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BTEC IT Level 3 Unit 1 Exam With 100% Correct And Verified Answers
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BTEC IT Level 3 Unit 1 Exam With 100% Correct And Verified Answers
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BTEC IT Level 3 Unit 1 Exam With 100%Correct And Verified Answers
What is a digital device? - Correct 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? - Correct
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? - Correct Answer-A
general-purpose computing device small and cheap
enough to be used by individuals.
How are PCs able to perform common tasks? -
Correct Answer-By installing a new software
application the computer becomes capable of
performing a new function.
What 3 things do PCs contain? - Correct Answer-1.
Individual processors
2. RAM
3. hard disk components with expansion ports.
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,What additional capabilities can be upgraded on a
PC? - Correct Answer-Replacing hard disk, more
storage or adding a graphics card to an expansion
port, improves graphics processing power.
Give 2 examples of a PC - Correct Answer-1.
Desktop
2. laptop
How are PCs used in workplace? - Correct Answer-
Word processing, desktop publishing, spreadsheets, database
management systems, creative tasks (music, film editing).
How are PCs used in personal lives? - Correct Answer-Accessing
Internet, surfing the web/email, gaming (requires expensive
graphics card normally)
What is a server? - Correct Answer-A computer that manages
access to different resources and services over a network.
How do PCs connect to a server? - Correct Answer-Via Ethernet
cable and WiFi (forming a network)
What is the difference between servers and PCs? - Correct Answer-
Contain larger storage capacity, higher processing power and larger
amount of memory.
Give 4 examples of servers? - Correct Answer-1. Mail servers
2. web servers
3. print servers
4. file servers
How do web servers work? - Correct Answer--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).
-Web server locates correct files and sends back to client.
Why are web servers used? - Correct Answer-To manage access to
web pages.
Why are mail servers used? - Correct Answer-To manage access to email
How do mail servers work? - Correct 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? - Correct 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? - Correct Answer-To share access to a
printer.
How do print servers work? - Correct Answer-By using a print server, you
can send your files to print from any computer on the network.
What is a mobile device? - Correct 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 key feature helps make mobile devices more compact and reduce
power consumption? - Correct Answer-System-on-a-Chip
What is System-on-a-Chip? - Correct Answer-The core components of the
computer are integrated onto a single chip. (CPU, GPU and RAM)
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, What is a disadvantage of System-on-a-Chip? - Correct Answer-It is hard
to upgrade a mobile device as all the components are integrated on the
chip.
What are 2 examples? - Correct Answer-1. Tablets
2. smartphones
What are uses for mobile device? - Correct Answer-Accessing internet on
the go, playing games, calendars, email access.
What is a disadvantage of mobile devices? - Correct Answer--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? - Correct Answer-Computing devices
that are designed to entertain (watching tv, listening to music, playing
video games)
Advantages of entertainment systems? - Correct Answer--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 - Correct Answer-1. Digital
media players
2. mp3 players
3. video game consoles
What is the use of digital media players? - Correct Answer-Allows
us to stream digital media (films, tv) over a network.
What is the use of portable media players? - Correct Answer-
Portable media players download media to device and are played off
hard disk.
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