Computer Components and Functions Quiz
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Questions and Answers

Which device is used to connect a computer system to the internet?

  • Router
  • Network Card
  • External Hard Drive
  • Modem (correct)

    • What is the primary function of the Arithmetic Logic Unit (ALU) in a CPU?

  • Control of data flow
  • Connecting to external devices
  • Execution of arithmetic and logical operations (correct)
  • Storage of data

    • Which of the following is NOT considered a storage device?

  • Flash Memory
  • Printer (correct)
  • USB Drive
  • Hard Drive

    • What role does the Control Unit (CU) play in a CPU?

    <p>It manages and directs the operation of the processor.</p> Signup and view all the answers

    Which storage device is typically used in digital cameras?

    <p>Memory Card</p> Signup and view all the answers

    Which device is primarily responsible for producing audio output?

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

    Which of the following correctly defines a register in a CPU?

    <p>A high-speed storage area for quick data processing</p> Signup and view all the answers

    What is the main purpose of communication devices in a computer system?

    <p>To allow connection to networks and other devices</p> Signup and view all the answers

    What is the purpose of the CMOS backup battery on a motherboard?

    <p>To store system settings and time</p> Signup and view all the answers

    Which component is primarily responsible for connecting peripheral devices in a PC?

    <p>USB headers</p> Signup and view all the answers

    What is the correct sequence for assembling a computer starting from the motherboard?

    <p>Mount motherboard, install CPU, mount storage drives</p> Signup and view all the answers

    What is the function of the heat sink in a PC?

    <p>To cool the CPU and prevent overheating</p> Signup and view all the answers

    Which step should be performed first while disassembling a PC?

    <p>Unplug your computer and peripheral items</p> Signup and view all the answers

    During PC assembly, which component is typically mounted after the CPU?

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

    What purpose do expansion slots serve on a motherboard?

    <p>To allow additional components like graphics cards</p> Signup and view all the answers

    Which of the following is NOT a step in the disassembly of a PC?

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

    What is the first step in installing a new operating system?

    <p>Choose your OS</p> Signup and view all the answers

    Which of the following is essential to do before installing a new OS?

    <p>Backup your data</p> Signup and view all the answers

    What are the two main types of installation media for installing a new OS?

    <p>USB drives and optical discs</p> Signup and view all the answers

    Why would you choose to dual-boot multiple operating systems?

    <p>For better security and performance</p> Signup and view all the answers

    What is a critical step that may need adjustment during OS installation?

    <p>Changing BIOS or boot menu settings</p> Signup and view all the answers

    What is the primary function of caches in relation to the CPU?

    <p>To reduce memory access latency by storing frequently used data.</p> Signup and view all the answers

    In which installation method would you typically lose all existing data?

    <p>Clean install</p> Signup and view all the answers

    Which OS is NOT commonly mentioned as an option when choosing an operating system?

    <p>Debian Linux</p> Signup and view all the answers

    What action does the CPU take when it receives an interrupt?

    <p>It saves the state of the current process and runs the interrupt handler.</p> Signup and view all the answers

    What is the purpose of preparing installation media?

    <p>To store OS files necessary for installation</p> Signup and view all the answers

    Which components are managed by the CPU's control unit?

    <p>The execution of instructions and flow of data between CPU, memory, and peripherals.</p> Signup and view all the answers

    How does the CPU manage virtual memory?

    <p>By coordinating the swapping of data between RAM and disk storage.</p> Signup and view all the answers

    What is one of the main functions of a motherboard?

    <p>To facilitate communications between various computer components.</p> Signup and view all the answers

    Which of the following operations is NOT performed by the CPU?

    <p>Storing data long-term in external drives.</p> Signup and view all the answers

    When the cache becomes full, the CPU must decide on which data to evict. What is this process called?

    <p>Cache eviction.</p> Signup and view all the answers

    What type of operations does the CPU perform in the context of arithmetic and logic?

    <p>Basic arithmetic and logical operations, including comparisons.</p> Signup and view all the answers

    What is the primary function of the control bus in a computer system?

    <p>Transports orders and synchronization signals</p> Signup and view all the answers

    Which of the following describes the control bus accurately?

    <p>Bidirectional, allowing data flow in both directions</p> Signup and view all the answers

    What does the CPU do after fetching instructions from memory?

    <p>Decodes the fetched instructions</p> Signup and view all the answers

    Which component of the CPU is responsible for performing arithmetic and logical operations?

    <p>Arithmetic Logic Unit (ALU)</p> Signup and view all the answers

    What role do registers play in the functioning of the CPU?

    <p>They temporarily store data and interim results</p> Signup and view all the answers

    How does the CPU handle interrupts?

    <p>By managing them as signals that halt normal program execution</p> Signup and view all the answers

    Which aspect does the control unit of the CPU NOT perform?

    <p>Storing permanent data</p> Signup and view all the answers

    The program counter within the CPU is used for which function?

    <p>Determining the next instruction to execute</p> Signup and view all the answers

    What is the primary function of the Linux Kernel?

    <p>To manage how the computer interacts with its hardware</p> Signup and view all the answers

    Which installation type allows you to keep your existing files and settings?

    <p>Upgrade install</p> Signup and view all the answers

    What is a major feature of a custom install compared to other installation types?

    <p>It allows for selecting specific partitions and drives</p> Signup and view all the answers

    After installing a new operating system, what should be done in the configuration step?

    <p>Customizing language and network settings</p> Signup and view all the answers

    What must be done to restore data after a new OS installation?

    <p>Use backup media or software to restore files</p> Signup and view all the answers

    Which of the following is NOT a type of Linux distribution?

    <p>Chrome OS</p> Signup and view all the answers

    To ensure optimal performance after installing a new OS, which is necessary?

    <p>Activate the OS with a license if required</p> Signup and view all the answers

    What role does the collection of software packages play in a Linux distribution?

    <p>They provide essential tools and utilities for users</p> Signup and view all the answers

    Study Notes

    IT-Workshop Course Information

    • Course Code: 100113
    • Instructor: Prof. Tapan Kumar
    • Institution: Purnea College of Engineering, Purnea
    • Affiliation: Bihar Engineering University, Patna (DSTTE, Patna, Govt. of Bihar)

    Module 1: PC Hardware (6 Lectures)

    • Topics Covered:
      • Identification of computer peripherals
      • CPU components and functions
      • Block diagram of the CPU and configuration of each peripheral
      • Motherboard functions
      • Assembling and disassembling a PC
      • OS installation
      • Basic Linux commands

    Block Diagram of a Computer

    • Central Processing Unit (CPU):
      • Contains the Control Unit and Arithmetic Logic Unit (ALU).
      • The control unit fetches, decodes, and executes instructions.
      • The ALU performs arithmetic and logical operations.
    • Main Memory: Stores instructions and data currently being used.
    • Auxiliary Storage: Stores data and programs not currently in use.
    • Input Devices: Mouse, keyboard, etc.
    • Output Devices: Monitor, printer, etc.

    Identification of Peripherals

    • Peripheral Device: An input/output device used by a computer, but isn't the main CPU
    • Classification:
      • Input Devices
      • Output Devices
      • Storage Devices
      • Communication Devices

    Input Devices

    • Examples: Keyboard, mouse, scanner, microphone
    • Keyboard: Enters text and commands.
    • Mouse: Controls the cursor on the screen.
    • Scanner: Converts physical documents to digital files.
    • Microphone: Records audio.

    Output Devices

    • Examples: Monitors, headphones, printers, speakers
    • Monitor: Displays visual information.
    • Printer: Creates physical copies of documents and images.
    • Speaker: Produces audio.

    Storage Devices

    • Examples: Hard drive, USB drive, memory card, external hard drive
    • Hard Drive: Stores data and files on a computer system.
    • USB Drive: Portable storage device that connects to a computer.
    • Memory Card: Portable storage device used in digital cameras and smartphones.
    • External Hard Drive: Connects to a computer to provide additional storage.

    Communication Devices

    • Examples: Modem, Network Card, Router
    • Modem: Allows a computer to connect to the internet.
    • Network Card: Connects a computer to a network.
    • Router: Allows multiple devices to connect to a network.

