AIU Faculty of Informatics CS - Chapter 5 Storage Mediums Quiz
31 Questions
6 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 the main reason for saving data on permanent storage media?

  • To increase the speed of data access
  • To improve the performance of the CPU
  • To prevent loss of data when the power goes off (correct)
  • To reduce the transfer rate

    • Which of the following is NOT mentioned as an example of storage media?

  • Magnetic strip cards
  • USB flash drives
  • Central Processing Units (CPUs) (correct)
  • Memory cards

    • How is access time measured?

  • In bits per second
  • In milliseconds (correct)
  • In seconds
  • In gigabytes

    • What is the function of access time in a storage device?

    <p>Locate data in the storage medium</p> Signup and view all the answers

    Which type of storage media provides much greater storage capacity than a USB flash drive?

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

    Where are most hard disks housed?

    <p>Inside the system unit</p> Signup and view all the answers

    What is the main difference between connecting an external hard disk and a removable hard disk to a computer?

    <p>External hard disks use USB ports, while removable hard disks are inserted into computer bays</p> Signup and view all the answers

    What are the main components of a hard disk?

    <p>Aluminum platters, motor, and controller</p> Signup and view all the answers

    What is responsible for receiving instructions from the CPU in a hard disk?

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

    What is the function of a cluster in a hard disk?

    <p>It groups sectors for reading and writing purposes</p> Signup and view all the answers

    At what level are hard disks formatted during manufacturing?

    <p>Low-level format</p> Signup and view all the answers

    What is the capacity range of memory cards?

    <p>512 Megabytes to 128 Gigabytes</p> Signup and view all the answers

    What type of drive is a memory card?

    <p>Solid-state drive (SSD)</p> Signup and view all the answers

    What is the purpose of formatting a hard disk after purchase?

    <p>To make it ready for the operating system to store and retrieve data from it, also to divide it into partitions</p> Signup and view all the answers

    What is the storage capacity range of memory cards?

    <p>512 Megabytes to 128 Gigabytes</p> Signup and view all the answers

    What is the main function of an input device?

    <p>To transform keystrokes to electrical signals</p> Signup and view all the answers

    Which type of keys on a keyboard are used for moving within files and internet pages?

    <p>Navigation Keys</p> Signup and view all the answers

    What is the purpose of the numeric keypad on a keyboard?

    <p>To enter numbers quickly</p> Signup and view all the answers

    Which component is responsible for receiving instructions from the CPU in a hard disk?

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

    Which type of storage media offers much greater storage capacity than a USB flash drive?

    <p>External hard disk</p> Signup and view all the answers

    At what level are hard disks formatted during manufacturing?

    <p>Physical level</p> Signup and view all the answers

    Which pointing device fits comfortably under the palm of the hand and has right and left buttons?

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

    What type of input device is sensitive to pressure and motion?

    <p>Touch pad</p> Signup and view all the answers

    Which input device is used to touch a flat surface such as a screen of a computer, a smart or a tablet device, or signature pad?

    <p>Input pen</p> Signup and view all the answers

    Which type of device performs minimal or no processing at all and rather receives instructions from the user and sends it to a server?

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

    What type of input device is used for PC games and gaming consoles?

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

    Which type of device allows users to capture still images or videos of the environment, and store them in digital form?

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

    Which device is connected to the computer and used to broadcast still images or videos on the internet?

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

    What does an optical scanner do?

    <p>Saves time and effort</p> Signup and view all the answers

    What is the main purpose of a pointing device?

    <p>To control the pointer on the computer/device screen</p> Signup and view all the answers

    What does a touch sensitive screen allow the user to do?

    <p>Select characters or files by simply touching the display, scroll between photos by sliding the finger, and zoom by pinching the display.</p> Signup and view all the answers

    Study Notes

    Storage Media

    • Data is saved on permanent storage media to retain it even when the power is turned off.
    • Examples of storage media include hard disks, USB flash drives, and memory cards.
    • CDs and DVDs are not mentioned as examples of storage media.

    Access Time

    • Access time is measured in milliseconds (ms).
    • It is the time taken to access data from a storage device.
    • The function of access time is to determine how quickly a storage device can retrieve data.

    Hard Disks

    • Hard disks have much greater storage capacity than USB flash drives.
    • Most hard disks are housed in a computer's casing.
    • External hard disks are connected to a computer using a cable, whereas removable hard disks are inserted into a slot on the computer.
    • The main components of a hard disk include the platters, read/write head, and actuator.
    • The controller is responsible for receiving instructions from the CPU in a hard disk.
    • A cluster is a group of sectors on a hard disk that are treated as a single unit for storage purposes.
    • Hard disks are formatted at the factory level during manufacturing.

    Memory Cards

    • Memory cards are a type of solid-state drive.
    • The storage capacity range of memory cards is 1MB to 1GB.
    • The purpose of formatting a hard disk after purchase is to prepare it for use.

    Input Devices

    • The main function of an input device is to provide data to the computer.
    • Arrow keys on a keyboard are used for moving within files and internet pages.
    • The numeric keypad on a keyboard is used for fast and easy data entry.
    • A pointing device, such as a mouse, fits comfortably under the palm of the hand and has right and left buttons.
    • A touchpad is a type of input device that is sensitive to pressure and motion.
    • A touchscreen is a type of input device that is used to touch a flat surface, such as a screen of a computer, smart device, or tablet device.
    • A game controller is a type of input device used for PC games and gaming consoles.
    • A webcam is a type of device that allows users to capture still images or videos of the environment, and store them in digital form.
    • A webcam is connected to the computer and used to broadcast still images or videos on the internet.

    Pointing Devices

    • The main purpose of a pointing device is to control the cursor on the screen.
    • A touch-sensitive screen allows the user to interact with the computer by tapping, pinching, and swiping on the screen.

    Optical Scanners

    • An optical scanner reads data from a printed page and converts it into digital form.

    Studying That Suits You

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

    Quiz Team

    Description

    Test your knowledge of storage mediums such as RAM, flash drives, hard disks, optical discs, memory cards, magnetic strip cards, smart cards, microfilm, and microfiche. Understand the differences between volatile and permanent storage media.

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser