Categories of Computer Users

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Questions and Answers

What is a typical priority for mobile computer users?

  • Powerful processing capability
  • Long battery life (correct)
  • High-end graphics card
  • Large screen size

Personal computers are typically more expensive than other types of computer systems.

False (B)

What are two common health risks associated with prolonged use of personal computers?

Repetitive Strain Injury (RSI) and eyestrain

End users typically focus on finding a computer system that is ______ and meets their needs.

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

Match the following advantages of personal computers with their corresponding descriptions:

<p>Convenience = Personal computers make it easier to perform everyday tasks. Always Available = Users have constant access to their devices. Increased communication = Having a device always available can lead to increased communication. Capabilities = Convergence and all-in-one devices can enhance productivity.</p> Signup and view all the answers

Which of the following is NOT a disadvantage of having constant access to a personal computer?

<p>Limited portability (D)</p> Signup and view all the answers

Which of the following is NOT a characteristic of a mobile device?

<p>Greater hardware customization (C)</p> Signup and view all the answers

Non-mobile computers are typically designed for use on the go.

<p>False (B)</p> Signup and view all the answers

Mobile computer users generally prefer laptops and tablets over desktop PCs.

<p>True (A)</p> Signup and view all the answers

What is the primary function of a motherboard in a computer system?

<p>The motherboard is the central component of a computer system that connects all other components, such as the CPU, RAM, and storage drives.</p> Signup and view all the answers

What is one potential negative consequence of having constant access to a personal computer?

<p>Addiction to online activities, such as gaming or social media</p> Signup and view all the answers

Mobile devices often rely on ______ connections for network connectivity and peripheral attachments.

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

Match the following terms with their corresponding definitions:

<p>Touchscreen interface = A user interface that allows interaction through touch gestures Limited hardware expansion = The ability to upgrade or add components to a device is restricted Non-mobile devices = Computers designed for stationary use and not intended for portability Processing power = The speed and efficiency of a computer's processor Wired Connectivity = Network connections established through physical cables Power Source = The method by which a device receives its electrical energy</p> Signup and view all the answers

Which of the following software options is designed to convert speech into digital text automatically?

<p>Speech-to-text software (D)</p> Signup and view all the answers

Screen magnification software primarily assists individuals with hearing impairments.

<p>False (B)</p> Signup and view all the answers

What is the main function of a screen reader software?

<p>Screen reader software reads aloud everything on the screen, assisting users with visual impairments.</p> Signup and view all the answers

Mobile devices are typically powered by ______ batteries, enabling them to operate without constant connection to a power source.

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

What is the first troubleshooting step for a sticky keyboard?

<p>Clean the keyboard (B)</p> Signup and view all the answers

Match the following software types with their primary application:

<p>Screen magnification software = Enlarging text, images, and graphics on the screen Screen reader software = Reading aloud content on the screen Speech-to-text software = Converting speech into digital text Braille display software = Presenting text and other information in Braille</p> Signup and view all the answers

Which of these features is NOT typically associated with mobile devices?

<p>Large screen sizes (B)</p> Signup and view all the answers

A wireless mouse that is not responding can be fixed by trying a different USB port.

<p>False (B)</p> Signup and view all the answers

What are two possible solutions for a scanner that is not responding?

<p>The scanner might not be switched on or might not be properly connected to the USB port.</p> Signup and view all the answers

Mobile devices rely solely on Wi-Fi for internet connectivity.

<p>False (B)</p> Signup and view all the answers

If a webcam is not responding, it might be ______ or not selected as the current camera.

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

What are two advantages of using mobile devices in terms of connectivity?

<p>Mobile devices offer wireless connectivity and Bluetooth capabilities, enabling users to connect to the internet and other devices without physical cables.</p> Signup and view all the answers

Match the following hardware problems with their corresponding troubleshooting steps:

<p>Sticky keys = Clean the keyboard with a damp cloth or small brush Mouse pointer jumps on the screen = Use a clean, smooth, non-reflective surface for the mouse Scanner not responding = Check if the scanner is switched on and connected to the USB port Webcam not responding = Make sure the webcam is plugged in, switched on, and selected as the current camera</p> Signup and view all the answers

A slow and unresponsive hard drive can be caused by file fragmentation.

<p>True (A)</p> Signup and view all the answers

Which of the following can cause data corruption on a hard drive?

<p>Incorrect computer shutdown (A), Power failure (B), Programs crashing (C)</p> Signup and view all the answers

A ______ defragmentation utility can help rearrange files on a hard drive to improve performance.

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

How can you check the free space on a hard drive?

