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Questions and Answers

What is the function of the CPU?

The central processing unit (CPU) is responsible for interpreting and executing commands.

Electrostatic discharge (ESD) can only cause damage to computer equipment if it exceeds 3,000 volts and can be felt by a person.

False

A power supply converts AC power to DC power.

True

Which of these are common voltages supplied by a power supply?

<p>3.3 volts</p> Signup and view all the answers

What is the main purpose of the motherboard?

<p>The motherboard is a printed circuit board that serves as the backbone of a computer. It contains buses, or electrical pathways, that interconnect electronic components.</p> Signup and view all the answers

What is the motherboard form factor?

<p>The form factor of a motherboard refers to the physical size and shape of the board, which determines how individual components attach to it, the type of power supply required, and ultimately the shape of the computer case.</p> Signup and view all the answers

What are the typical types of Memory that computers might use?

<p>Computers typically use Dynamic RAM (DRAM) and Static RAM (SRAM).</p> Signup and view all the answers

What does the term 'Volatile Memory' mean?

<p>Volatile memory, such as RAM, loses its data when the computer is turned off or loses power.</p> Signup and view all the answers

Adapter cards can increase the functionality of a computer by adding controllers for specific devices.

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

What are the main ways that data drives can be classified?

<p>Data drives can be classified based on the media they use to store data. The common types are Magnetic (like hard disk drive and tape drive), Solid state (like SSD), and Optical (like CD and DVD).</p> Signup and view all the answers

What is the difference between a magnetic hard drive (HDD) and a solid-state drive (SSD)?

<p>HDDs store data by using magnetic fields on a rotating platter, while SSDs use flash memory to store data electronically. This means SSDs are faster, quieter, and more energy efficient than HDDs, but they can also be more expensive.</p> Signup and view all the answers

What are the main types of optical drives?

<p>Common types of optical drives include Compact Disc (CD), Digital Versatile Disc (DVD), and Blu-ray Disc (BD), each offering different storage capacities and data transfer rates.</p> Signup and view all the answers

Video ports only transfer digital signals.

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

Which of these are considered I/O Ports on a computer?

<p>Integrated Drive Electronics (IDE)</p> Signup and view all the answers

What is the main purpose of an adapter card?

<p>Adapter cards are used to add extra functionality to computers by providing controllers for specific devices or to replace malfunctioning ports.</p> Signup and view all the answers

What are the different types of expansion slots found on a motherboard?

<p>Common expansion slots include Peripheral Component Interconnect (PCI), Mini-PCI, PCI Express (PCIe), and Accelerated Graphics Port (AGP).</p> Signup and view all the answers

What are some common input devices used by computers?

<p>Some common input devices include a keyboard, mouse, touchscreen, stylus, digital camera, webcam, scanner, microphone, and a variety of controllers used for connecting games.</p> Signup and view all the answers

What are some recent input devices that are gaining popularity?

<p>Recent input devices include Near Field Communication (NFC) devices, facial recognition scanners, fingerprint scanners, voice recognition scanners, and virtual reality headsets.</p> Signup and view all the answers

What are some examples of output devices used by computers?

<p>Some common output devices include monitors, projectors, speakers, headphones, and printers, providing a range of ways for the computer to display information.</p> Signup and view all the answers

A VR headset completely encases the user’s face, blocking out all ambient light, while an AR headset provides a view of the real world with superimposed images.

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

What are some different types of printers available for use?

<p>Common types of printers include inkjet printers, laser printers, 3D printers, and thermal printers. Each type has its own advantages and disadvantages in terms of print quality, speed, cost, and features.</p> Signup and view all the answers

What is the main difference between a laptop and a desktop computer?

<p>The main difference between a laptop and a desktop is portability. Laptops are designed for mobility and have integrated components, while desktops are typically stationary and offer greater expandability.</p> Signup and view all the answers

Smartphones run a special operating system, support apps from app stores and offer cellular connectivity for voice, text, and data services.

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

What are some commonly used wireless connections for mobile devices?

<p>Commonly used wireless connections for mobile devices include Wi-Fi, Near Field Communication (NFC), Bluetooth, and Infrared (IR).</p> Signup and view all the answers

What are some examples of wearable devices?

<p>Wearable devices include smartwatches, fitness trackers, and smart headsets, offering a range of functionality from fitness tracking to health monitoring and even augmented reality experiences.</p> Signup and view all the answers

What are some methods of ensuring secure network connections?

<p>Securing network connections involves implementing measures such as using strong passwords, enabling encryption, and employing firewalls to prevent unauthorized access. VPN connections offer a particularly secure way to connect to a network over an unsecure connection, such as a public Wi-Fi network.</p> Signup and view all the answers

What are the benefits of preventative maintenance?

<p>Preventative maintenance is a key part of ensuring a system’s long-term performance and reliability. Benefits include minimizing downtime, reducing repair costs, and providing a smoother user experience.</p> Signup and view all the answers

When a new operating system is being installed, existing data must be migrated from the old operating system to the new system.

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

What are some common troubleshooting steps for a computer that is not booting up?

<p>Common troubleshooting steps include checking the power supply, verifying that the computer is properly connected, checking for loose cables, and ensuring that the boot order in the BIOS is correct.</p> Signup and view all the answers

What are some of the main functions of the Windows Task Manager?

<p>The Windows Task Manager provides a wealth of information about the current state of the system. It includes tabs for viewing running processes, performance metrics, network usage, startup programs, user activity, and system services.</p> Signup and view all the answers

What are some of the main ways to personalize the Windows desktop?

<p>Personalizing the Windows desktop involves adjusting the appearance by changing themes, rearranging tiles, and managing display settings. Preferences for sound and other elements can also be customized.</p> Signup and view all the answers

Windows 10 only supports 64-bit operating systems.

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

What is the purpose of the Control Panel in Windows?

<p>The Control Panel is a central location for managing various aspects of the Windows operating system. It provides users with access to a wide range of settings and tools to customize their computing experience.</p> Signup and view all the answers

What are some of the main categories of settings found in the Control Panel?

<p>The Control Panel is divided into various categories, including System and Security, Network and Internet, Hardware and Sound, Programs, User Accounts, Ease of Access, Clock and Region, and Appearance and Personalization. Each category allows access to related settings and tools.</p> Signup and view all the answers

What are the different types of user accounts in Windows?

<p>The two main types of user accounts in Windows are Administrator and Standard. Administrator accounts have complete control over the system, while Standard accounts have limited privileges.</p> Signup and view all the answers

The User Account Control (UAC) feature in Windows is designed to prevent unauthorized changes to the system by prompting the user to confirm before making certain changes.

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

What is the purpose of Windows Libraries?

<p>Windows Libraries are an organizational tool designed to group files from various locations based on categories, such as Documents, Pictures, Music, and Videos.</p> Signup and view all the answers

What are file extensions and how are they important in Windows?

<p>File extensions are added to file names and indicate the type, format, or application that a file is associated with. They are important because they help Windows determine which program to use when opening or editing a file.</p> Signup and view all the answers

What is the registry in Windows and what is its purpose?

<p>The Registry is a hierarchical database that stores important system information. It contains information related to settings, applications, user accounts, and other system components.</p> Signup and view all the answers

The Windows Event Viewer provides access to a detailed log of events that have occurred within the Windows operating system.

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

What are the steps involved in the troubleshooting process for a computer that is not working correctly?

<p>The troubleshooting process typically involves identifying the problem, establishing a theory of probable cause, testing the theory to confirm the cause, developing a plan of action, implementing the solution, verifying full functionality, and documenting the findings.</p> Signup and view all the answers

What are some of the common problems related to storage devices?

<p>Common problems related to storage devices include the computer not recognizing the devices, issues with data cables, corrupted data, or configuration issues in the BIOS.</p> Signup and view all the answers

What are some of the common problems related to motherboards and internal components?

<p>Common issues relate to the clock not keeping accurate time, problems with the hard drive not being detected, the CPU fan failing, and issues with the RAM.</p> Signup and view all the answers

What are some common problems related to power supplies?

<p>Common problems with power supplies include the computer not turning on, power fluctuations, or a faulty power supply connection.</p> Signup and view all the answers

What are some common display problems?

<p>Common display issues include a distorted image, a blank screen, or a display that has power but no image, often caused by problems with the video cable, monitor settings, or the display driver</p> Signup and view all the answers

What are some common problems related to the operating system?

