Computer Hardware Basics Quiz
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Questions and Answers

What is the role of the CPU in a computer system?

  • To perform arithmetic, logical and control operations (correct)
  • To output data to external devices
  • To input data into the computer
  • To store data permanently

Which of the following best describes input devices?

  • Parts that allow data to be entered into the computer system (correct)
  • Devices that manage the computer's processing speed
  • Components that display output from the computer
  • Hardware used for storing data temporarily

How can computer hardware be categorized?

  • According to their functions such as input, processing, output, and storage (correct)
  • Based on their color and shape
  • By the size of the components
  • By their manufacturer

Which of the following is NOT considered a function of hardware components?

<p>Generating software programs (D)</p> Signup and view all the answers

What type of device would be considered a storage device?

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

What function does the control unit perform in a computer system?

<p>Monitors operation of the entire system (C)</p> Signup and view all the answers

Which device is primarily used for listening to sound from a computer?

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

Which one of the following is classified as a secondary storage device that uses optical technology?

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

The arithmetic logic unit (ALU) is responsible for which of the following tasks?

<p>Performing arithmetic operations (A)</p> Signup and view all the answers

Which type of storage is used to retain data permanently?

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

What is the primary purpose of a light pen?

<p>To draw pictures on the monitor (C)</p> Signup and view all the answers

Which component of the CPU is specifically used for temporary data storage?

<p>Registers (C)</p> Signup and view all the answers

Which of the following components allows the user to enter data into a computer?

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

What is the primary role of system software?

<p>To manage hardware components (B)</p> Signup and view all the answers

Which of the following is an example of application software?

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

How do hardware and software relate to each other?

<p>Hardware is dependent on software to perform tasks. (D)</p> Signup and view all the answers

Which of the following statements about system software is NOT true?

<p>It performs specific tasks for end-users. (A)</p> Signup and view all the answers

What categorizes application software?

<p>Programs for specific tasks (A)</p> Signup and view all the answers

Which of the following is NOT considered a type of system software?

<p>Document Editors (C)</p> Signup and view all the answers

What best describes the function of utility software as part of system software?

<p>To manage computer hardware and optimize functionality (A)</p> Signup and view all the answers

Which of the following is a characteristic of system software?

<p>It is necessary for other software to run. (B)</p> Signup and view all the answers

What is the name of the user account that allows everyone to use a computer without recognizing the user?

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

Which option is NOT a type of computer safety sign found around the computer laboratory?

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

Identify the complex password from the following options.

<p>1Abc@23 (C)</p> Signup and view all the answers

What is a characteristic of Random Access Memory (RAM)?

<p>Can be written to and read from (A)</p> Signup and view all the answers

What term is used for turning off a computer when you finish working on it?

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

Which of the following statements correctly describes Read Only Memory (ROM)?

<p>It retains data without power (B)</p> Signup and view all the answers

Which of the following best defines the role of symbols displayed to show danger areas in the computer laboratory?

<p>To alert students to hazards (B)</p> Signup and view all the answers

Which storage device is considered primary storage?

<p>Random Access Memory (RAM) (B)</p> Signup and view all the answers

Which command would be used in the LOGO environment to draw a square?

<p>REPEAT 4 [FORWARD 100 RIGHT 90] (D)</p> Signup and view all the answers

What is the main function of secondary storage devices?

<p>To store data and information permanently (A)</p> Signup and view all the answers

What acts as an insulator that can cause overheating of computer components?

<p>Dust buildup (D)</p> Signup and view all the answers

Which of the following is NOT a type of secondary storage?

<p>Random Access Memory (RAM) (D)</p> Signup and view all the answers

What is the primary function of LOGO as a programming language?

<p>To manipulate graphics commands (A)</p> Signup and view all the answers

What distinguishes optical disks from other storage devices?

<p>They use optical and laser technologies to read and write data (A)</p> Signup and view all the answers

Which statement about a Hard Disk is true?

