BTEC IT Level 3 - Unit 1 Exam
Questions with Correct Answers
What is a megapixel? - ANSWER-Megapixels is the number of individual pixels of
colour that are used to record an image.
The more megapixels a camera has... - ANSWER-The higher the quality the image
is.
How many megapixels does a modern digital camera have? - ANSWER-20
megapixels
What doe most digital camera devices have? - ANSWER-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? -
ANSWER-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? - ANSWER-Digital still cameras and digital
video cameras.
What is a use of a digital camera? - ANSWER-You can upload the pictures/videos
and share them as well as edit the photos.
What does photoshopping mean? - ANSWER-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? - ANSWER-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? - ANSWER-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? - ANSWER-1.
Barcode scanners 2. Optical mark readers (OMR) 3.Magnetic ink character readers
(MICR)
Where are barcodes used? - ANSWER-On the back of products
How do barcode scanners capture data? - ANSWER-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? - ANSWER-Used in shops for inputting lottery tickets
How is OMR used in the lottery? - ANSWER-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? - ANSWER-Verifying that cheques are legititmate
How does MICR verify cheques? - ANSWER-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? - ANSWER-A device that is used to
move data between two other devices, such as two computers
What do communication devices allow? - ANSWER-They allow us to transmit data
between devices over a network in various ways.
What are 3 examples of communication devices and system? - ANSWER-Network
interface cards (NIC), wireless dongles, routers
What is the use of a Network interface card? - ANSWER-Allow data to be transferred
to and from a networked computer by connecting an ethernet cable.
Where are NICs used? - ANSWER-Desktop PCs.
What is the use of wireless dongles? - ANSWER-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? - ANSWER-Used in laptops.
What is the use of a router? - ANSWER-Directs data to its correct destination over a
large network.
When is a router required? - ANSWER-Wherever two networks meet.
What are the 6 uses of digital devices? - ANSWER-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? - ANSWER-1. Interactive
Whiteboards
2. Virtual Learning Environments (VLE)
3. Online Learning
,What is the use of interactive whiteboards? - ANSWER-Used by teaches to support
teaching in front of a class
Why are interactive whiteboards multifunctional? - ANSWER-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? - ANSWER-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? - ANSWER-Used in schools
What is a VLE? - ANSWER-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? - ANSWER-They can access their learning at
home so can prepare for exams/homework.
What benefit is a VLE to a teacher? - ANSWER-They can mark the work submitted
by students and so students can access feedback whenever.
Where is online learning used? - ANSWER-Can access the sites through PC or
mobile devices
What does online learning do? - ANSWER-Allows you to access visual content like
videos, animation and audio explanations.
What type of digital camera is used in online learning? - ANSWER-A webcam
(videos can be shared online through different sites)
What three categories are there for Personal use of digital devices? - ANSWER-1.
Entertainment
2. Online shopping and banking
3. Home applicances
Where do we use entertainment systems? - ANSWER-To watch film and TV, listen
to music and play video games.
What are the advantages of streaming films online? - ANSWER-No longer store files
on computers saving space on hard disk.
Accessing media content is now cheaper.
What are digital media players used for? - ANSWER-To access streaming on
television set.
What are video game consoles used for? - ANSWER-Allows us to play games online
with others without needing to be in the same location.
, What is a disadvantage of entertainment systems? - ANSWER-Piracy now occurs
where content (films, music etc.) is illegally transferred over the internet for free.
What does online shopping allow us? - ANSWER-Allows us to purchase anything
and being able to get it delivered the same day.
What does online banking allow us? - ANSWER-Allows us to manage our finances
such as checking our bank statements and transferring money.
What is the benefits of online banking and shopping? - ANSWER--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? - ANSWER-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? - ANSWER-Can help reduce costs and
conserve energy.
What categories are there for social uses of digital devices? - ANSWER-1. Social
Networking
2. Instant Messaging
3. VOIP
What does social networking allow us to do? - ANSWER--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? - ANSWER--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? - ANSWER-Allows us to hold real-
time text-based conversations with others.
What is an advantage of instant messaging? - ANSWER-Messaging is cheaper and
allows us to group message.
Instant messaging is proprietary meaning... - ANSWER-You need the person you
are messaging with to have the same Instant Messaging app.
What is VoIP (Voice over Internet Protocol)? - ANSWER-A type of software that
allows you to have a real time voice and video conversations.
