77 Questions
What technology does a wireless keyboard typically use to connect to a device?
Bluetooth
Which type of mouse is designed to reduce muscle strain and discomfort from prolonged use?
Ergonomic Mouse
What is the primary function of a webcam?
Video conferencing
Which display technology uses electron guns to illuminate phosphors on the screen?
Cathode Ray Tube (CRT)
What is the aspect ratio commonly found in modern monitors?
16:9
Which type of scanner resembles a small photocopy machine and has a flat glass surface for placing documents?
Flatbed Scanner
What is the main purpose of a digital camera?
Photography and videography
What type of printer uses a matrix of small pins to transfer ink onto paper?
Dot Matrix Printer
What is the role of a microphone in the context of computers?
Capture sound waves and convert them into electrical signals
What does a touchscreen allow users to do directly?
Interact with a digital display using touch gestures.
What is the primary function of a modem?
Allow computers to communicate over telephone lines
Which type of printer is known for fast printing speeds and high-quality outputs?
Laser Printer
What is the function of a network card's input functionality?
Send data packets from the network to the computer's processor
What does the resolution of a printer measure?
Quality of printed images in dots per inch (DPI)
How does an inkjet printer produce outputs?
By spraying liquid ink through tiny nozzles onto the paper
What does a touchscreen monitor's output functionality involve?
Displaying visual information to the user
What is the function of a laser printer's electrostatic process?
Transferring the image from the drum to paper
What is the significance of a printer's speed feature?
Indicating how many pages can be printed per minute
What is the purpose of a computer speaker system?
To convert digital audio data into an analog signal for sound production
Which device converts digital signals into analog signals suitable for telephone line transmission?
Modem
What defines an input device?
A device that allows you to enter data into a computer and interact with it
Which of the following is NOT considered an input device?
Monitor
What is the purpose of an output device?
To display processed input in a way humans can understand
Which of the following keys are typically located at the top of the keyboard?
Function Keys
What do Navigation Keys on a keyboard include?
Arrow keys, Home, End, Page Up, and Down
Which type of keyboard is the most common type used with desktop computers?
Standard Keyboard
What defines an output device?
A device that displays processed data from a computer
A webcam is considered an output device.
False
A laser printer uses an inkjet process to produce outputs.
False
The primary function of a modem is to convert digital signals into analog signals suitable for telephone line transmission.
True
A wireless keyboard typically uses Bluetooth technology to connect to a device.
False
Digital cameras are primarily used for inputting data into computers.
False
The most common type of keyboard used with desktop computers is the ergonomic keyboard.
False
A flatbed scanner is similar to a sheet-fed scanner but has a feed where papers are fed one at a time.
True
CRT monitors are thinner and consume less power compared to LCD monitors.
False
A webcam is primarily designed for photography and videography purposes.
False
An inkjet printer uses a matrix of small pins to transfer ink onto paper.
False
Digital cameras and webcams serve the same primary function as imaging devices.
False
The aspect ratio commonly found in modern monitors is 4:3.
False
Inkjet printers are commonly used in larger office settings.
False
Laser printers use a laser beam to produce an image on a toner cartridge.
False
The resolution of a printer is measured in pixels per inch (PPI).
False
A modem converts digital data from a computer into a digital signal suitable for transmission over analog communication lines.
False
The primary function of a network card is to convert analog signals from the network into digital signals for the computer to process.
False
Touchscreen monitors can only display visual information (output) to the user.
False
A printer's speed feature is not significant when considering its efficiency.
False
The computer speaker system converts digital audio data into a digital signal using the DAC in the sound card.
False
A flatbed scanner is designed to capture images from photographic prints and convert them into a digital format.
True
A wired mouse connects to a computer without the use of physical wires.
False
A digital camera and a webcam are both primarily used for video conferencing purposes.
False
An ergonomic mouse is specifically designed to increase muscle strain and discomfort during prolonged use.
False
LCD monitors consume more power than CRT monitors due to their thinner design.
False
A network card's primary function is to convert digital signals from the network into analog signals for the computer to process.
False
The primary function of a modem is to convert analog signals from a computer into a digital signal suitable for transmission over analog communication lines.
False
A digital camera captures low-resolution images and videos for professional applications.
False
Webcams come built into laptops or monitors and do not have standalone versions available.
False
An inkjet printer uses LED backlighting to produce bright, vibrant images with better black levels.
False
A laser printer uses an inkjet process to produce outputs.
False
Inkjet printers are commonly used in larger office settings.
False
CRT monitors are thinner and consume less power compared to LCD monitors.
False
Touchscreen monitors can only display visual information (output) to the user.
False
Digital cameras are primarily used for inputting data into computers.
False
What technology does a wireless keyboard typically use to connect to a device?
True
Which type of printer is known for fast printing speeds and high-quality outputs?
True
The aspect ratio commonly found in modern monitors is 4:3.
False
What does a touchscreen allow users to do directly?
True
What is the primary function of a modem?
True
A laser printer uses liquid ink sprayed through tiny nozzles onto the paper.
False
Inkjet printers are commonly used in larger office settings.
False
A modem's primary function is to convert analog signals from the network into digital signals for the computer to process.
False
Network cards receive data packets from the network and send them to the computer's processor for further action.
True
Touchscreen monitors only register touches as inputs and do not display any visual information to the user.
False
The resolution of a printer is measured in dots per inch (DPI).
True
Printers can connect to devices via USB, Ethernet, Wi-Fi, but not Bluetooth.
False
The primary function of a digital camera is to convert digital data from a computer into an analog signal.
False
CRT monitors are thinner and consume less power compared to LCD monitors.
False
Combined input/output devices like modems allow computers to communicate with each other using wireless technology.
False
Test your knowledge on input and output devices used to interact with computers. Learn about the different types of devices like keyboards, mice, scanners, and more.
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