<p>It usually has the highest storage capacity among storage devices (D)</p> Signup and view all the answers

Which of the following storage devices is best suited for data backup?

<p>Secure Digital (SD) card (B)</p> Signup and view all the answers

What should you check before starting your computer for the first time?

<p>The power cord is plugged in (A)</p> Signup and view all the answers

Which of the following is NOT a proper way to shut down a computer?

<p>Press and hold the power button until it turns off (D)</p> Signup and view all the answers

What occurs when the sleep mode is activated on a computer?

<p>The computer uses less power while keeping the current session active (C)</p> Signup and view all the answers

To sign out of a user account on a Windows 10 computer, what must you do?

<p>Click on the signed-in user name and select Sign Out (D)</p> Signup and view all the answers

Which actions are necessary for cleaning electronic equipment safely?

<p>Use dry cloth and electrostatic discharge tools (B)</p> Signup and view all the answers

What should you do if your monitor does not turn on when the system unit is powered up?

<p>Check if the monitor power button is activated (B)</p> Signup and view all the answers

What is the initial step to turn on a computer?

<p>Press the power button on the system unit (C)</p> Signup and view all the answers

What happens during the startup process after pressing the power button?

<p>The operating system loads automatically (A)</p> Signup and view all the answers

Flashcards

Computer hardware

The physical parts of a computer that you can see and touch, like the keyboard, monitor, and mouse.

Input devices

Devices that allow you to enter data into a computer, such as a keyboard, mouse, or scanner.

Central processing unit (CPU)

The brain of a computer, responsible for processing data and instructions.

Output devices

Devices that display or present processed data from a computer, such as a monitor, printer, or speakers.

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Storage devices

Devices used to store data in a computer system, such as hard drives, flash drives, or cloud storage.

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Primary storage

The computer's memory where programs and data used by the processor are stored.

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RAM (Random Access Memory)

The part of the computer's memory that holds instructions and information currently being used.

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ROM (Read Only Memory)

A type of memory that stores permanent data, even when the computer is off.

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Volatile memory

A type of memory that loses its data when the computer is turned off.

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Non-volatile memory

A type of memory that retains its data even when the power is off.

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Secondary storage

Storage devices that store data permanently, accessible for long-term use.

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Hard Disk

A device that stores data on magnetic platters, usually the largest storage in a computer.

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Optical Disk

Devices that store data using lasers to read and write information, like CDs and DVDs.

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USB flash drive

A small, portable device used for storing files, transferring data, and creating backups.

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Arithmetic Logic Unit (ALU)

A component of the computer's brain (CPU) that performs calculations and logic operations.

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Plotter

A specialized output device that produces high-quality graphical images on paper, often used for diagrams and blueprints.

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Optical storage

A specific type of secondary storage that uses lasers to read and write data on optical discs, like CDs and DVDs.

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What is the CPU?

The central processing unit (CPU) is the brain of the computer, responsible for executing instructions and processing data.

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Computer software

A set of instructions that tells a computer what to do.

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System software

Software that manages the computer's internal operations, such as running programs, controlling hardware, and providing a user interface.

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Application software

Software designed to perform specific tasks for users, such as word processing, browsing the internet, or playing games.

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Operating System

The program that controls the basic operations of a computer. It acts as an interface between the user and the hardware.

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Utility software

Software that helps manage and maintain the computer system, such as antivirus programs, disk cleanup tools, and file compression utilities.

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Language translator

Software that translates human-readable programming languages into machine-readable instructions.

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Programmability

The capability of a computer to perform tasks based on a sequence of instructions.

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What is computer Hardware?

The physical parts of a computer that you can see and touch, such as the keyboard, monitor, and mouse.

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What is Starting up a Computer?

The process of turning on a computer and preparing it for use.

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What is Shutting down a Computer?

The process of shutting down a computer in a safe and orderly manner.

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What is Sleep mode on a Computer?

