Computer Input and Output Devices Quiz
48 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is a key disadvantage of using a webcam?

  • They are cheaper than digital cameras.
  • They can function without a computer.
  • They offer high-resolution images.
  • They often have poor picture quality. (correct)

    • Which advantage is associated with digital cameras?

  • They require no editing software.
  • They do not need computer literacy to operate.
  • They produce better quality photographs than traditional cameras. (correct)
  • They enhance images automatically.

    • What is a significant disadvantage of using a scanner?

  • Scanners are not faster than typing.
  • Scanners do not store images.
  • They cannot recover damaged documents.
  • The quality can be limited by scanner resolution. (correct)

    • What advantage does a microphone offer compared to typing?

    <p>It is faster to input text than using a keyboard.</p> Signup and view all the answers

    Which of the following is a disadvantage of using a barcode reader?

    <p>Barcodes can be swapped affecting pricing.</p> Signup and view all the answers

    What is an essential function of output devices?

    <p>They display information in a format that is understandable to users.</p> Signup and view all the answers

    Which of the following output devices primarily converts data into audio format?

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

    What is a common disadvantage of microphones?

    <p>Voice typing is generally less accurate than manual typing.</p> Signup and view all the answers

    What is a common feature of wired keyboards?

    <p>They are connected to the computer via a wire.</p> Signup and view all the answers

    Which keyboard layout is most widely used?

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

    What is one of the functions of a digital camera?

    <p>To capture and store images digitally.</p> Signup and view all the answers

    What technology allows wireless keyboards to operate without cords?

    <p>Radio frequency (RF) technology.</p> Signup and view all the answers

    What type of device is a light pen most similar to in function?

    <p>Touchpad.</p> Signup and view all the answers

    How can one issue commands to a computer using a keyboard?

    <p>By pressing specific keys.</p> Signup and view all the answers

    Which of the following statements about touch screens is NOT correct?

    <p>They can capture images and store them.</p> Signup and view all the answers

    What is a primary use of a computer keyboard?

    <p>To type text data.</p> Signup and view all the answers

    What is the primary distinction between hardcopy and softcopy in computer output?

    <p>Hardcopy is produced by printers while softcopy is displayed on screens.</p> Signup and view all the answers

    Which of the following monitors uses a cathode-ray tube?

    <p>CRT Monitor</p> Signup and view all the answers

    What happens inside a cathode-ray tube to create an image on the screen?

    <p>Electrons are fired at a phosphor-coated screen.</p> Signup and view all the answers

    What is the main function of a monitor in a computer system?

    <p>To display processed information to the user.</p> Signup and view all the answers

    What type of monitor typically uses liquid crystal displays to show information?

    <p>LED Monitor</p> Signup and view all the answers

    What role does the anode play in a cathode-ray tube monitor?

    <p>It positively charges the electrons emitted by the cathode.</p> Signup and view all the answers

    Which of the following best describes an LED monitor?

    <p>It combines liquid crystals with light-emitting diodes for display.</p> Signup and view all the answers

    Which of the following is NOT a common size for CRT monitors?

    <p>32 inches</p> Signup and view all the answers

    What process involves transferring data from memory to a storage medium?

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

    Which storage device typically has a larger capacity than a floppy disk?

    <p>Pen drive</p> Signup and view all the answers

    How many bytes are approximately in a gigabyte (GB)?

    <p>1 billion bytes</p> Signup and view all the answers

    What is the exact number of bytes in a kilobyte (KB)?

    <p>1,024 bytes</p> Signup and view all the answers

    Which of the following categories is NOT a type of computer storage?

    <p>Tertiary Storage</p> Signup and view all the answers

    What unit is used to represent the smallest amount of data that a computer can process?

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

    Which type of memory refers to Random Access Memory (RAM)?

    <p>Primary Storage</p> Signup and view all the answers

    How much data can a terabyte (TB) approximately hold?

    <p>1 trillion bytes</p> Signup and view all the answers

    Which type of optical disc allows data to be both read and written, but not erased?

    <p>DVD-R</p> Signup and view all the answers

    What is one of the recommended practices for caring for optical discs?

    <p>Hold the disc by its edges.</p> Signup and view all the answers

    Which type of optical disc can be erased and reused multiple times?

    <p>DVD-RW</p> Signup and view all the answers

    What is a common use of optical discs?

    <p>Transferring data between devices</p> Signup and view all the answers

    In terms of data storage capacity, which of these is the correct order from highest to lowest?

    <p>Hard Disk Drive &gt; Pen Drive &gt; CD</p> Signup and view all the answers

    Which of the following types of optical discs can only be read and not written or erased?

    <p>CD-ROM</p> Signup and view all the answers

    Which storage device has the fastest access time?

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

    Which guideline is NOT recommended for the care of optical discs?

    <p>Expose discs to excessive heat</p> Signup and view all the answers

    What is the primary function of the start screen in Windows 10?

    <p>To access the most used applications and all installed apps</p> Signup and view all the answers

    Which of the following accurately describes the function of tiles in Windows 10?

    <p>They serve as shortcuts that allow launching apps with one click</p> Signup and view all the answers

    What does a thumbnail provide for folders or files?

    <p>A small image preview for easy identification</p> Signup and view all the answers

    Which step is NOT part of enabling thumbnail preview in Windows 10?

    <p>Click on 'Create a new folder' to enable thumbnails</p> Signup and view all the answers

    What is the purpose of a folder in a computer system?

    <p>To serve as a storage space for files and other folders</p> Signup and view all the answers

    Which statement about files is incorrect?

    <p>Files can only contain text information.</p> Signup and view all the answers

    What defines a system folder?

    <p>A folder containing information about the operating system.</p> Signup and view all the answers

    How can a subfolder be defined?

    <p>A folder within another folder.</p> Signup and view all the answers

    Study Notes

    Computing for Junior High Schools Basic 7-9

    • This textbook is based on the updated curriculum for computing issued by the National Council for Curriculum and Assessment (NaCCA) of the Ghana Education Service/Ministry of Education.
    • It covers computing topics for Junior High Schools, Basic 7-9.
    • Copyright is held by E. H. Mantey, 2023.
    • Contact information for the author is provided.

    Content

    • The book contains content for Basic 7, 8, and 9.

    Acknowledgement

    • The author is grateful to God for the direction and strength to complete the task.
    • Thanks are given to Rev. J.K. Bempong for advice and spiritual support.
    • Appreciations are extended to Mr. Awuni Samuel and Mr. Richard Mensah Gyapong for their support and corrections.
    • Gratitude to the Mantey family for their assistance.

    Dedication

    • The book is dedicated to the author's late Grand Father T. S. Danquah and children Eden Danquah Mantey, and Jason Jude Mantey.

    Table of Contents

    • The table of contents provides page numbers for each strand and sub-strand.
    • Strands include Introduction to Computing, Productivity Software, Communication Networks, and Computational Thinking.

    Studying That Suits You

    Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

    Quiz Team

    Related Documents

    Achievers Computing for JHS Basic 7-9 PDF

    Description

    Test your knowledge on the advantages and disadvantages of various computer input and output devices. This quiz covers topics including webcams, microphones, scanners, keyboards, and digital cameras. Understand their functions and the technology behind them.

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser