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61 Cards in this Set
- Front
- Back
also called a binary digit, represents data using technologies that can be set to one of two states with each state being assigned a 1 or 0
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Bit
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technologies and devices based on digits (numbers) that includes devices such as PCs, cell phones, digital cameras, and digital music players
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Digital
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a group of eight bits
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Byte
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Information as compared to data
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Data --> Processing --> Information
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telecommunications that connect two or more computers with the internet being the largest
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Networks
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large computers that power network systems and internet services that provides information to users and runs all day, everyday. Come in many sizes (midrange and mainframes)
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Servers
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the world's largest public computer network that contains a network of networks and provides a vast array of services
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Internet
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the internet service that provides convenient access to information through hyperlinks
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WWW
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an area of computer science that deals with simulating human thought and behavior in computers
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Artificial Intelligence
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empowers computers to control mechanical devices to perform tasks that require a high degree of precision or are tedious or hazardous
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Robotics Technology
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includes music, videos, graphic art, animation, and 3D graphics stored and processed in digital format
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Digital Media
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rules that allow two or more computers to communicate over a network and allows several services to use the network simultaneously without collision
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Network Protocol
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influence of networked economy on business
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(1) Leveled the playing field
(2) Reversing the way of communications (3) Speed made time scarce more than capital |
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computer system that makes use of hardware, software, databases, telecommunications, people and procedures to manage and distribute digital information
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Information System
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synchronizes all computer operations with each tick being a machine cycle and a faster clock speed means the CPU can execute more instructions each second
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System Clock
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one million ticks
one billion ticks |
MHz
GHz |
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number of bytes that a processor can handle simultaneously
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Word Size
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number of bits that a CPU can process at once
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Word Length
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when technology becomes an integral part of our living so people don't notice it
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Ubiquitous Computing
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compared to the human nervous system
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Operating System
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designed to meet the need
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Hardware
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protection from hackers and intruders; competes with USB as a standard for connecting devices to PCs
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Firewall
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what we do to video, audio, pictures, etc to be able to store them in digital files and process them
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Digitize Media
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have embedded computers that allow business people to read and send email and link to their computers and computer systems
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Smart Phones
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used to accommodate a smart phone and synchronizes to the computer in order to update the business files
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Docking Station
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the code representing keyboard text characters
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American Standard Code for Information Interchange (ASCII)
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sufficient data representation for English and Western European languages
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Extended Binary Coded Decimal Interchange System (EBCDIC)
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used for other languages using 2 bytes (65,000 codes)
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Unicode
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when several technologies are available in one single machine
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Convergence
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an area of the computer that temporarily holds data before and after it is processed (as you type characters)
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RAM (random access memory)
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semi-permanent storage for information that may change; runs on battery power and is able to keep the time and date
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CMOS (Complementary Metal-Oxide Semiconductor)
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permanent storage for data and instructions
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ROM (read only memory)
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execution of instruction that involves two phases:
(1) instruction phase (fetch and decode) (2) execution phase (execute and store) |
Machine Cycle
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allows all computers of a company to team up in processing the same application
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Grid Computing
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most popular format for writable CDs
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CD-RW
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able to read smaller pits which allows for greater capacity and uses magnetic storage
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HD DVD and Blue-Ray
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stores up to 700MB of data as optical media
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CD-ROM (compact disk read only memory)
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stores bits and bytes more permanently that RAM using magnetic tape (i.e. credit card)
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Magnetic Media
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links together many storage devices over a network and treats them as one large disk
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SAN (Storage Area Network)
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a second system of disks to maintain a backup copy of the data stored on the primary disks
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RAID (redundant array of independent disks)
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uses optical lasers to burn pits into the surface of a highly reflective disk
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Optical Technology
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stores data using transistors without the need for electricity (i.e. flash drives)
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Solid State Technology
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assists in capturing and entering raw data
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Input Devices
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used to observe results of computer processing
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Output Devices
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where CPU begins executing a new instruction before completing the first one resulting in faster processing
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Pipelineing
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uses multiple processors simultaneously to execute a program causing a speed in processing time
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Parallel Processing
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uses hundreds of thousands of processors operating together
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Massive Parallel Processing (MPP)
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consists of adding specialized processors to help the main processor in handling specific tasks and enhances processing speed considerably
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Co-processing
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part of a multicore design that houses more than one CPU on a chip
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Dual Core Processor
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provides power lines and a connection to computers for data transfer
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USB
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usually starts with determining the needs of a workstation
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New Information System Design
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a popular technology that allows phone conversations to travel over the internet and other data networks
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VoIP
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the set of programs that coordinate the activities of the hardware
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System Software
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consists of programs written to perform tasks or solve problems
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Application Software
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can store permanently over 4GB vs. 0.7GB
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DVD vs. CD
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the types of computer that control automatic doors, washing machines, elevators, and automobile systems
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Embedded Computers
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enabled computers to perform highly sophisticated tasks such as speech recognition
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Faster Processors
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uses registers to perform calculations and control unit supervises all the processor work
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ALU
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portion of memory used by processor to store frequently accessed items; access more quickly that RAM
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Cache
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makes it possible for computers to manipulate simple "on/off" signals to perform complex tasks
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Digital Electronics
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uses transistors to store data without any need for moving part
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Flash Memory
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