A state where the computer appears to be off but is still powered on, allowing for faster startup.

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What is Sign Out on a Computer?

A function that allows you to log out of your user account and lets another person log in.

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IT Cleaning Kits

Used to clean electronic equipment, but water should never be used due to the risk of electrocution.

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Computer Password

A security feature that protects your computer from unauthorized access. It's a combination of characters that you need to enter to log in.

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Why is it dangerous to clean Electronics with water?

Water can conduct electricity, so using it to clean electronic devices carries a high risk of electric shock or death.

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LOGO

A type of programming language where you write instructions and the computer draws pictures on the screen.

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Administrator account

A user account that gives complete control over a computer system. It grants access to all features and settings.

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Standard account

A user account that provides limited access to a computer, restricting access to certain features and settings.

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Guest account

A type of user account designed for temporary access, offering minimal access to the computer system.

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Complex password

A strong password that uses a combination of uppercase and lowercase letters, numbers, and symbols.

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Electrical hazard sign

A safety sign used to warn about the presence of electrical hazards.

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Shutdown

The process of completely shutting down a computer, saving any unsaved work.

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Sleep mode

A mode that puts the computer in a low-power state, allowing for faster startup, while preserving the current state.

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Study Notes

Textbook Information

  • Authors: Birhanu Hailu (PhD), Belete Biazen (Associate Professor)
  • Language Editor: Lemma Kassaye (PhD)
  • Content Editor: Mamo Fideno (MSc)
  • Book Designer: Semeon Tiruneh (MSc)
  • Instructional Design: Mehadi Abdo (MSc)
  • Illustrator: Umer Nuri (MSc)
  • Evaluators: Fikru Bayisa (BED, BSc), Jeyilan Hussen, Miressa Kabeta (MSc), Tadesse Dinku (Graphics)
  • Grade Level: 7
  • Subject: Information Technology
  • Country: Federal Democratic Republic of Ethiopia (FDRE)

Table of Contents

  • Unit 1: Introduction to Information and Communication Technology (ICT)
    • Information and Communication Technology (ICT)
    • Basic Elements of ICT System (Data, Information, User, Communication, and Technology)
    • ICT in daily life
    • Computer definition and functions
  • Unit 2: Computer Hardware
    • Introduction to Computer Hardware
    • Input Devices (Keyboard, Mouse, Scanner, Touch Screen, Light Pen, Camera, Microphone, Barcode Reader)
    • Processing (Central Processing Unit or CPU; Arithmetic-Logic Unit (ALU), Control Unit, Registers)
    • Output Devices (Monitor, Printer, Plotter, Speaker)
    • Storage Devices (Primary Storage - RAM & ROM, Secondary Storage - Hard Disk, Optical Disk, USB Flash Disk, Secure Digital (SD) card)
  • Unit 3: Computer Software
    • Introduction to Computer Software (System Software, Application Software)
    • System Software (Operating Systems, Utility Programs, Language Translators)
    • Application Software (Word Processing, Spreadsheet, Database Management, Graphics Design, Presentation Software)
    • Overview of Word Processing
  • Unit 4: Internet
    • Definition of Internet (Network of Networks)
    • Basic Internet Terminologies (Web Browser, Website, Web Page)
    • Screen elements of Internet explorer
    • Structures of Web address (HTTP, WWW, Domain Name, Domain Extension)
    • Accessing a website
  • Unit 5: Security and Safety of Computer
    • Computer Security
    • User Accounts (Administrator, Standard, Guest)
    • Password creation
  • Unit 6: LOGO (Logic Oriented Graphics Oriented Programming)
    • Programming Language
    • LOGO Environment
    • Basic LOGO commands
    • Procedures

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Related Documents

Grade 7 Information Technology Textbook PDF

Description

Test your knowledge on the crucial components of computer hardware with this quiz. Explore topics such as the CPU, input devices, and the categorization of hardware. Determine your understanding of storage devices and hardware functions.

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