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Computer Hardware: Input and Output Devices Quiz
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Computer Hardware: Input and Output Devices Quiz

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Questions and Answers

Which type of mouse has no moving parts and can be used on any surface?

  • Touch pads
  • Optical mouse (correct)
  • Wireless mouse
  • Gaming mice
  • What type of readers are heavily used in grocery stores for automated checkout and inventory control?

  • Bar Code Readers (correct)
  • RFID Readers
  • Character and Mark Recognition Readers
  • Card Readers
  • What is the main function of Radio-frequency identification (RFID) Readers?

  • Recognizing special characters and marks
  • Reading preprinted characters
  • Tracking pets (correct)
  • Scanning bar codes
  • Which type of scanning device is commonly used to read encoded characters on checks in banks?

    <p>Character and Mark Recognition Readers</p> Signup and view all the answers

    What type of image capturing device captures images digitally and stores them in memory?

    <p>Digital Camera</p> Signup and view all the answers

    What marked the beginning of widespread commercial use of mainframe computers?

    <p>Introduction of the IBM 1401 and 7090 transistorized machines</p> Signup and view all the answers

    During which era did mainframe computers become powerful enough to support thousands of online remote terminals?

    <p>General-purpose mainframe and minicomputer era</p> Signup and view all the answers

    What did the proliferation of PCs in the 1980s and early 1990s launch?

    <p>Spate of personal desktop productivity software tools</p> Signup and view all the answers

    Which stage marked the introduction of the IBM 360 series?

    <p>General-purpose mainframe and minicomputer era</p> Signup and view all the answers

    During which era did mainframe computers come into widespread commercial use?

    <p>Transistorized machines era</p> Signup and view all the answers

    What type of storage is volatile and temporary?

    <p>RAM</p> Signup and view all the answers

    Which technology saves files by altering the magnetic charges of the disk's surface to represent 1s and 0s?

    <p>Hard disks</p> Signup and view all the answers

    What type of printers use a laser light beam to produce images?

    <p>Laser printers</p> Signup and view all the answers

    What is the primary characteristic used to describe the amount of time required to retrieve data from storage?

    <p>Access speed</p> Signup and view all the answers

    What characteristic defines the how much the media can hold in terms of data and programs?

    <p>Capacity</p> Signup and view all the answers

    Which component is responsible for controlling communication for the entire computer system?

    <p>System board</p> Signup and view all the answers

    What is the function of the Control Unit in a CPU?

    <p>Tells the computer system how to carry out a program’s instruction</p> Signup and view all the answers

    What is the purpose of Flash Memory in a computer system?

    <p>To combine the features of RAM and ROM</p> Signup and view all the answers

    What is the function of a TV Tuner when installed in a computer?

    <p>To use Windows Media Center as a DVR</p> Signup and view all the answers

    What is the purpose of a power supply unit in a desktop computer system?

    <p>To convert alternating current (AC) from wall outlets or batteries into direct current (DC)</p> Signup and view all the answers

    What is the main characteristic of the client/server computing architecture?

    <p>The server provides client computers with a variety of services and capabilities.</p> Signup and view all the answers

    In the early 1990s, what did firms turn to for networking standards and software tools?

    <p>Integration of disparate networks and applications</p> Signup and view all the answers

    What does cloud computing refer to?

    <p>A model of computing that provides access to a shared pool of computing resources over a network</p> Signup and view all the answers

    What factor determines the power of personal computers?

    <p>The type of microprocessor used</p> Signup and view all the answers

    What is the main characteristic of laptops compared to desktops?

    <p>Laptops are portable and much smaller</p> Signup and view all the answers

    Which of the following is NOT a characteristic of solid-state drives (SSDs)?

    <p>Contain moving parts</p> Signup and view all the answers

    What is the capacity range of USB Drives (or Flash Drives)?

    <p>1 GB to 256 GB</p> Signup and view all the answers

    What do lands represent on portable optical discs?

    <p>1s and 0s</p> Signup and view all the answers

    What type of data storage cannot be written to or erased?

    <p>Compact disc - read only mode</p> Signup and view all the answers

    What technology will potentially extend Moore’s Law into the next decade according to the text?

    <p>Quantum Computing</p> Signup and view all the answers

    Study Notes

    Input Devices

    • Optical mice have no moving parts and can be used on any surface.
    • Barcode readers are heavily used in grocery stores for automated checkout and inventory control.

    Scanning Devices

    • Magnetic Ink Character Recognition (MICR) is commonly used to read encoded characters on checks in banks.
    • Radio-frequency identification (RFID) Readers are used to track and identify objects.

    Image Capturing Devices

    • Digital cameras capture images digitally and store them in memory.

    Mainframe Computers

    • The IBM System/360, introduced in 1964, marked the beginning of widespread commercial use of mainframe computers.
    • Mainframe computers became powerful enough to support thousands of online remote terminals during the 1970s and 1980s.

    Personal Computers

    • The proliferation of PCs in the 1980s and early 1990s launched the client-server architecture.
    • The System/360 series was introduced in the 1965 era.

    Storage

    • RAM (Random Access Memory) is volatile and temporary storage.
    • Hard disk drives use magnetic charges to represent 1s and 0s.
    • Laser printers use a laser light beam to produce images.

    Performance Characteristics

    • Access time is the primary characteristic used to describe the amount of time required to retrieve data from storage.
    • Capacity defines how much the media can hold in terms of data and programs.

    CPU and Control Unit

    • The Control Unit is responsible for controlling communication for the entire computer system.
    • The function of the Control Unit in a CPU is to retrieve and execute instructions.

    Memory and Storage

    • Flash Memory is used to store data in a computer system.
    • TV Tuners, when installed in a computer, allow for TV signal reception.

    Power Supply

    • The power supply unit in a desktop computer system provides power to all components.

    Networking and Cloud Computing

    • Client-server computing architecture is defined by multiple clients connected to a central server.
    • In the early 1990s, firms turned to TCP/IP for networking standards and software tools.
    • Cloud computing refers to on-demand access to a shared pool of computing resources.
    • The processing power of personal computers determines their capability.

    Laptops and Desktops

    • Laptops are characterized by their portability compared to desktops.

    Storage Devices

    • Solid-state drives (SSDs) are characterized by their high speed and low power consumption.
    • USB Drives (or Flash Drives) have a capacity range from 1GB to 1TB.
    • Lands on portable optical discs represent the reflective material.

    Data Storage

    • Read-Only Memory (ROM) is a type of data storage that cannot be written to or erased.

    Emerging Technology

    • Nanotechnology will potentially extend Moore’s Law into the next decade.

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    Related Documents

    2.0 CHAPTER 2 - HARDWARE.pdf

    Description

    Test your knowledge of input and output devices with this quiz. Learn about keyboards, pointing devices, game controllers, styluses, scanning devices, and more.

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