Study

CAT

  •   0%
  •  0     0     0

  • What is the function of an input device?
    It sends data to the computer (e.g. keyboard, mouse).
  • Why might a program not run properly on a computer?
    The computer doesn’t meet the hardware or software requirements.
  • Name two ways to protect your computer from malware.
    Use antivirus software and avoid suspicious links.
  • What is an update in software?
    A newer version that fixes bugs or adds features.
  • What is the difference between system software and application software?
    System software runs the computer; application software helps users do tasks.
  • Virtual memory
    When part of the hard drive is used as extra RAM.
  • What does a file server do?
    Stores files so users on a network can share them.
  • Why is it important to organize files in folders?
    To find them easily and keep the computer tidy.
  • Give Two reasons why CDs and DVDs are used less these days.
    -Limited storage space compared to USBs or external drives -Slower read/write speeds -Easily scratched or damaged
  • Give one positive and one negative effect of ICT on communication.
    Positive: Faster messaging | Negative: Less face-to-face talk
  • Briefly Describe the main Function of a Proxy Server.
    To act as a middleman between a user and the internet, helping with security, privacy, and faster access to websites.
  • BIOS/UEFI
    basic software that starts up the computer before the OS loads.
  • What device connects a LAN to the internet?
    A router.
  • What is the function of a graphics card?
    It handles images and video display on the screen.
  • What is the purpose of utility software?
    To help maintain or protect the computer (e.g. antivirus, disk cleaner).
  • Why do you need to know what software you are planning to use when buying a new computer?
    To make sure the new computer has the right hardware, operating system, and performance to run the software properly.
  • What does Plug and Play mean?
    You can use a device right after connecting it, no extra setup.
  • What is e-waste?
    Old or broken electronic devices that are thrown away.
  • What is digital divide?
    The gap between people who have access to technology and those who don’t.
  • What is the purpose of a proxy server?
    It improves security and speeds up internet access.
  • What is open-source software?
    Software that is free to use and can be edited by anyone.
  • One advantage and one disadvantage of cloud storage?
    Advantage: Access files anywhere | Disadvantage: Needs internet.
  • Name two advantages of using an SSD over an HDD.
    SSD is faster and has no moving parts.
  • What is the purpose of a modem?
    To connect a computer to the internet.
  • Name three types of servers.
    Web server, Mail server, File server.
  • What is phishing?
    A scam where fake emails try to steal your personal information.
  • What is the difference between copying and moving a file?
    Copying makes a duplicate; moving takes the file from one place to another.
  • What is computer ethics?
    Rules about how computers should be used fairly and responsibly.
  • What is ergonomics?
    Designing workspaces to be safe and comfortable for users.
  • Give two examples of output devices.
    Monitor and printer.
  • The unit in which the resolution of a scanner is measured.
    DPI (Dots Per Inch)
  • What is a backup?
    A copy of data saved somewhere else in case the original is lost.
  • What does Wi-Fi stand for?
    Wireless Fidelity – it allows devices to connect to a network without cables.
  • Give an example of an application program and a utility program.
    Application: MS Word | Utility: Disk Cleaner
  • What is a firewall?
    Software or hardware that protects a computer from online threats.
  • How can it affect the running program if a computer doesn't meet requirements. List Three
    -Run slowly -Crash or freeze -Not open at all -Display errors -Have poor graphics or performance -Lag or delay when using features
  • What is the purpose of a task manager?
    To view and manage running programs and computer performance.
  • What does HTTP stand for?
    HyperText Transfer Protocol.
  • Give Two other Examples for a Server.
    -Web Server -Mail Server -Database Server -Print Server -Application Server -Game Server -DNS Server -Media Server
  • Give Three Examples of Hardware Requirements that a Computer needs to meet to run a particular Program.
    -Processor (CPU) speed -RAM size -Storage space -Graphics card -Screen resolution -Input devices -Operating system compatibility
  • What is a file extension?
    The last part of a filename (e.g. .docx, .jpg) that shows the file type.
  • What is the role of the operating system?
    It controls the hardware and allows software to run.
  • What is the main difference between RAM and storage?
    RAM is temporary memory used while the computer is on; storage is for saving data long-term.
  • What is the difference between a LAN and a PAN?
    LAN connects devices in one area like a school; PAN connects devices close to one person.
  • File Compression
    Reduces file size to save space or for easier sharing.
  • File format
    Type of file, indicated by the extension (e.g. .pdf, .png).
  • What is a strong password?
    A password that is long, complex, and hard to guess.
  • What is bandwidth?
    The amount of data that can be sent over a network in a certain time.
  • What type of device is a touchscreen?
    Both input and output device.
  • What is meant by software piracy?
    Copying or using software illegally without a license.