Computer Basics
What is a computer
A computer is an electronic device that processes data and performs tasks according to instructions.
What is hardware
Hardware refers to the physical components of a computer, like the CPU, memory, and input/output devices.
Give one example of an input device
Keyboard
What is RAM?
RAM, or Random Access Memory, is the computer’s main memory, used to store data temporarily while the computer is on.
Give one advantage of using computers
Increased efficiency in completing tasks.
Name two characteristics of a computer.
Speed and accuracy.
Give an example of software.
Word processors, like Microsoft Word.
Name one output device.
Printer.
Give an example of secondary storage.
Hard drive or solid-state drive
Name one disadvantage of using computers.
Risk of data breaches.
Describe the term “microcomputer
A microcomputer is a smaller, personal computer like a desktop or laptop used in homes and offices.
List two types of software.
System software and application software.
Describe a dual-purpose device.
A touchscreen can function as both an input and output device.
Give an example of secondary storage.
Cloud storage allows users to save data online, accessible from anywhere with an internet connection
How can you care for computer peripherals?
Regularly clean devices and use protective covers.
Name one use for a mainframe computer
Processing large amounts of data in institutions like banks and government offices.
What are two differences between hardware and software?
Hardware is the physical equipment, while software consists of programs and instructions. Hardware can be touched; software cannot.
What is the function of an input device?
To send data and instructions to a computer for processing.
Name one advantage of secondary storage.
It can permanently store data for future use, even when the computer is off.
What is one factor associated with computer use?
Ergonomics to reduce health risks like eye strain and repetitive strain injuries.
Describe the purpose of a minicomputer
Minicomputers are suited for mid-sized businesses to handle tasks that are too complex for personal computers but not large enough for mainframes.
Define analog and digital media.
Analog media is a continuous signal that varies over time, while digital media uses binary code to represent information.
Explain how modern input devices differ from traditional ones.
Modern devices like touchscreens and voice recognition systems provide more intuitive and hands-free ways of interacting with computers.
Describe one way flash storage is used today.
Flash storage, like USB drives, is used for portable data storage and file transfer between computers.
Explain why data protection is important.
Data protection ensures privacy, security, and prevents unauthorized access to sensitive information.