pages.
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Why are mail servers used? - ✔✔To manage access to email
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How do mail servers work? - ✔✔-When you write an email/press send on PC, goes to
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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
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spreadsheets so they are accessible from any computer on the network.
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Why are print servers used? - ✔✔To share access to a printer.
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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, light-weight 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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, 2
What is a disadvantage of System-on-a-Chip? - ✔✔It is hard to upgrade a mobile device as
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all the components are integrated on the chip.
|| || || || || || ||
What are 2 examples? - ✔✔1. Tablets
|| || || || || || ||
2. smartphones
||
What are uses for mobile device? - ✔✔Accessing internet on the go, playing games,
|| || || || || || || || || || || || || ||
calendars, email access. || ||
What is a disadvantage of mobile devices? - ✔✔-They all use touchscreen so are bad for
|| || || || || || || || || || || || || || || ||
word processing tasks.
|| ||
-Also have limited processing capabilities so are bad for graphic games/film editing.
|| || || || || || || || || || ||
What is an entertainment system? - ✔✔Computing devices that are designed to entertain
|| || || || || || || || || || || || ||
(watching tv, listening to music, playing video games)
|| || || || || || ||
Advantages of entertainment systems? - ✔✔-Good hard disk storage for storing tv/films,
|| || || || || || || || || || || ||
music and games. || || ||
-Built in internet connectivity capabilities (WiFi).
|| || || || || ||
-Access to streaming and online gaming services.
|| || || || || ||
3 examples of entertainment systems - ✔✔1. Digital media players
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2. mp3 players
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3. video game consoles
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What is the use of digital media players? - ✔✔Allows us to stream digital media (films, tv)
|| || || || || || || || || || || || || || || || ||
over a network.
|| ||
BTEC IT Level 3 - Unit 1 Exam with precise detailed answers
|| || || || || || || || || || ||
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.
|| || || || || || || || || || || || ||
,2
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.
|| || || || || || || || ||
,2
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, light-weight 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)
|| || || || || ||
, 2
What is a disadvantage of System-on-a-Chip? - ✔✔It is hard to upgrade a mobile device as
|| || || || || || || || || || || || || || || ||
all the components are integrated on the chip.
|| || || || || || ||
What are 2 examples? - ✔✔1. Tablets
|| || || || || || ||
2. smartphones
||
What are uses for mobile device? - ✔✔Accessing internet on the go, playing games,
|| || || || || || || || || || || || || ||
calendars, email access. || ||
What is a disadvantage of mobile devices? - ✔✔-They all use touchscreen so are bad for
|| || || || || || || || || || || || || || || ||
word processing tasks.
|| ||
-Also have limited processing capabilities so are bad for graphic games/film editing.
|| || || || || || || || || || ||
What is an entertainment system? - ✔✔Computing devices that are designed to entertain
|| || || || || || || || || || || || ||
(watching tv, listening to music, playing video games)
|| || || || || || ||
Advantages of entertainment systems? - ✔✔-Good hard disk storage for storing tv/films,
|| || || || || || || || || || || ||
music and games. || || ||
-Built in internet connectivity capabilities (WiFi).
|| || || || || ||
-Access to streaming and online gaming services.
|| || || || || ||
3 examples of entertainment systems - ✔✔1. Digital media players
|| || || || || || || || ||
2. mp3 players
|| ||
3. video game consoles
|| || ||
What is the use of digital media players? - ✔✔Allows us to stream digital media (films, tv)
|| || || || || || || || || || || || || || || || ||
over a network.
|| ||
