Computer Hardware Overview
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Computer Hardware Overview

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Questions and Answers

What is the equivalent of one kilobyte (KB)?

  • 1,000 bytes
  • 512 bytes
  • 1,024 bytes (correct)
  • 1,048 bytes

    • Which component of the CPU is responsible for directing all its operations?

  • Control Unit (CU) (correct)
  • Cache Unit
  • Memory Unit
  • Arithmetic Logic Unit (ALU)

    • What is the primary function of a processing device in a computer?

  • To retrieve data only
  • To process and control data storage (correct)
  • To store data permanently
  • To generate graphical output

    • Which of the following is NOT a primary component of a CPU?

    <p>Expansion Slot</p> Signup and view all the answers

    What is the equivalent of one terabyte (TB)?

    <p>1,024 gigabytes (GB)</p> Signup and view all the answers

    Which of the following best describes the function of the motherboard?

    <p>To connect all parts of the computer together</p> Signup and view all the answers

    Which storage device is used for small data capacity?

    <p>Floppy disk</p> Signup and view all the answers

    Which term refers to the brain of the computer?

    <p>Central Processing Unit (CPU)</p> Signup and view all the answers

    Which generation of computers primarily utilized vacuum tube technology?

    <p>First Generation</p> Signup and view all the answers

    Which device is classified as a processing device in a computer system?

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

    Which of the following statements about Random Access Memory (RAM) is true?

    <p>RAM is volatile storage.</p> Signup and view all the answers

    What technology is utilized in the third generation of computers?

    <p>Integrated Circuits (IC)</p> Signup and view all the answers

    Which keyboard shortcut is commonly used to copy selected text?

    <p>Ctrl + C</p> Signup and view all the answers

    In the context of file deletion, what happens when a file is deleted by pressing the delete button?

    <p>It is moved to the Recycle Bin.</p> Signup and view all the answers

    Which of the following is an example of an output device?

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

    Which generation of computers is associated with the use of microprocessors?

    <p>Fourth Generation</p> Signup and view all the answers

    What is the purpose of adding borders and shading to a paragraph?

    <p>To highlight the paragraph and make it stand out.</p> Signup and view all the answers

    Which tab stop aligns text to the right at the tab stop?

    <p>Right Tab</p> Signup and view all the answers

    What is the default tab movement when the tab key is pressed?

    <p>½ inch to the right.</p> Signup and view all the answers

    What is the commonly used page size in Sri Lanka?

    <p>A4 8.27” x 11.60”.</p> Signup and view all the answers

    What is the difference between Portrait and Landscape page orientation?

    <p>Portrait is taller than it is wide, while Landscape is wider.</p> Signup and view all the answers

    What default margin setting is applied to a new document in MS Word?

    <p>1 inch on all sides.</p> Signup and view all the answers

    Which of the following is NOT a type of tab stop available in MS Word?

    <p>Margin Tab</p> Signup and view all the answers

    Where can you find options for paragraph borders and shading in MS Word?

    <p>In the Home Tab.</p> Signup and view all the answers

    Which statement about files in the Recycle Bin is accurate?

    <p>Files in the Recycle Bin cannot be restored.</p> Signup and view all the answers

    What happens when you press Shift + Delete on a file?

    <p>The file is deleted permanently.</p> Signup and view all the answers

    What must you do before pasting a file to a new location?

    <p>Copy or cut the file first.</p> Signup and view all the answers

    Which of the following is NOT true about managing files in Windows?

    <p>Folders cannot be copied.</p> Signup and view all the answers

    What is the correct way to create a folder in Windows?

    <p>Open File Explorer, select the partition, then select New Folder.</p> Signup and view all the answers

    What distinguishes double clicking from single clicking?

    <p>Double clicking is typically used to open applications or files.</p> Signup and view all the answers

    What key do you press to apply a name when creating a new folder?

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

    How should a file be saved in Notepad?

    <p>By going to File → Save As.</p> Signup and view all the answers

    What is the first step in renaming a file in File Explorer?

    <p>Right click on the file</p> Signup and view all the answers

    Which of the following actions will permanently delete a file?

    <p>Press Shift + Delete on the keyboard</p> Signup and view all the answers

    How can you view the file format of a selected file?

    <p>By right clicking and selecting properties</p> Signup and view all the answers

    What happens to a file when it is deleted from a folder in File Explorer?

    <p>It is sent to the Recycle Bin</p> Signup and view all the answers

    What is the correct sequence of actions to copy a file from one folder to another?

    <p>Select the file, choose copy, and paste it in the new folder</p> Signup and view all the answers

    What is the action to restore a file from the Recycle Bin?

    <p>Right click on the file and select restore</p> Signup and view all the answers

    Which of the following is NOT required when installing fonts from the Internet?

    <p>Restart the computer after installation</p> Signup and view all the answers

    What is a method to view the current memory of your computer system?

