ICT System Types and Software Overview
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ICT System Types and Software Overview

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Questions and Answers

What is a handheld computer primarily used for?

  • General work tasks
  • Large-scale data processing
  • Personal record-keeping (correct)
  • Playing high-end games

    • Supercomputers are typically used for general office productivity tasks.

    False

    What is one primary use of a mainframe computer?

    Supporting hundreds or thousands of users simultaneously

    A games console is primarily designed for __________.

    <p>playing games</p> Signup and view all the answers

    Which of the following is NOT a function of the Operating System?

    <p>Editing text documents</p> Signup and view all the answers

    Match the following types of software with their descriptions:

    <p>Word Processing = Editing and creating text documents Spreadsheet = Manipulating data and calculations Desktop Publishing = Creating professional-looking documents Database = Storing and retrieving data quickly and efficiently</p> Signup and view all the answers

    Embedded computers are designed for a wide range of applications.

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

    Name one application of supercomputers.

    <p>Weather forecasting</p> Signup and view all the answers

    What is the main function of a CPU?

    <p>To process instructions and manage tasks of the computer.</p> Signup and view all the answers

    Which device is used primarily for inputting images into a computer?

    <p>Graphics Tablet</p> Signup and view all the answers

    A netbook is larger and heavier than a laptop.

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

    The ______ is an output device that produces hard copies of documents.

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

    Which type of memory is non-volatile and stores firmware?

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

    Match the following types of storage devices with their characteristics:

    <p>HDD = Magnetic storage that offers large capacity and is used for main storage Flash memory = Solid-state storage with no moving parts, often used in USB drives Optical Disks = Storage medium read by lasers, such as CDs and DVDs Magnetic tape = Sequential access storage, used for backups and archiving</p> Signup and view all the answers

    A digital camera is considered an input device.

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

    Name one benefit of establishing a network.

    <p>Resource sharing.</p> Signup and view all the answers

    Which of the following is true about RAM?

    <p>Data can be accessed in any order.</p> Signup and view all the answers

    ROM can be written to and read from.

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

    What is the main function of presentation software?

    <p>To prepare and deliver presentations, including the creation of slides.</p> Signup and view all the answers

    1 Terabyte or 1 TB is equal to __________ Gigabytes.

    <p>1024</p> Signup and view all the answers

    Match the type of memory with its description:

    <p>RAM = Volatile memory used for temporary storage ROM = Non-volatile memory for permanent instructions PROM = Programmable Read Only Module EPROM = Erasable Programmable Read Only Module</p> Signup and view all the answers

    Which statement is accurate about a Hard Disk Drive (HDD)?

    <p>Data is stored on rotating magnetic disks.</p> Signup and view all the answers

    Data stored in RAM is cleared when the computer is switched off.

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

    What is the primary purpose of project management software?

    <p>To track and chart timelines for tasks and events needed to complete a project.</p> Signup and view all the answers

    What is the main advantage of using RAID?

    <p>Data redundancy and recovery</p> Signup and view all the answers

    Optical disks such as CDs and DVDs are primarily made from metal.

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

    What is the typical storage capacity of a standard CD?

    <p>700 MB</p> Signup and view all the answers

    A single-sided, single-layer DVD can typically store up to __________.

    <p>4.7 GB</p> Signup and view all the answers

    Match the following types of optical disks with their descriptions:

    <p>CD-R = Readable after one-time write CD-RW = Rewritable multiple times DVD-RAM = Rewritable with high endurance Blu-ray = Higher storage than DVDs</p> Signup and view all the answers

    Which of the following items is considered a type of flash memory?

    <p>Compact Flash</p> Signup and view all the answers

    Magnetic tape allows for random access of data.

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

    What is the primary use of external hard disks?

    <p>Data storage and transfer</p> Signup and view all the answers

    Which of the following is NOT a type of computer crime?

    <p>Database Management</p> Signup and view all the answers

    Downloading music without the correct license is considered copyright violation.

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

    What should be ensured to reduce the risk of Repetitive Strain Injury (RSI)?

    <p>Ergonomics in the workspace</p> Signup and view all the answers

    Using emails to deceive individuals into providing personal information is known as __________.

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

    Match the following items with their corresponding risks or effects:

    <p>Eye Strain = Constant use of the monitor Backache = Sitting incorrectly Trip Hazards = Untidy cables Electric Shock = Use of electrical devices</p> Signup and view all the answers

    When transferring data to another country, it is important to ensure that:

    <p>The country has stronger data protection laws.</p> Signup and view all the answers

    A computer program can only be protected by copyright law.

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

    What is one physical safeguard to protect data?

