Computer Basics Flashcards

Flashcards for Computer Basics Review

Desktop PC

A type of computer used at desks; not portable but powerful for general use.

Laptop

A portable computer with a built-in battery, keyboard, and screen.

Tablet

A lightweight computer with a touchscreen, good for basic tasks.

Smartphone

A mobile device that combines phone and computing functions.

Mainframe

Large, powerful computer systems used by big organizations.

Supercomputer

Extremely fast computers used for simulations and weather forecasting.

Embedded Computer

Computers built into devices such as washing machines and microwaves.

Input Device

Hardware components such as keyboard, mouse, scanner, camera, and sensors.

Output Device

Hardware components such as monitor, printer, speakers, and actuators.

RAM

Random Access Memory; temporary and volatile primary storage.

ROM

Read Only Memory; permanent and non-volatile primary storage.

System Software

Software including operating systems, utility programs, and drivers.

Application Software

Software such as word processors, browsers, and spreadsheets.

Custom-made Software

Software designed for a specific user or task.

Off-the-shelf Software

Ready-made software for general use.

Eye Strain

Physical risk from staring at screens; prevent with breaks and screen filters.

Back Pain

Physical risk from poor posture; prevent with ergonomic chairs.

RSI

Repetitive Strain Injury; physical risk from typing; prevent with ergonomic keyboards.

Hacking

Unauthorized access to data; prevent with firewalls and strong passwords.

Phishing

Fake emails that trick users; prevent by being cautious and verifying emails.

Pharming

Redirects users to fake websites; prevent with anti-virus software and browser updates.

Malware

Includes viruses, worms, and Trojans; prevent by installing antivirus software.

Spyware/Keyloggers

Software that records keystrokes; prevent with anti-spyware tools.

Biometrics

Security method using fingerprint or face recognition.

Two-Factor Authentication (2FA)

An extra layer of security for login.

Encryption

Converts data into unreadable form without a key.

Firewall

Blocks unauthorized access to a network.

Audience

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