WorksheetsUnit 1.1 How IT can be used to fulfil the needs of organisations
Total questions: 1
Worksheet time: 7hrs 20mins
What is a computing device?
A device that can only input data
A device that can only output data
An all-encompassing term for any piece of equipment that can be connected to a computer's CPU
A device used exclusively for storage
Which of the following is an example of an input device?
Printer
USB drive
Mouse
Monitor
What is the most commonly used input device in a supermarket checkout?
Keyboard
Mouse
Barcode reader
Monitor
What are the functions of a mouse? (Select all that apply)
To print documents
To select items on a screen
To drag and drop items
To scroll through a page
What is a gaming mouse designed for?
To be used in tight spaces
To be durable and accurate for extended periods of play
To help with repetitive strain injury
To be used ambidextrously
What is a distinctive feature of a trackball mouse?
It has a scroll wheel in the center
It has a large ball located at the top or the side
It is built into a laptop or keyboard
It is designed for gaming
Who might find a trackball mouse particularly useful?
People who need an ergonomic mouse for extended periods
People who need to carry a mouse with them
People who prefer using a mouse with a scroll wheel
People who need a mouse for gaming
Why might a touchpad be useful on a portable device?
It can be used with either hand
It does not need to be moved like a mouse
It can be customized with macros
It is more accurate than a mouse
What is the purpose of a Braille keyboard?
To allow users to type without looking at the keys
To provide a layout for faster typing
To help people with vision impairments identify keys by touch
To enter orders more quickly in a fast food restaurant
What is a concept keyboard designed for?
To capture images of documents
To have raised patterns on keys
To have keys with symbols for specific functions, like in a fast food restaurant
To transfer images via Bluetooth
What is the advantage of a flatbed scanner over a handheld scanner?
It is portable and can be used while moving around
It can capture images of hard copy documents and transfer them to a computer
It can be used where the item to be scanned would not fit into a flatbed scanner
It can be used to scan items while moving around in a factory or shop
How can images captured by a digital camera be transferred to other devices?
Using a USB cable or Bluetooth
With a flatbed scanner
By pressing keys with raised patterns
Through a concept keyboard
What is a common feature in most laptops and PCs that allows users to communicate with others on video calls?
Graphics tablet
Joystick
Microphone
Webcam
What device is known for allowing the user to input drawings into the computer using a stylus?
Webcam
Joystick
Microphone
Graphics tablet
Which device is typically used for input when playing computer games and uses buttons known as triggers?
Graphics tablet
Webcam
Microphone
Joystick
For what purposes can a microphone be used according to the text?
To input sound for gaming or participate in an online meeting
To control movements in computer games
To input illustrations using a stylus
To recognize iris as a safety feature
What does a MIDI keyboard use to send signals to the computer?
Bluetooth connection
MIDI or USB cable
Wi-Fi signals
Audio jack
What is a QR code typically used for?
To store and transfer large video files
To store text, such as contact details, or direct the user to a webpage
To encrypt voice communications
To track the location of a mobile device
What type of barcode reader is commonly found in supermarkets?
Hand-held barcode reader
Flatbed barcode reader
QR code reader
Mobile phone scanner
What is the purpose of portable hand-held barcode readers?
To measure the weight of products
To detect counterfeit currency
To keep an automatic record of stock amounts
To play music in the store
What does an optical mark reader (OMR) recognize and input into a computer?
The position of text on a document
The position of marks on a document
The color of marks on a document
The size of marks on a document
Which of the following is NOT an example of use for an optical mark reader (OMR)?
Surveys
Registers
Email sorting
Voting sheets
What is the primary use of magnetic ink character recognition (MICR)?
Reading barcodes on products
Processing credit card transactions
Reading magnetic ink characters on cheques
Encrypting sensitive information
Why is MICR considered a secure method of input?
The magnetic ink characters can be easily altered
The magnetic ink characters cannot be altered
It encrypts all the data automatically
It does not require a magnetic head
What has replaced magnetic stripe readers in many cases?
Barcode readers
Smart cards
Optical character recognition systems
Biometric scanners
What is the purpose of a magnetic stripe reader?
To print information on cards
To enter information stored on the black magnetic stripe of cards
To encrypt data on cards
To create magnetic stripes on cards
Which of the following cards typically uses a magnetic stripe?
Identity cards
Credit cards
Health insurance cards
Membership cards
As a backup method, what do customers do when using magnetic stripe readers?
Swipe the card and enter a PIN
Swipe the card and sign a receipt
Insert the card and enter a security code
Insert the card and provide a fingerprint
What is NOT a use of RFID technology as mentioned in the text?
Tracking items through a supply chain
Monitoring delegates at a conference
Making contactless payments
Tracing the journey of livestock
What is the key difference between RFID and NFC technology?
