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INTRODUCTION TO COMPUTERS STUDY GUIDE
FOUR FUNCTIONS OF A COMPUTER
ANSWER IS - Input, Output, Processing, Storage
INPUT
ANSWER IS - Data that is entered into the computer system via an input or storage device.
Examples: Typing on a computer keyboard or smartphone app keys
PROCESSING
ANSWER IS - Manipulating or organizing data into information.
Examples: Every computer including smartphones has a processor that takes inputted information. The processor manipulates that information to make new information. The human brain is a processor.
OUTPUT
ANSWER IS - The data produced by a computer after processing; also, the action of producing data.
Examples: Information found in spreadsheet, the sheet printed from a computer printer, the music that emanates from the bluetooth speaker connected to a smartphone.
STORAGE
ANSWER IS - The media and devices used to record and hold data and programs permanently.
Examples: RAM, ROM, hard drives, CD-ROMS, DVDs, USB Drives. They all hold information that was processed.
INTERNET
ANSWER IS - A global communication network that allows most computers to exchange information.
A group of computers and servers that are connected to each other.
WWW
ANSWER IS - World Wide Web.
A system of interlinked hypertext and multimedia documents contained on the Internet.
URL
ANSWER IS - Uniform Resource Locator
The address of a document or other file accessible to the Internet.
COMPUTER NETWORK
ANSWER IS - Is a group of computers linked together to share data and resources.
It is the link between two or more computers connected with wires or wireless.
SERVER
ANSWER IS - A computer dedicated to providing information in response to requests.
WORKSTATION
ANSWER IS - A computer that runs a desktop operating system and connects to a network.
TERMINAL
ANSWER IS -
CLIENT
ANSWER IS -
IP ADDRESS
ANSWER IS - Internet Protocol Address.
A number that uniquely identifies each computer or device connected to the Internet.
DOMAIN NAME
ANSWER IS - A set of electronic instructions, also called programs, that tells a computer what to do. A program or instructions that give directions to the computer.
PC SYSTEM COMPONENTS - Hardware
ANSWER IS - Computer parts that you can see and touch. The physical components, or parts, of the computer such as the processor, memory, cooling fans, motherboard, etc.
PC SYSTEM COMPONENTS - Peripheral Devices
ANSWER IS - All other external, physical components of the computer such as input & output devices. Components (keyboards, speakers, cameras, screens, etc), that connect to the computer
DATA STORAGE
ANSWER IS - Devices designed for storing data.
DATA STORAGE - HDD
ANSWER IS - Hard Drive Disk. A secondary storage device made up of metallic disks that stores data magnetically. Data stored is permanent.
DATA STORAGE - RAM
ANSWER IS - Random Access Memory. This is the most common type of memory read/write memory. Data is stored temporary.
DATA STORAGE - Cloud Computing
ANSWER IS - System whereby application software and data are stored on a remote Internet server. The ability to store your files and use various applications in an online account.
CONVERGENCE
ANSWER IS - The occurrence of two or more things coming together. The fusion of computing, broadcasting, audio, printing, and telecommunications into one system.
COMPUTER FILE
ANSWER IS - A file is an object on a computer that stores data, information, settings, or commands used with a computer program. In a graphical user interface (GUI) such as Microsoft Windows, files display as icons that relate to the program that opens the file.
COMPUTER FILE - Executable
ANSWER IS - An executable is a file that contains a program - that is, a particular kind of file that is capable of being executed or run as a program in the computer.
COMPUTER FILE - Data
ANSWER IS - The term may refer to a computer file that contains any type of data, including a word processing document or spreadsheet. It may also refer to a database file that contains records, such as orders and customers.
INTELLECTUAL PROPERTY
ANSWER IS - Any product of human intellect that is intangible but has value in the marketplace. Property that results from the intellectual and creative process.
KILO
ANSWER IS - one thousand
MEGA
ANSWER IS - a million
GIGA
ANSWER IS - a billion
INTEGRATED CIRCUIT
ANSWER IS - An integrated circuit (IC), sometimes called a chip or microchip, is a semiconductor wafer on which thousands or millions of tiny resistors, capacitors, and transistors are fabricated. An IC can function as an amplifier, oscillator, timer, counter, computer memory, or microprocessor.
MOTHERBOARD
