BTEC IT Level 3 - Unit 1 / Actual Exam Questions and
Correct Answers (Verified, Detailed Answers) A
Grade.
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.
Give 2 examples of a PC - (ANSWER)1. Desktop
2. laptop
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 key feature helps make mobile devices more compact and reduce power
consumption? - (ANSWER)System-on-a-Chip
What is System-on-a-Chip? - (ANSWER)The core components of the computer are
integrated onto a single chip. (CPU, GPU and RAM)
What is a disadvantage of System-on-a-Chip? - (ANSWER)It is hard to upgrade a
mobile device as all the components are integrated on the chip.
What are 2 examples? - (ANSWER)1. Tablets
2. smartphones
Correct Answers (Verified, Detailed Answers) A
Grade.
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.
Give 2 examples of a PC - (ANSWER)1. Desktop
2. laptop
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 key feature helps make mobile devices more compact and reduce power
consumption? - (ANSWER)System-on-a-Chip
What is System-on-a-Chip? - (ANSWER)The core components of the computer are
integrated onto a single chip. (CPU, GPU and RAM)
What is a disadvantage of System-on-a-Chip? - (ANSWER)It is hard to upgrade a
mobile device as all the components are integrated on the chip.
What are 2 examples? - (ANSWER)1. Tablets
2. smartphones