    <p>Access controls, locks, or biometric recognition</p> Signup and view all the answers

    Study Notes

    ICT System Types

    • PCs: Desktop computers with monitor, keyboard, system unit, and mouse.
    • Laptops: Larger and heavier than A4 file.
    • Notebooks: Small laptop, about the size of an oversized book.
    • Netbooks: Very small laptop, optimized for internet and email.
    • Handheld: Pocket-sized devices like PDAs or smartphones, with touch screen.
    • Mainframe: Large, expensive computer supporting hundreds to thousands of users simultaneously.
    • Supercomputers: Fastest computers, used for high-performance tasks like weather forecasting.
    • Embedded Computers: Specialized devices built into specific applications, like appliances or vehicles.
    • Games Consoles: PCs designed for video gaming.

    System Software

    • Operating System (OS): Controls computer's hardware and interacts with application software.
      • Performs functions like input/output control, error handling, resource allocation, user interface, and file handling.

    Application Software

    • Office Productivity Tools:
      • Word Processing: Creating and editing text documents.
      • Desktop Publishing: Creating professional-looking documents.
      • Spreadsheet: Manipulating data and calculations.
      • Database: Storing and retrieving data efficiently.
    • Web Authoring: Creating websites using HTML to combine text and graphics.
    • Image and Sound Editing: Editing pictures, videos, and music.
    • Presentation Software: Creating and delivering presentations with text and graphics.
    • Project Management Software: Tracking and charting tasks and deadlines for projects.

    Data Storage Capacity

    • 1 Kilobyte (KB): 1024 bytes
    • 1 Megabyte (MB): 1024 KB (1,048,576 bytes)
    • 1 Gigabyte (GB): 1024 MB
    • 1 Terabyte (TB): 1024 GB

    Main Memory

    • RAM (Random Access Memory): Volatile memory, can be written to, read from, and edited. Used for active program and data.
    • ROM (Read Only Memory): Non-volatile memory, data cannot be changed. Contains essential system instructions for the computer.
      • PROM (Programmable Read Only Module): Can be programmed once by a company.
      • EPROM (Erasable Programmable Read Only Module): Data can be erased using a special light.

    Comparing RAM and ROM

    Feature RAM ROM
    Data Access Read and write Read-only
    Data Storage Active programs and data System instructions
    Volatility Data lost when power off Data retained when power off
    Location Module plugged into motherboard Installed on motherboard

    Storage Devices

    • Hard Disk Drive (HDD): Magnetic disks that store information in concentric tracks. Used for long-term storage.
    • RAID (Redundant Array of Inexpensive Drives): Stores copies of data on multiple hard drives for redundancy and data protection.
    • External Hard Disks: Portable hard drives connected via USB.
    • Optical Disks: Plastic disks with etched data tracks. Read by lasers.
      • CDs (Compact Discs): Store 700MB per side.
      • DVDs (Digital Versatile Discs): Store 4.7GB (single-sided, single layer). Various types like DVD-R, DVD-RW, DVD-RAM, HD DVD, and Blu-ray.
    • Flash Memory: EPROM with fast write/erase capabilities. Used in BIOS, memory cards (SD, Compact Flash), and flash drives.
    • Magnetic Tape: Large storage capacity, but sequential access. Used for data backups.

    Internet Connection

    • Network Types: LAN (Local Area Network), WAN (Wide Area Network), MAN (Metropolitan Area Network), and WLAN (Wireless Local Area Network).
    • Benefits of Networks: Sharing resources, collaboration, communication, cost reduction.
    • Network Security: Protecting against unauthorized access, viruses, and data breaches.
    • Internet Requirements: PC, Internet service provider, modem or router, network cabling, and web browser.

    Impact of ICT

    • Impact on Individuals: Provides access to information, communication, entertainment, and educational opportunities.
    • Impact on Organizations: Improves efficiency, communication, and decision-making processes.
    • Impact on Society: Global communication, e-commerce, digital literacy.
    • Copyright Violation: Illegal copying, distribution, or use of copyrighted material.
    • Software Piracy: Unlicensed use or distribution of software.
    • Hacking: Unauthorized access to computer systems.
    • Identity Theft: Stealing personal information.
    • Phishing: Deceptive emails or websites to obtain personal information.

    Safety

    • Ergonomics: Creating a safe and comfortable working environment for users.
    • Repetitive Strain Injury (RSI): Injuries to tendons, muscles, and soft tissues caused by repetitive use of keyboard or mouse.
    • Eye Problems: Eye strain from prolonged monitor use.
    • Backache: Improper posture while sitting at computer.
    • Fatigue and Headaches: Related to prolonged computer use.
    • Trip Hazards: Untidy cables.
    • Electric Shock: Risk associated with electrical devices.
    • Data Protection: Legal and ethical guidelines for storing and using personal data.
      • Information Commissioner's Office (ICO) rules, data privacy laws (GDPR), and ethical guidelines for data use.
    • Downloading Content: Legal and ethical considerations for downloading content from the internet, copyright laws, licenses, and permissions for specific types of downloads.

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    Related Documents

    ICT Notes by Shawon.docx

    Description

    This quiz covers various types of ICT systems including PCs, laptops, notebooks, and more. Additionally, it explores the role of system software like operating systems and their functions. Test your knowledge on the characteristics and applications of these technologies.

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