The shape of the tags
The color of the tags
The transmission range
The type of data they transfer
Which of the following payment services uses NFC technology for contactless payments?
Google Pay
Cash transactions
Check payments
Bank wire transfers
RFID tags do not need to be in the line of sight of the reader because they use:
Sound waves
Radio waves
Light waves
Magnetic fields
What is the maximum range of NFC technology as mentioned in the text?
A few millimetres
A few centimetres
A few metres
A few kilometres
What can sensors record and input into the computer?
Why are sensors considered extremely useful?
Where can sensors be placed?
What are biometric devices used for?
Which of the following is a common use of biometric devices?
What is an output device in the context of computer systems?
A device that allows the computer to receive data
A device that enables the user to input data into the computer
A device that allows the computer to process data
A device that enables the computer to send data to the user
What is the primary function of a screen/monitor as an output device?
It allows the user to control the pointer and select items
It enables the user to view work on screen, including documents, images, videos, and music
It is used to input data into the computer
It enhances the audio quality of the computer
For what purpose might someone prefer to use a projector as their output device?
To listen to music with improved sound quality
To display their screen on a large screen, such as during a business conference
To allow the computer to process data more efficiently
To enable the computer to receive data
Why are speakers considered an important output device for blind users or users with vision impairments?
They can use speakers to control the computer
They can use speakers to input data into the computer
They can use speakers to improve the visual display of the computer
They can use speakers in conjunction with specialist software like a screen reader to hear what is on the screen
What is one advantage of using headphones as an output device?
They allow multiple people to listen to the same audio without privacy
They provide a way to input voice data into the computer
They deliver sound only to the individual using them, offering privacy
They are used to display images and videos to the user
Which type of printer is most common for home use due to its relatively low cost and fairly good print quality?
Laser printer
Dot matrix printer
Thermal printer
Ink-jet printer
Why might a business prefer a laser printer over an ink-jet printer?
Because it is cheaper and prints more slowly
Because it prints faster and has better print quality
Because it can print on carbon-treated sheets
Because it only prints in black and white
What is a characteristic of dot matrix printers that makes them suitable for printing invoices in dirty environments?
They produce high-quality color prints
They are economical per printed page
They are robust and work well in dirty environments
They use a special coating over a print head
What is a unique feature of thermal printers compared to the other printers mentioned?
They use small pins on the print head
They produce a printed image by passing paper with a special coating over a heated print head
They print faster than ink-jet printers
They can print on more than one sheet of paper at a time
What does a dye-sublimation printer use to print on materials other than paper?
Inkjet technology
Heat
Laser engraving
Embossing
Which of the following materials can a dye-sublimation printer print on?
Glass
Wood
Fabric
Stone
What is the difference in output format between a printer and a plotter?
A printer outputs in bitmap format, while a plotter outputs in vector graphics format.
A printer and a plotter both output in bitmap format.
A printer outputs in vector graphics format, while a plotter outputs in bitmap format.
A printer and a plotter both output in vector graphics format.
What is a plotter commonly used to create?
Small-scale, detailed photographs
Large-scale drawings such as maps and architectural drawings
Text documents
3D printed models
What tool does a cutting plotter use to cut shapes into a material?
A laser beam
A printing head
A knife
A drill bit
What type of software does a 3D printer receive instructions from?
CAD (computer-aided design)
PDF (portable document format)
DOC (document file format)
XLS (excel spreadsheet)
What technique is used by a 3D printer to create an object?
Subtractive manufacturing
Additive manufacturing
Injection molding
Compression molding
What is the state of the substance used by a 3D printer to create an object?
Solid
Gas
Liquid
Plasma
What happens to the object after it is printed by a 3D printer?
It is immediately ready for use
It is submerged in water
It is dried or cured before further processing
It is heated to a high temperature
What is the function of the motor-powered arm in a 3D printer?
It heats the printing table
It moves up and down and left and right according to the design program
It cools down the printed object
It supplies the filament
What is a Hard Disk Drive (HDD) primarily used for in a computer system?
To process data quickly and efficiently
To store documents, pictures, music, videos, and software
To enhance the graphics and display of the computer
To cool down the computer's internal components
Which of the following is a characteristic of Solid-state drives (SSD)?
They have moving parts and are slow
They are less expensive than HDD per unit of storage
They use integrated circuits and flash memory to store data
They are not common in mobile devices
What is a magnetic tape drive best suited for?
Quick data processing
Data archiving
Running the computer's operating system
Storing temporary files for fast access
Compared to HDD storage, SSD storage is generally:
More expensive per unit of storage
Slower in data transfer speeds
Less durable and more prone to physical shock
Noisier and has more moving parts
What is the primary advantage of using a pen drive over a hard drive?