    Components in a CPU and its Functions

    • Central Processing Unit (CPU):
      • Interprets and executes instructions from the computer's memory.
      • Includes arithmetic and logical operations.
      • Controls data flow.
    • Registers: High-speed storage within the CPU.
    • Bus Interface Unit (BIU): Fetches instructions from memory.
    • Instruction Decoder: Decodes instructions.
    • Clock: Internal timing device (measured in Hertz).
    • Pipeline: Allows multiple instructions to be executed simultaneously.
    • Floating-Point Unit (FPU): Performs mathematical operations on floating-point numbers.

    What is a Computer Bus?

    • A communication system within a computer or between computers.
    • A set of physical connections (cables, circuits) that transfers data.
    • Connects memory and input/output devices to the CPU.

    Types of Computer Buses

    • Address Bus: Identifies memory locations.
    • Data Bus: Transfers data between parts of the computer.
    • Control Bus: Transfers control information between the CPU and other devices.

    Functions of a CPU

    • **Fetching Instructions:**Retrieves instructions from memory in a specific order set by the program counter.
    • Decoding Instructions: Control unit decodes fetched instructions.
    • **Executing Instructions:**CPU carries out calculations, data manipulations, or control flow activities required by the instructions.

    Managing Registers

    • Registers: Temporarily store data needed for calculations.

    Controlling Program Flow

    • Program Counter (PC): Part of the CPU that determines the next instruction.

    Handling Interrupts

    • Signals that stop a program from running to handle urgent requests (e.g., keyboard, timer).

    Managing Caches

    • Fast memory modules placed closer to the CPU.
    • Stores frequently used instructions and data to reduce memory access delays.

    Arithmetic and Logic Operations

    • Basic arithmetic operations (addition, subtraction, multiplication, division).
    • Logical operations (comparisons, bitwise operations).

    Control Unit

    • Coordinates and manages the execution of instructions.
    • Controls data flow between the CPU, memory, and other peripherals.

    Virtual Memory Management

    • Allows processes to use more memory than physically available.

    Interrupt Handling

    • Handles signals from hardware and software requiring immediate attention.

    I/O Operations

    • CPU communicates with input/output devices and coordinates data transfers.

    Introduction to Motherboards

    • Connects hardware components (CPU, RAM, hard drive, video card)
    • Provides power.
    • Allows components to communicate.

    Functions of the Motherboard

    • Central Hub: Connects all computer components.
    • Power Distribution: Distributes electrical power from the power supply to other components.
    • Data Communication: Enables data transfer through buses (data, address, and control buses).
    • Input/Output Interfaces: Provides connections for input/output devices (e.g., USB ports, audio jacks, network interfaces).

    Motherboard Components (Examples)

    • BIOS/UEFI Firmware
    • Expansion Slots
    • Chipset Integration
    • Memory Management

    Assembling and Disassembling a PC

    • Assembly Steps: Opening the case, mounting the motherboard, installing the CPU, installing the power supply, mounting memory, installing the graphics card, mounting drives, and connecting peripherals.
    • Disassembly Steps: Unplugging the computer and peripherals, removing the side covers, disconnecting connectors, unscrewing the motherboard from the frame, etc.

    Installation of an Operating System (OS)

    • Choosing OS: Considering factors like compatibility, performance and personal preference
    • Data Backup: Copying data to another drive, etc.
    • Prepare Installation Media: Optical discs, USB drives
    • Install the OS: Configures the OS.
    • Configure the OS: Customizing settings like language, time, and networks.
    • Restore Data and Programs: Returning backed up files and programs.

    Basic Linux Commands

    • Introduction to Linux: A widely used, open-source operating system, built on the Linux Kernel.
    • Linux Kernel (Brain): Manages interaction with hardware.
    • Linux Distributions: Bundled software packages and utilities that make Linux functional (examples, Ubuntu, Debian, etc.)
    • Example Linux Commands:
      • ls: Displays files
      • pwd: Shows current directory
      • mkdir: Creates directories
      • cd: Changes directory
      • rmdir: Removes directories
      • cp: Copies files
      • mv: Moves/renames files and folders
      • rm: Removes files
    • Basic File Management Commands
    • Process Management Commands
    • System Information Commands
    • Searching Commands

    End of Module 1

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    Related Documents

    IT-Workshop Module 1 PDF

    Description

    Test your knowledge on various computer components and their functions with this quiz. Explore questions covering devices used for connectivity, storage, processing, and assembly of a computer system. Ideal for students in computer science or anyone looking to refresh their understanding of computer architecture.

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