<p>Right-click on the drive in File Explorer and view the properties. The properties window will display the free space available on the drive.</p> Signup and view all the answers

Match the following hard drive issues with their possible solutions:

<p>Nearly full storage space = Delete or remove files Hard drive seems slow = Use a disk defragmentation utility Cannot access data = Attempt to fix the hard drive using the properties tools tab in newer versions of Windows.</p> Signup and view all the answers

Virtual Reality (VR) technology allows users to see both the real world and the virtual world simultaneously.

<p>False (B)</p> Signup and view all the answers

What are some common ways users interact with virtual environments?

<p>Users can interact using gestures, controllers, or even physical movement within the virtual environment.</p> Signup and view all the answers

What is a key characteristic of VR experiences?

<p>Immersive and realistic environments (D)</p> Signup and view all the answers

The 'Hidden' file attribute makes a file invisible to all users.

<p>False (B)</p> Signup and view all the answers

Which file attribute indicates a compressed file?

<p>Compressed (A)</p> Signup and view all the answers

The ______ area displays notifications from the operating system.

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

Explain the purpose of the 'Archive' file attribute.

<p>The 'Archive' attribute marks a file for backup purposes, indicating that it should be included in the backup process.</p> Signup and view all the answers

Match the file attributes to their corresponding descriptions:

<p>Hidden = Makes the file invisible in standard directory listings. System = Marks a file as essential to the operating system. Archive = Marks a file for backup purposes. Compressed = Indicates that the file is compressed to save storage space. Encrypted = Encrypts the file's content for security. Temporary = Denotes that the file is a temporary or cache file. Offline = Indicates that the file is not currently accessible because it has been archived or moved to secondary storage.</p> Signup and view all the answers

Task View is a feature exclusive to Windows 11.

<p>False (B)</p> Signup and view all the answers

Which of these is NOT a way to access Task View?

<p>Using the 'Alt + Tab' shortcut (B)</p> Signup and view all the answers

What is the primary function of the notification area?

<p>The primary function of the notification area is to display notifications from the operating system and applications.</p> Signup and view all the answers

Flashcards

Touchscreen Interface

A user interface that allows interaction via tapping and swiping.

Limited Hardware Expansion

Mobile devices have fewer options for hardware upgrades compared to non-mobile devices.

Lower Power Processors

Portable computers typically use processors that consume less power.

Fixed or Stationary Devices

Non-mobile devices are designed to stay in one place, like desktops.

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Wired Connectivity

Non-mobile devices connect through wired methods like Ethernet.

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Greater Hardware Customization

Non-mobile devices often allow extensive upgrades, like RAM and graphics.

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High Power Processors

Non-portable computers have stronger processors for demanding tasks.

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Motherboard

The main circuit board of a computer that connects all components.

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End Users

Individuals who use software applications and do not require advanced computing skills.

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Mobile Computer Users

Users who prefer lightweight and portable devices like laptops and tablets, prioritizing battery life.

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Affordability of PCs

Personal computers are generally affordable compared to other computer systems.

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Convenience of Personal Computers

Personal computers enhance efficiency in everyday tasks like shopping, banking, and research.

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Always Available

Personal devices are always accessible, allowing users constant connectivity on the move.

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Increased Communication Risks

Constant device connectivity can lead to overwhelming amounts of messages, risking important communications.

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Health Risks of Prolonged Use

Extended device usage can lead to health issues like Repetitive Strain Injury and eyestrain due to non-ergonomic devices.

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Addiction Potential

Easy access to devices can lead to addictions like gaming and online relationships.

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Screen Magnification Software

Software that increases the size of text, images, and cursor on a screen for better visibility.

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Screen Reader Software

Software that reads aloud everything displayed on the screen for users with poor vision.

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Speech-to-Text Software

Technology that converts spoken words into digital text automatically.

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Portable Devices

Small, lightweight technology designed for mobile use, like smartphones or tablets.

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Wireless Connectivity

The ability of mobile devices to connect to the internet and other devices without cables.

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Battery-Powered Devices

Devices that run on rechargeable batteries, allowing mobility without plugging in.

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Accessibility Features

Tools and options in software that support users with disabilities to use technology effectively.

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Active Window Flashing

A visual cue where the active window flashes as an alternative to sound notifications.

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Sticky Keyboard

When keys do not pop back up quickly after being pressed.

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Keyboard Not Responding

A keyboard that does not input any commands to the computer.

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Cleaning Keyboard

Process of wiping the keyboard with a damp cloth or brush to remove dirt.

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Mouse not responding

A mouse that does not control the cursor on screen effectively.

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Erratic Mouse Movement

When the mouse pointer moves randomly or 'jumps'.

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Scanner Errors

Problems related to image size or quality during scanning.

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Scanner Not Responding

When a scanner fails to turn on or connect properly.

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Webcam Issues

Problems with the webcam like not being detected or functioning.

