BTEC IT Level 3 - Unit 1, Questions and
answers, 100% Accurate.
What is a digital device? - ✔✔-Piece of physical equipment that uses digital data, such as by sending,
receiving, storing or processing it.
What 9 typ
...
BTEC IT Level 3 - Unit 1, Questions and
answers, 100% Accurate.
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)
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.
What is the use of portable media players? - ✔✔-Portable media players download media to device and
are played off hard disk.
What is the use of MP3 players? - ✔✔-Used to access and listen to music on a small portable device.
What are MP4 players? - ✔✔-They are the same as MP3 players but can watch videos as well.
What is the use of video game consoles? - ✔✔-Allow you to play video games. Can even use internet to
play games online with people globally.
What are navigation systems? - ✔✔-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? - ✔✔--Identifying traffic, roadworks and accidents
that may delay your journey. -Provides an accurate destination time.
What is an example of navigation systems? - ✔✔-In car satnav
What is the use of in car satnav? - ✔✔-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? - ✔✔-As navigation systems are now being used in mobile
devices for driving, walking, cycling.
What is a multifunctional device? - ✔✔-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? - ✔✔-Multifunctional printers, touchscreens, forcefeedback game controllers.
What is a multifunctional printer? - ✔✔-A device that usually combines printing, scanning and faxing
functions all into a single device.
Where are multifunctional printers used? - ✔✔-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? - ✔✔-They are used on tablet devices to allow users to input without
a separate keyboard or mouse.
What are force-feedback game controllers? - ✔✔-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? - ✔✔-rumbling in a car game when you go
off track/fighting game when you're hit.
What is a digital camera? - ✔✔-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? - ✔✔-By using a grid of photosensors
that convert light into digital pixels that our computer can store, usually on a memory card.
What is a megapixel? - ✔✔-Megapixels is the number of individual pixels of colour that are used to
record an image.
The more megapixels a camera has... - ✔✔-The higher the quality the image is.
How many megapixels does a modern digital camera have? - ✔✔-20 megapixels
What doe most digital camera devices have? - ✔✔-They contain a built-in memory card slot to store the
digital pictures and videos directly on the digital camera device.
What is the benefit of having a removable memory card in a digital camera? - ✔✔-It allows you to then
transfer them to another device so that they can be stored on a computer and displayed on screen.
What are 2 examples of digital cameras? - ✔✔-Digital still cameras and digital video cameras.
What is a use of a digital camera? - ✔✔-You can upload the pictures/videos and share them as well as
edit the photos.
What does photoshopping mean? - ✔✔-The use of a software program that we can use to remove
blemishes or perform heavier changes to a photo.
What is data capture and collection systems? - ✔✔-They input and store data through methods other
than direct data entry (such as through a keyboard). The data is entered as a result of a related activity.
What does data capture and collection systems allow? - ✔✔-The data to be entered into a computer
system directly during the data capture stage and so greatly reduces the amount of human error issues
that happen when manually entering data.
What are 3 examples of data capture and collection systems? - ✔✔-1. Barcode scanners 2. Optical mark
readers (OMR) 3.Magnetic ink character readers (MICR)
Where are barcodes used? - ✔✔-On the back of products
How do barcode scanners capture data? - ✔✔-They capture data by reading the width of dark and light
bars. When the barcode is read it matches it to a database of products on the computer and returns
information.
Where is OMR used? - ✔✔-Used in shops for inputting lottery tickets
How is OMR used in the lottery? - ✔✔-Pre-printed forms like lottery tickets are designed so that when
marks are placed on it, the OMR device can detect what numbers you select from the mark's location on
the form.
What is MICR used for? - ✔✔-Verifying that cheques are legititmate
How does MICR verify cheques? - ✔✔-The magnetised ink is used to write a code on the bottom of the
cheque. The MICR device reads the magnetic field of the characters to read the code to ensure it is a
legitimate cheque.
What are communication devices and systems? - ✔✔-A device that is used to move data between two
other devices, such as two computers
What do communication devices allow? - ✔✔-They allow us to transmit data between devices over a
network in various ways.
What are 3 examples of communication devices and system? - ✔✔-Network interface cards (NIC),
wireless dongles, routers
What is the use of a Network interface card? - ✔✔-Allow data to be transferred to and from a
networked computer by connecting an ethernet cable.
Where are NICs used? - ✔✔-Desktop PCs.
What is the use of wireless dongles? - ✔✔-Allows you to either transfer data to a router wirelessly as
part of a local area network or connect to a mobile broadband network.
Where are wireless dongles used? - ✔✔-Used in laptops.
What is the use of a router? - ✔✔-Directs data to its correct destination over a large network.
When is a router required? - ✔✔-Wherever two networks meet.
What are the 6 uses of digital devices? - ✔✔-1. Education and Training
2. Personal
3. Social
4. Retail
5. Organisational Use
6. Creative Tasks
What three categories are there in Education and Training? - ✔✔-1. Interactive Whiteboards
2. Virtual Learning Environments (VLE)
3. Online Learning
What is the use of interactive whiteboards? - ✔✔-Used by teaches to support teaching in front of a class
Why are interactive whiteboards multifunctional? - ✔✔-They display output on the screen and take
input such as when used as a touchscreen to write notes and input commands.
Why are interactive whiteboards beneficial? - ✔✔-The notes taken can be saved to a central location
that can be accessed by students to use outside of school.
Where are Virtual Learning Environments used? - ✔✔-Used in schools
What is a VLE? - ✔✔-Like a website that allows teachers to upload resources to the site so that they can
share them with students.
What benefit is a VLE to a student? - ✔✔-They can access their learning at home so can prepare for
exams/homework.
What benefit is a VLE to a teacher? - ✔✔-They can mark the work submitted by students and so
students can access feedback whenever.
