Computers in Our Daily Life — Quiz Reviewer

This set of vocabulary flashcards covers fundamental computer concepts including number systems, data transmission, networking types, communication methods, software categories, printer technologies, and software licensing.

Machine language

The language computers understand, consisting of $0$ and $1$, also known as binary language.

Decimal

A number system with base $10$ that uses digits $0$–$9$.

Binary

A number system with base $2$ that uses $0$ and $1$.

Octal

A number system with base $8$ that uses digits $0$–$7$.

Hexadecimal

A number system with base $16$ that uses digits $0$–$9$ and letters $A$–$F$.

ASCII

Standing for American Standard Code for Information Interchange, it is a $7$-bit code representing letters, numbers, and basic special characters.

ASCII Representation of 'A'

The character 'A' is represented as decimal $65$, hexadecimal $41$, and octal $101$.

System Bus

A pathway of cables and connectors carrying data from peripheral devices to the CPU and main memory.

Data Bus

A type of bus that transfers data to and from memory and into or out of the CPU.

Address Bus

Used by the CPU to specify a physical address for instructions, files, and other devices.

Control Bus

Used by the CPU to communicate with other devices.

PAN (Personal Area Network)

A network limited to an individual person and their personal devices.

LAN (Local Area Network)

A group of computers or devices sharing a common communication line.

WAN (Wide Area Network)

A network that connects more than one LAN and is used for larger geographical areas.

Wired Communication

A method of connecting devices to a network using physical cables such as USB, FireWire, Ethernet, HDMI, or VGA.

Wireless Communication

Communication via microwave, satellite, cellular, or radio transmissions, such as Wi-Fi and Bluetooth.

Computer Software

A combination of instructions, data, and programs that allows a computer to perform specific tasks.

System Software

Also known as the Operating System (OS), it manages memory, instructions, hardware, and applications.

Application Software

Programs designed to perform specific tasks for users.

Online Productivity Tools

Online applications used by organizations for tasks such as data collection and analysis.

Content Management System

Online tools used specifically for blogging and managing websites.

Printer

Equipment used to produce hard copies of documents stored on computers.

Impact Printer

A printer that works through direct contact of an ink ribbon with paper.

Non-Impact Printer

A printer that does not hit a ribbon, using technologies like laser, xerographic, electrostatic, chemical, or inkjet.

Software License

A legally binding document providing guidelines for the use and distribution of software.

Public Domain

Software that is free to use, modify, and distribute without any restrictions.

Commercial Software

Software sold for profit, usually accompanied by licensing restrictions.

Shareware

Software that is free initially but requires payment for full features or continued usage.

Open Source

Software where the source code is available for anyone to view, modify, and distribute.

Freeware

Software available for free that does not allow modifications or redistribution.

Copyright

Legal protection giving creators exclusive rights to use, modify, and distribute their work while preventing unauthorized use.

Copyleft

A licensing practice that allows creators to share work freely, provided that derivative works are shared under the same open terms.