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Storage Space Full

Indicates that a storage device has limited free space available.

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Check Free Space

Verify available space on a drive by accessing its properties.

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Fragmented Hard Drive

When files are scattered across the disk, slowing access speed.

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Disk Defragmentation

Process to reorganize scattered file pieces on a hard drive for efficiency.

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Corrupt Files

Data that cannot be accessed due to damage or improper shutdown.

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Power Failures

Unexpected shutdowns that can lead to file corruption on drives.

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Virtual Reality (VR)

A technology that immerses users in a digital environment using headsets.

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Immersive Experiences

Experiences that make users feel fully present in a virtual environment.

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Hidden Attribute

Makes the file invisible in standard directory listings.

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System Attribute

Marks a file as essential to the operating system.

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Archive Attribute

Marks a file for backup purposes.

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Compressed Attribute

Indicates that the file is compressed to save storage space.

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Encrypted Attribute

Encrypts the file's content for security.

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Temporary Attribute

Denotes that the file is a temporary or cache file.

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Offline Attribute

Indicates that the file is not currently accessible due to being archived.

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Task View

A feature that allows managing and switching between open applications.

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Study Notes

Categories of Computer Users

  • Personal and mobile users: These users need affordable systems for everyday tasks. They prioritize convenience and affordability.
  • SOHO (Small Office/Home Office) users: These users need powerful computers to handle small business workloads. They typically require fast processors, large RAM, and ample storage.
  • Power/Super users: These users are professionals or gamers who prioritize performance over everything else. They need the most powerful hardware possible, such as multiple graphics cards, multiple CPU cores, and large amounts of RAM.

Hardware Specifications

  • Motherboard: The main component of a computer system, connecting various components.
  • CPU/Processor: The component responsible for running programs and processing data. Features include model name/number, clock speed (GHz), the number of cores and threads.
  • Memory (RAM): Temporary storage area for active programs and data, measured in gigabytes (GB).
  • Memory (ROM): Stores the initial instructions for the computer's bootup process.
  • Hard Disk Drive (HDD): Traditional storage, measured in terabytes (TB).
  • Solid State Drive (SSD): Faster storage than HDDs.
  • Video Card (GPU): A separate circuit board improving video processing. Features include model, VRAM capacity (measured in GB), and clock speeds (MHz/GHz).

Input Devices

  • Scanners: Converts physical documents into digital format.
  • Digital Cameras: Captures and stores photos and videos digitally.
  • Biometrics: Use physical characteristics (fingerprints, eye scans) for authentication.
  • Hand-held Devices: Includes smartphones, tablets, and eReaders.

Output Devices

  • Display Devices: Show information to users (monitors), measured by resolution, refresh rate, and brightness.

Storage

  • Online/Cloud: Remote storage accessible via the internet.

Troubleshooting Hardware Problems

  • Keyboard: Sticky keys, not responding (check wireless batteries or USB connection)
  • Mouse: Sticky mouse, not responding;
  • Scanners: Errors in image size or quality; not responding (check the settings of the scanning software or that it is properly connected)
  • Webcam: Not functioning (check current connection or if it is on)
  • Microphone: Check that it is not on mute, check for issues with the connection.

New Technologies

  • Virtual Reality (VR): Creates an immersive digital environment.
  • Augmented Reality (AR): Overlays digital information onto the real world.

Disabled Users - Hardware

  • Braille keyboard and display: Converts digital text to braille.
  • Electronic magnifiers: Magnifies text or images on a screen.
  • Large-key keyboards/high contrast keyboards: Easier to use for users with limited hand/eye strength.
  • Vibrating devices: Replace sounds with vibrations for users with hearing impairments.

Disabled Users - Software

  • Dictation software: Converts speech to text.
  • Optical Character Recognition (OCR) software: Converts scanned documents to digital text.
  • Screen magnification software: Increases the size of text, images, and graphics on a screen.
  • Screen reader software: Reads out loud everything that's on the screen.

File Operations

  • File Properties/Attributes: Settings related to files (names, sizes, locations, creation/modification dates, the format of the data, and other characteristics). File attributes in a file-management system, controlling file access.
  • Windows Operating System: Task View (view open applications); Notification Area (notifications, system events).

Printing Options

  • Printing Queue: Manages the order of print jobs sent to a printer.
  • Default Printer: The designated printer selected to handle print jobs without user selection.
  • Printing Options: Configurable parameters controlling various aspects of the printing process.

Utility Programs

  • Scheduled Update: Automates software updates, backups, and other tasks.
  • Backup/Archive: Creates copies of data to protect it from loss, damage, or modification.
  • Schedule/Update: Facilitates automatic scheduling and updates for tasks, files, and applications

Software Installation

  • Installation Process: The steps involved in installing software on a computer.

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