Where is online learning used? - ✔✔-Can access the sites through PC or mobile devices
What does online learning do? - ✔✔-Allows you to access visual content like videos, animation and
audio explanations.
What type of digital camera is used in online learning? - ✔✔-A webcam (videos can be shared online
through different sites)
What three categories are there for Personal use of digital devices? - ✔✔-1. Entertainment
2. Online shopping and banking
3. Home applicances
Where do we use entertainment systems? - ✔✔-To watch film and TV, listen to music and play video
games.
What are the advantages of streaming films online? - ✔✔-No longer store files on computers saving
space on hard disk.
Accessing media content is now cheaper.
What are digital media players used for? - ✔✔-To access streaming on television set.
What are video game consoles used for? - ✔✔-Allows us to play games online with others without
needing to be in the same location.
What is a disadvantage of entertainment systems? - ✔✔-Piracy now occurs where content (films, music
etc.) is illegally transferred over the internet for free.
What does online shopping allow us? - ✔✔-Allows us to purchase anything and being able to get it
delivered the same day.
What does online banking allow us? - ✔✔-Allows us to manage our finances such as checking our bank
statements and transferring money.
What is the benefits of online banking and shopping? - ✔✔--You can do it from your home.
-Saves time and money
-Helpful for people who live in remote locations/ people with disabilities who would find it difficult to
get to the high street.
What is a use of home appliances? - ✔✔-Controlling the central heating system through your
smartphone allowing us to turn the heating on or off without being at home.
What is the advantages of home appliances? - ✔✔-Can help reduce costs and conserve energy.
What categories are there for social uses of digital devices? - ✔✔-1. Social Networking
2. Instant Messaging
3. VOIP
What does social networking allow us to do? - ✔✔--Allows us to create a 'network of friends' where
people are able to see our posts.
-You can also message people directly through messaging services on the sites.
-You can create or join groups and talk about similar interests.
What are the disadvantages of social networking? - ✔✔--Can be very distracting and time-consuming
which can affect productivity in the work place.
-Has also reduced the amount of face-to-face interactions.
What does instant messaging allows us to do? - ✔✔-Allows us to hold real-time text-based
conversations with others.
What is an advantage of instant messaging? - ✔✔-Messaging is cheaper and allows us to group
message.
Instant messaging is proprietary meaning... - ✔✔-You need the person you are messaging with to have
the same Instant Messaging app.
What is VoIP (Voice over Internet Protocol)? - ✔✔-A type of software that allows you to have a real time
voice and video conversations.
What is an example of VoIP? - ✔✔-Skype
Why has VoIP become more popular? - ✔✔-It gives the ability to have video along with voice and the
ability to hold group conversations and being cheaper.
What categories are there for retail use of digital devices? - ✔✔-1. EPOS
2. Stock Management
3. Retail Website
What is EPOS? - ✔✔-Electronic Point of Sale is a computerised checkout till.
What does EPOS use? - ✔✔-It uses digital devices to record sales as well as to take payment for the
sales.
What are examples of EPOS? - ✔✔-Barcode readers, MICR, Contactless payment
What is the advantages of EPOS? - ✔✔--Sales process is quicker and more efficient.
-Reduction in staff error
What is stock management? - ✔✔-A database management system that run on servers will connect to
the EPOS system.
What happens when a product is sold (stock management)? - ✔✔-The information is sent through to
the server and the database will be updated with new reduced stock level.
How can we automatically order stock from our homes? - ✔✔-A stock management server can be
connected via the internet to the servers at the warehouse.
Why do we need less administrative staff if stock managment systems are in place? - ✔✔-Stock
management automates most of the processes that monitor stock and make orders.
Having less administrative staff means... - ✔✔--Business saves money.
-Reduces human error.
Why do shops have online retail websites? - ✔✔-To sell and advertise their products over the internet.
What do a business need to run an online website? - ✔✔-A web server to host the site.
PC to develop the site.
What is the benefit of retail websites? - ✔✔--Cheaper than buying a store.
-Can sell products to a world wide audience.
Make sales 24/7.
What 3 categories come under organisational use? - ✔✔-1. Administration
2. Video conferencing
3. Design & Manufacturing
Why would an organisation use spreadsheets and accounting software? - ✔✔-To manage their finances
(tracking sales/expenditure/ calculating tax).
Why do organisations use word processors, desktop publishers and presentation software? - ✔✔-To
produce documents they require for their business operation.(producing sales report/ presentations/
brochures)
How has digital devices made a business more productive? - ✔✔-Less time is spent correcting human
error.
What does video conferencing software packages allow you to do? - ✔✔-Allow you to have voice and
video conversation (VoIP).
What is video conferencing designed to have? - ✔✔-To have multiple people take part in meetings.
What added features does video conferencing have? - ✔✔-Able to display a presentation.
Share documents
How does video conferencing benefit businesses? - ✔✔--Saves time and money as employees don't
need to travel to the same location.
-Helps support employees working from home.
Where is CAD software used? - ✔✔-Used in construction industry for architectural drawings and
manufacturing of parts.
Where is CAM controlled machinery used? - ✔✔-Produce the objects designed with CAD software.
How has design and manufacturing helped businesses? - ✔✔-Made them more efficient.
What is a benefit of CAD? - ✔✔--Designs can be modified easily if changes are required.
-Designs can be sent over email.
What is a benefit of CAM? - ✔✔--Machinery can work 24/7.
-Reduces human error as task is produced to the same standard each time.
What 3 categories come under creative tasks? - ✔✔-1. 3D Graphics
2. Photo/video editing
3.Graphic design
Why are 3D models being used in movies? - ✔✔-It is quicker and changes can be easily made.
What has 3D graphics done to video games? - ✔✔-Added a new leve
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