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The unit in which the resolution of a scanner is measured.
DPI (Dots Per Inch)
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.
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.
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
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
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
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.
Name two advantages of using an SSD over an HDD.
SSD is faster and has no moving parts.
What is the function of an input device?
It sends data to the computer (e.g. keyboard, mouse).
Give two examples of output devices.
Monitor and printer.
What type of device is a touchscreen?
Both input and output device.
What is a strong password?
A password that is long, complex, and hard to guess.
What is phishing?
A scam where fake emails try to steal your personal information.
Name two ways to protect your computer from malware.
Use antivirus software and avoid suspicious links.
What is computer ethics?
Rules about how computers should be used fairly and responsibly.