What is an example of VoIP? - ANSWER-Skype
Questions with Correct Answers
What is a megapixel? - ANSWER-Megapixels is the number of individual pixels of
colour that are used to record an image.
The more megapixels a camera has... - ANSWER-The higher the quality the image
is.
How many megapixels does a modern digital camera have? - ANSWER-20
megapixels
What doe most digital camera devices have? - ANSWER-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? -
ANSWER-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? - ANSWER-Digital still cameras and digital
video cameras.
What is a use of a digital camera? - ANSWER-You can upload the pictures/videos
and share them as well as edit the photos.
What does photoshopping mean? - ANSWER-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? - ANSWER-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? - ANSWER-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? - ANSWER-1.
Barcode scanners 2. Optical mark readers (OMR) 3.Magnetic ink character readers
(MICR)
Where are barcodes used? - ANSWER-On the back of products
How do barcode scanners capture data? - ANSWER-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? - ANSWER-Used in shops for inputting lottery tickets
How is OMR used in the lottery? - ANSWER-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? - ANSWER-Verifying that cheques are legititmate
How does MICR verify cheques? - ANSWER-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? - ANSWER-A device that is used to
move data between two other devices, such as two computers
What do communication devices allow? - ANSWER-They allow us to transmit data
between devices over a network in various ways.
What are 3 examples of communication devices and system? - ANSWER-Network
interface cards (NIC), wireless dongles, routers
What is the use of a Network interface card? - ANSWER-Allow data to be transferred
to and from a networked computer by connecting an ethernet cable.
Where are NICs used? - ANSWER-Desktop PCs.
What is the use of wireless dongles? - ANSWER-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? - ANSWER-Used in laptops.
What is the use of a router? - ANSWER-Directs data to its correct destination over a
large network.
When is a router required? - ANSWER-Wherever two networks meet.
What are the 6 uses of digital devices? - ANSWER-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? - ANSWER-1. Interactive
Whiteboards
2. Virtual Learning Environments (VLE)
3. Online Learning
,What is the use of interactive whiteboards? - ANSWER-Used by teaches to support
teaching in front of a class
Why are interactive whiteboards multifunctional? - ANSWER-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? - ANSWER-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? - ANSWER-Used in schools
What is a VLE? - ANSWER-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? - ANSWER-They can access their learning at
home so can prepare for exams/homework.
What benefit is a VLE to a teacher? - ANSWER-They can mark the work submitted
by students and so students can access feedback whenever.
Where is online learning used? - ANSWER-Can access the sites through PC or
mobile devices
What does online learning do? - ANSWER-Allows you to access visual content like
videos, animation and audio explanations.
What type of digital camera is used in online learning? - ANSWER-A webcam
(videos can be shared online through different sites)
What three categories are there for Personal use of digital devices? - ANSWER-1.
Entertainment
2. Online shopping and banking
3. Home applicances
Where do we use entertainment systems? - ANSWER-To watch film and TV, listen
to music and play video games.
What are the advantages of streaming films online? - ANSWER-No longer store files
on computers saving space on hard disk.
Accessing media content is now cheaper.
What are digital media players used for? - ANSWER-To access streaming on
television set.
What are video game consoles used for? - ANSWER-Allows us to play games online
with others without needing to be in the same location.
, What is a disadvantage of entertainment systems? - ANSWER-Piracy now occurs
where content (films, music etc.) is illegally transferred over the internet for free.
What does online shopping allow us? - ANSWER-Allows us to purchase anything
and being able to get it delivered the same day.
What does online banking allow us? - ANSWER-Allows us to manage our finances
such as checking our bank statements and transferring money.
What is the benefits of online banking and shopping? - ANSWER--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? - ANSWER-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? - ANSWER-Can help reduce costs and
conserve energy.
What categories are there for social uses of digital devices? - ANSWER-1. Social
Networking
2. Instant Messaging
3. VOIP
What does social networking allow us to do? - ANSWER--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? - ANSWER--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? - ANSWER-Allows us to hold real-
time text-based conversations with others.
What is an advantage of instant messaging? - ANSWER-Messaging is cheaper and
allows us to group message.
Instant messaging is proprietary meaning... - ANSWER-You need the person you
are messaging with to have the same Instant Messaging app.
What is VoIP (Voice over Internet Protocol)? - ANSWER-A type of software that
allows you to have a real time voice and video conversations.
What is an example of VoIP? - ANSWER-Skype