<p>Common issues relate to the operating system not responding properly, problems with the boot order, and corrupt or missing files.</p> Signup and view all the answers

The Disk Management utility is a built-in utility that allows users to manage hard drives and partitions, including creating and formatting partitions, assigning drive letters, and deleting partitions.

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

What is meant by 'mounting a drive' in Windows?

<p>Mounting a drive in Windows refers to making a hard drive image, such as an ISO file, accessible to the system as a drive.</p> Signup and view all the answers

What is the purpose of the System Information tool in Windows?

<p>System Information provides a detailed overview of the computer’s hardware and software configuration. It displays important information related to system components, drivers, and settings.</p> Signup and view all the answers

What is the purpose of the System Configuration utility in Windows?

<p>The System Configuration utility, commonly known as 'msconfig,' helps to identify problems that prevent Windows from starting properly.</p> Signup and view all the answers

What is the main purpose of the Registry in Windows?

<p>The Registry is a hierarchical database that stores a wide range of system settings, information about applications, user accounts, and other essential components.</p> Signup and view all the answers

What are the essential functions of the Windows Management Console (MMC)?

<p>The Microsoft Management Console (MMC) is a powerful tool that allows administrators to create and manage custom console snap-ins, providing access to specialized management tools and settings.</p> Signup and view all the answers

What is the purpose of the DxDiag tool in Windows?

<p>DxDiag is a diagnostic tool that provides detailed system information related to DirectX, which is a set of APIs used by various programs, such as games and multimedia applications, to access graphics and sound hardware.</p> Signup and view all the answers

What are some essential commands used in the Windows Command Prompt?

<p>Essential commands include <strong>help</strong> for displaying information about commands, <strong>cls</strong> for clearing the screen, <strong>dir</strong> for listing directory contents, <strong>cd</strong> for changing directories, and <strong>md</strong> for creating new directories.</p> Signup and view all the answers

What is the main purpose of the Windows PowerShell?

<p>PowerShell is a powerful scripting language that provides a command-line interface for managing and automating tasks on Windows systems.</p> Signup and view all the answers

A Domain is a group of computers and electronic devices with a common set of rules and procedures administered by central servers, while a Workgroup is a simpler network where users can access resources shared by each computer.

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

A Homegroup allows users on a home network to easily share files, printers, and other resources, making it easy to share files and peripherals.

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

What are the main types of network shares in Windows?

<p>Main types of network shares are Administrative and Public shares. Administrators share files and folders with other users within a network. Public shares are designed for sharing files and folders with any computer on the network.</p> Signup and view all the answers

In Windows 10, there is no concept of homegroups.

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

What are the different network profile types available in Windows 10?

<p>Windows 10 offers three network profile types: Public, Private, and Work. Public profiles limit sharing, Private profiles allow greater access and sharing, and Work, typically used in corporate settings, offers enhanced security features and control over sharing.</p> Signup and view all the answers

Study Notes

Introduction to Computer Technology

  • Course code: IDP00504
  • Course title: Introduction to Computer Technology

Table of Contents

  • Chapter 1: Introduction to Personal Computer
  • Chapter 2: PC Assembly (page 30)
  • Chapter 4: Preventive Maintenance & Troubleshooting (page 47)
  • Chapter 5: Windows Installation (page 54)
  • Chapter 6: Introduction to Productivity Tools (page 65)
  • Chapter 7: Networking Concepts (page 66)
  • Chapter 8: Basic System Administration (page 78)

Chapter 1 - Introduction to Personal Computer & Hardware

  • 1.1 Personal Computer

    • 1.12 Electrical Safety
      • Electrical devices have specific power requirements.
      • AC adapters are for specific devices.
      • Incorrect AC adapters can damage devices.
      • Some printer components are high-voltage.
      • Follow safety guidelines to prevent accidents.
    • 1.13 ESD
      • Electrostatic discharge (ESD) occurs when electric charges build up.
      • ESD can damage computer equipment if not properly discharged.
      • ESD can be felt at 3000 volts to prevent electrostatic damage.
      • Use anti-static bags for components.
      • Use grounded mats.
      • Use an anti-static wrist strap.
  • 1.2 PC Components