    <p>Open the Control Panel and access the System window</p> Signup and view all the answers

    Study Notes

    Data Storage Units

    • A floppy disk can store 1.44 MB of data, which is equivalent to more than a million characters.
    • A hard drive can hold 1 TB of data.
    • One bit represents a single binary value (1 or 0).
    • One byte consists of 8 bits and stores one ASCII character.
    • 1 kilobyte (KB) equals 1,024 bytes.
    • 1 megabyte (MB) equals 1,024 KB.
    • 1 gigabyte (GB) equals 1,024 MB.
    • 1 terabyte (TB) equals 1,024 GB.
    • 1 petabyte (PB) equals 1,024 TB.
    • 1 exabyte (EB) equals 1,024 PB.

    Processing Devices

    • A processing device receives data, processes it, and outputs results.
    • The Central Processing Unit (CPU), also known as the processor or microprocessor, is a key processing device.
    • The CPU's primary components are the Arithmetic Logic Unit (ALU), the Control Unit (CU), and the Memory Unit.

    Motherboard

    • The Motherboard, or Logic board on Apple computers, connects all computer components.
    • It houses the CPU, RAM, BIOS, expansion slots, and back panel.

    Expansion Slots

    • These slots allow expansion cards to be added for new features.

    Paragraph Formatting

    • Borders and shading highlight paragraphs.
    • Indents and tab stops improve paragraph clarity.
    • The default tab stop moves the cursor ½ inch to the right, which can be customized.
    • Tab stop types include left, center, right, decimal, bar, first line indent, and hanging indent.

    Page Formatting

    • Page size options include Letter (8.5" x 11") and A4 (8.27" x 11.60").
    • Page Orientation can be Portrait (vertical) or Landscape (horizontal).
    • Page margins are the space between the text and the edge of the document.
    • Headers and Footers are areas at the top and bottom of pages.

    Computer System Exercise Questions

    • Question 1: What are the components of a total computer system?
    • Question 2: Match the following: Mouse, Monitor, Keyboard, Hard Disk, Printer, CPU, Touch Screen with input device, output device, storage device, and processing device.
    • Question 3: State whether the following are TRUE or FALSE:
      • The Motherboard is the glue that holds computer components together.
      • Random Access Memory (RAM) is Read-Only.
      • Cache Memory sits between RAM and CPU.
      • The Central Processing Unit consists of the Control Unit, ALU, and Registers.
    • Question 4: What are the two types of software? Give two examples of each.
    • Question 5: Name the following ports:

    Computer Environment Exercise Questions

    • Question 1: List steps you see during the bootstrapping process and the final screen displayed.
    • Question 2: Provide file formats for Microsoft Word, Excel, PowerPoint, Photoshop, Acrobat Reader, and Windows Voice Recorder.
    • Question 3: Provide keyboard shortcuts for Save, Open, Copy, Cut, Paste, and permanently deleting a file.
    • Question 4: Explain the purpose of the Recycle Bin and state whether the following are TRUE or FALSE:
      • Deleting a file with the Delete button sends it to the Recycle Bin.
      • Files in the Recycle Bin cannot be restored.
      • Pressing Shift + Delete permanently deletes a file.
      • You must first select a file before deleting it.
    • Question 5: State whether the following are true or false:
      • Cutting a file deletes it from the source.
      • Pasting a file requires it to be copied or cut first.
      • Windows File Explorer can be used for copying, cutting, and pasting files.
      • Cut, Copy, and Paste operations are different in Windows and MS Word.
      • Only files, not folders, can be copied.

    Computer Environment Activity 3.2

    • Powering on your computer: Locate and press the power button.
    • User Accounts: Log in using BCI user account and the password "lab".
    • Desktop:
      • Change the desktop background.
      • Add a screen saver.
      • Double-click on a desktop icon to open an application.
      • Understand the difference between a single click and a double click.
    • Managing Files:
      • Create a folder in File Explorer by selecting a partition, navigating to the Home tab, choosing "New Folder", providing a name, and pressing "Enter".
      • Create a file using Notepad, typing text, going to "File → Save As", selecting a location, naming the file, and clicking "Save".
      • Rename a file or folder by right-clicking, selecting "Rename", typing the new name, and pressing "Enter".
      • Copy and paste files by right-clicking, selecting "Copy", navigating to the destination folder, right-clicking on empty space, and selecting "Paste".
      • Cut and paste files by right-clicking, selecting "Cut", navigating to the destination folder, right-clicking on empty space, and selecting "Paste".
      • Delete files to the Recycle Bin by selecting the file, pressing "Delete", viewing the file in the Recycle Bin, and restoring it from the Recycle Bin.
      • Permanently delete files by selecting the file and pressing "Shift + Delete".
    • Applications:
      • Open applications from the Start Menu.
      • Understand application windows and their features (minimize, maximize, restore, move).
      • Identify file formats by right-clicking on a file and selecting "Properties".
    • Control Panel:
      • Access the System window, find memory information, determine the system's bit version (32 or 64 bit), and identify the processor being used.
      • Install fonts from the Internet by opening the Fonts window in the Control Panel.

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    Description

    Test your knowledge on data storage units, processing devices, and the motherboard. This quiz covers key concepts that are fundamental to understanding computer architecture. Enhance your understanding of how these components work together in a computer system.

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