It has a larger storage capacity
It is faster to access data
It is small and easy to carry
It is more expensive
What makes a memory card suitable for use in mobile phones?
It has a USB connection
It is robust and portable
It can only be written once
It is the most versatile storage device
Which of the following is true about CDs and DVDs?
They cannot be written on multiple times
They are the best for storing large software applications
They are the most expensive optical storage devices
They are best suited for archiving documents
What is a distinctive feature of Blu-ray discs compared to DVDs?
They have a smaller storage capacity
They have a slower access speed
They have a larger capacity and faster access speed
They are less expensive
What is the basis for the cost of cloud storage?
The size of the storage rented by the user
The speed of data transfer
The type of device used to access the cloud
The brand of the cloud storage provider
What is the function of a motherboard in a computer system?
It generates sounds that can be recorded and played.
It connects the computer to a network and controls data flow.
It acts as a central hub to connect other internal components and allows them to communicate with each other.
It outputs images to a display device and controls each pixel on the screen.
What does a network interface card (NIC) do?
It generates 3D sound for games.
It allows the computer to connect to a network and controls data flow on that network.
It acts as a central hub to connect other internal components.
It outputs images to a display device and controls each pixel on the screen.
What is the purpose of a sound card in a computer?
It distributes electricity from the power supply unit.
It allows the computer to connect to a network and controls data flow.
It generates sounds that can be recorded and played by converting digital data to analogue data and vice versa.
It defines the components that can connect to your computer.
When is a high quality graphics/video card particularly desirable?
When you need to connect to a network.
When you need to generate sounds for recording and playing.
When you need to distribute electricity from the power supply unit.
When you play computer games.
What is the function of the control unit (CU) in the CPU?
It performs calculations and logical operations.
It allows communication between the computer's peripherals and manages instructions and data transfer.
It is the memory unit that holds the data and programs currently in use.
It is responsible for sending the processed data to the output device.
What is another name for the immediate access store (IAS) in the CPU?
Control unit
Arithmetic-logic unit
Random access memory (RAM)
Input device
What types of operations does the arithmetic-logic unit (ALU) perform?
Communication operations only
Memory storage operations only
Calculations (e.g., addition, subtraction, multiplication, and division) and logical operations (e.g., AND, OR, and NOT)
Data transfer operations only
Why might you need a bigger RAM in your computer?
To increase the speed of communication between peripherals
To perform more complex calculations
To store more instructions and data for quick access by the CPU when running many programs at the same time
To enhance the logical operations of the computer
What is the purpose of a port on a computer?
To store data temporarily
To serve as an interface between the computer and its input and output devices
To increase the computer's processing power
To cool down the computer components
What color coding does the PS/2 port use for connecting the mouse and the keyboard?
Red for the mouse and blue for the keyboard
Green for the mouse and purple for the keyboard
Yellow for the mouse and black for the keyboard
Blue for the mouse and red for the keyboard
What is the primary use of serial ports?
Connecting to the internet
Transferring data from sensors sequentially
Connecting audio devices
Charging mobile devices
Which type of port is used by printers, hard drives, modems, and security cameras and transfers multiple bits of data at a time?
Serial port
Parallel port
VGA port
HDMI port
What does VGA stand for and what is its primary use?
Video Graphics Array, used to send digital video signals
Variable Graphics Adapter, used to connect to the internet
Video Graphics Array, used to send analogue video signals
Visual Graphics Adapter, used to process graphics
What has the HDMI port largely replaced and what is it used for?
Replaced the USB port, used for data transfer
Replaced the Parallel port, used for connecting printers
Replaced the VGA port, used for connecting modern audio-visual devices
Replaced the Serial port, used for connecting sensors
What does DVI stand for?
Digital Versatile Interface
Digital Visual Interface
Digital Video Input
Digital Variable Interface
Which of the following is NOT a type of DVI port?
DVI-D
DVI-A
DVI-I
DVI-U
What does USB stand for?
Universal Serial Bus
Unified Serial Band
Universal System Base
Unified System Bus
What is the most recent version of USB mentioned in the text?
USB-A
USB-B
USB-C
USB 3.0
What is the primary use of a DisplayPort?
To connect a video source to a computer monitor
To charge devices
To connect Ethernet cables
To transfer only audio signals
What can be transferred simultaneously through a DisplayPort?
Audio and video
USB and Ethernet
Only audio
Only video
What is another name for an Ethernet port?
802.1
802.2
802.3
802.4
![[Ôn tập Nghề Tin] Phần 2 - MS WORD (itnbk)](https://cf.quizizz.com/image/image-loader.svg)