    • 1.21 Cases
      • The case houses internal components (power supply, motherboard, CPU, memory, disk drives).
      • Form factors: horizontal case, full-size tower, compact tower, all-in-one.
    • 1.22 Power Supplies
      • Converts AC to lower voltage DC power for internal components.
      • Form factors include AT, ATX, ATX12V and EPS12V
    • 1.23 Connectors
      • Power various internal components (motherboard, disk drives).
      • Examples: 20-pin/24-pin, SATA, Molex, 4-pin/8-pin auxiliary, 6/8-pin PCIe.
    • 1.24 Power Supply Voltage
      • Common voltages: 3.3V, 5V, 12V.
  • 1.25 Motherboard

    • The motherboard is the computer's backbone.
    • Interconnects electronic components via buses.
    • Components include: CPU, RAM, expansion slots, chipset, BIOS chip, UEFI chip, SATA connectors, internal USB connector.
  • 1.26 Motherboard components

  • 1.27 Motherboard Form Factors

  • 1.28 CPU

  • 1.29 Cooling Systems

  • 1.210 Types of Memory

  • 1.211 Types of ROM

  • 1.212 Types of RAM

  • 1.213 Memory Modules

  • 1.214 Adapter Cards

  • 1.215 Types of Storage Devices

  • 1.216 Magnetic Media Storage

  • 1.217 Semiconductor Storage

  • 1.218 Types of Optical Storage Devices

  • 1.219 Video Ports and Cables

  • 1.220 Other Ports and Cables

  • 1.221 Adapters and Converters

  • 1.222 The Original Input Devices

  • 1.223 New Input Devices

  • 1.224 Most Recent Input Devices

  • 1.225 Output Devices

  • 1.226 Monitors and Projectors

  • 1.227 VR and AR Headsets

  • 1.228 Printers

  • 1.229 Speakers and Headphones

  • 1.3 Laptops and Other Mobile Devices

  • 1.31 Mobility

  • 1.32 Laptops

  • 1.33 Smartphone Characteristics

  • 1.34 Smartphone Features

  • 1.35 Tablets and E-Readers

  • 1.36 Wearables: Smartwatches and Fitness Trackers

  • 1.37 Wearables: Augmented and Virtual Realities

  • 1.38 Motherboard

  • 1.39 Internal Components

  • 1.310 Special Function Keys

  • 1.311 Laptop Display Features

  • 1.312 Wi-fi Antenna Connectors

  • 1.313 Webcam and Microphone

  • 1.314 Bluetooth

  • 1.315 Bluetooth Laptop Connections

  • 1.316 Cellular WAN

  • 1.317 Wi-Fi

  • 1.214 Adapter Cards

  • 1.4 Other Mobile Device Hardware

  • 1.41 Cell Phone Parts

  • 1.42 Wired Connectivity

  • 1.43 Wireless Connections and Shared Internet Connections

  • 1.44 Wearable Devices

  • 1.5 Network Connectivity and Email

  • 1.51 Wireless Data Networks

Chapter 2 - PC Assembly

  • 2.1 Assemble the Computer
  • 2.12 Open the Case and Connect the Power Supply
  • 2.13 Select the Case and Fans
  • 2.14 Select a Power Supply
  • 2.15 Video Demonstration - Install the CPU
  • 2.16 Video Demonstration - Install the RAM
  • 2.17 Video Demonstration - Install the Motherboard
  • 2.18 Select the Motherboard
  • 2.19 Select the CPU and CPU Cooling
  • 2.110 Select the RAM
  • 2.111 Install the Motherboard in a Computer
  • 2.112 Video Demonstration - Install the Drives
  • 2.113 Select Hard Drives
  • 2.114 Select Optical Drives
  • 2.115 Install the Hard Drive
  • 2.116 Install the Optical Drive
  • 2.117 Video Demonstration – Install the Adapter Cards
  • 2.118 Select Adapter Cater Cards
  • 2.119 Other Factors for Adapter Card Selection
  • 2.120 Install the Adapter Cards
  • 2.121 Select a Media Reader
  • 2.122 Select External Storage
  • 2.123 Video Demonstration - Connect the Internal Power Cables
  • 2.124 Video Demonstration - Connect the Internal Data Cables
  • 2.125 Video Demonstration - Install the Front Panel Cables
  • 2.126 Install the Front Panel Cables
  • 2.127 Video Demonstration – Complete the Computer Assembly
  • 2.128 New Terms and Commands

... (and so on for the rest of the chapters)

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