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Questions and Answers
What is the primary function of the Central Processing Unit (CPU) in a computer system?
Which of the following is a limitation of computers highlighted in the text?
What is one significant challenge related to computer systems discussed in the text?
Which component of a computer system provides temporary storage for data and instructions currently in use by the CPU?
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What contributes to environmental challenges related to computer systems?
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What is a common vulnerability faced by computers according to the text?
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What is firmware?
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How is liveware defined in the text?
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What does software refer to in a computer system?
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Which component is responsible for controlling the operation of specific hardware components?
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What characteristic of computers minimizes errors associated with human intervention?
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Which term categorizes the physical components of a computer system?
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What is the primary purpose of chorded keyboards?
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Which of the following devices is primarily used for visually impaired users to type in Braille?
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What is the commonality among devices like Mouse, Trackball, Joystick, and Wii Remote?
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Which type of device is designed to capture audio and visual data for processing by a computer?
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What is the primary function of pointing devices in a computer system?
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Which specialized keyboard design aims to reduce strain during typing by featuring a more natural hand placement?
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What type of card readers are designed to read cards embedded with a smart chip?
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Which type of card readers use radio waves to read data from RFID tags?
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Which device is NOT commonly used for processing credit and debit card transactions?
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In what applications are magnetic stripe readers widely used?
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What type of scan do RFID readers often perform without requiring physical contact with the card?
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Which of the following devices is NOT typically included in a list of input card reader devices?
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Which type of card reader requires the card to be inserted into the reader?
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What is the primary function of barcode scanners?
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What is a common application of smart cards?
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Which type of cards are commonly read using memory card readers?
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What additional security feature do some biometric card readers incorporate?
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What type of input do input sensors detect and respond to?
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Study Notes
Input Devices
- There are various types of input devices used in multimedia systems, video conferencing, content creation, and digital communication.
- Examples of input devices include:
- Microphone
- Webcam
- Digital Camera
- Camcorder
- Video Capture Card
- Document Camera
- Digital Scanner
- Voice Recorder
- VR Headsets with Cameras
- Barcode Scanner
Input Card Readers
- Input card readers are devices used to read data from a card-shaped storage medium.
- Examples of input card readers include:
- Magnetic Stripe Readers
- Chip Card Readers (EMV Readers)
- RFID (Radio-Frequency Identification) Readers
- Barcode Scanners
- Smart Card Readers
- Memory Card Readers
- Biometric Card Readers
Input Sensor Devices
- Input sensors are devices that detect and respond to some type of input from the physical environment.
- Examples of input sensors include:
- Light sensors
- Heat sensors
- Motion sensors
- Moisture sensors
- Pressure sensors
Other Input Devices
- Keyboards are peripheral devices that use an arrangement of buttons or keys to act as mechanical levers or electronic switches.
- Examples of specialized keyboards include:
- Chorded Keyboards
- Braille Keyboards
- Smart Pens are used for writing or drawing.
- Video Input Devices, Audio Input Devices, Biometric Input Devices, and Ergonomic Keyboards are also used for input.
Pointing Input Devices
- Pointing devices are hardware devices that allow the user to control the movement of a cursor or pointer on a computer screen.
- Examples of pointing devices include:
- Mouse
- Trackball
- Joystick
- Pointing stick
- Wii Remote
- Finger tracking
- Graphics tablet
- Stylus
Audio-Visual Input Devices
- Audio-visual input devices are peripherals that capture audio and visual data and send it to a computer for processing, storage, or transmission.
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Description
Learn about the different types of software such as firmware and liveware, and their roles in a computer system. Explore how firmware is embedded in hardware components and how liveware refers to the human aspect of a computer system.
