| A | B |
| Supercomputer | It is considered fastest type of computer |
| Supercomputer | Very expensive due to amount of information processed |
| Supercomputer | Generally specialized software programsinstalled |
| Supercomputer | Used for scientific and engineering |
| Supercomputer | Power used to run and perform calculations |
| Mainframe | Computers fill an entire room |
| Mainframe | Can simultaneously handle hundreds of programs and users without sacrificing performance |
| Mainframe | Processes large volumes of data at incredible speeds |
| Mainframe | Commonly found in government agencies or large organizations |
| Mainframe | Sometimes called centralized systems |
| Minicomputers | They fill part of a room. |
| Minicomputers | Process data at slower rate and smaller volumes |
| Minicomputers | Noticeable reduction in speed with more users |
| Minicomputers | Commonly found in medium-sized manufacturing companies and legal or accounting firms |
| Microcomputers | They process data quickly, and designed for one user |
| Microcomputers | There are two main types: PC or Apple (Mac) |
| Microcomputers | Most companies use PCs for variety of software programs |
| Microcomputers | Apples traditionally used in specialized industries, e.g., graphics design |
| Microcomputers | New software have few differences between computers |
| Laptop Computers | Portable microcomputers similar to desktop models in speed, performance and usage |
| Laptop Computers | Not always popular due to weight and design elements |
| Laptop Computers | Newer models smaller and lighter and the size of paper notebook |
| Laptop Computers | Accessories can enhance enjoyment and experience |
| Laptop Computers | Cost now relatively low compared to when first introduced |
| Laptop Computers | Notebooks |
| Tablets | Similar to notebook but screen can swivel or fold over |
| Tablets | Can write or select items using special pen for tablet |
| Tablets | Touch screen capability allows data entry using finger, pen or stylo device, or built-in keyboard |
| Tablets | Used in hospitals, home inspectors, engineers or sales people |
| Tablets | Can also be used for electronic/interactive books |
| Personal Digital Assistants | Small palm-sized computers |
| Personal Digital Assistants | Software installed with features for organizing information |
| Personal Digital Assistants | Pocket PC has microprocessor chip and software to create documents as well as organizer program for PDAs |
| Personal Digital Assistants | Can include digital camera, video/audio, or Internet |
| Personal Digital Assistants | access to Internet |
| Personal Digital Assistants | software to create documents |
| Personal Digital Assistants | listen to music |
| Personal Digital Assistants | Take pictures or video |
| Personal Digital Assistants | send text messages or e-mail |
| Storage system is generally quite large, designed to store software programs and data files | Network |
| Can be a combination of PCs, Apple machines, dumb or smart terminals, Unix, or Linux systems | Network |
| Connected via cables or wireless connection type | Network |
| Computers connected in confined area | LAN |
| Computers connected in metropolitan area | MAN |
| Computers connected over long distances | WAN |
| Computers connected in limited area | CAN |
| Computers connected in a home environment | HAN |
| Local Area Network | LAN |
| Metropolitan Area Network | MAN |
| Wide Area Network | WAN |
| Campus Area Network | CAN |
| Home Area Network | HAN |
| Network interface card (NIC) | Each computer in network requires |
| Appropriate cables to connect to network server | Each computer in network requires |
| It is dedicated to handle requests for information | Server |
| Information stored on mainframe and nothing at user’s location | Benefit of network |
| They have PCs that function on own and connect to network for information | Client/Server networks |
| Larger storage capacity for company data | Benefit of network |
| Organize data more effective for access by all users | Benefit of network |
| Shared resources | Benefit of network |
| Administer and manage secure access using network software | Benefit of network |
| Maintain updates on programs from one location | Benefit of network |
| Consistent configurations for new users | Benefit of network |
| Back up (or restore) company data | Benefit of network |
| Different profiles for users sharing workstations | Benefit of network |
| Secure remote access by users away from office | Benefit of network |
| It needs router | Wireless connection |
| Must be installed | Network interface card (NIC): |
| Must be set up correctly | Network interface card (NIC): |
| Network interface card | NIC |
| It requires valid user id and password | Logging into network |
| Computer might run script to tell network | What access rights you have |
| Speed to access items depends on: | Network connection speed |
| Speed to access items depends on: | Server microprocessor speed |
| Speed to access items depends on: | Microprocessor speed on your system |
| Speed to access items depends on: | Number of other requests being made on network |
| User, software, hardware and electricity | Four elements make up personal computer system |
| Central element is _____? ____ who needs to perform task | user |
| It requires certain hardware components | Software |
| Equipment called ____? ____ as can physically touch components | Hardware |
| Programs called ___? ___ as only they function while computer on | Software |
| Coded set of instructions computer uses through series of on/off signals to perform task | Software |
| Central Processing Unit | CPU |
| Random Access Memory | RAM |
| Input/Output Devices | I/O Devices |
| It is installed inside system unit | Internal device |
| It is plugged into connection outside computer | External device |
| Largest electronic circuit board in computer | Motherboard |
| Foundation of computer | Motherboard |
| Consists of CPU, RAM, and ROM BIOS | Motherboard |
| Lies on bottom of box or side of tower | Motherboard |
| Contains number of items to make computer work or to expand capability | Motherboard |
| Expands computer by adding items such as graphics card, etc. | Expansion |
| Peripheral Component Interconnect; add new components or cards such as modem or sound card. | PCI |
| Accelerated Graphics Port; handles 3-D graphics. | AGP |
| Central Processing Unit; contains microprocessor chip. | CPU |
| Random Access Memory; designed for these memory chips. | RAM |
| Determines time and date as set in BIOS; runs on battery. | System Clock |
| Connects various input/output devices such as mouse or keyboard. | Input/Output |
| Often called brain of computer | The Microprocessor Chip |
| Located on motherboard | The Microprocessor Chip |
| Receives and executes instructions from software programs activated by user | The Microprocessor Chip |
| Processes information and instructions at speeds | The Microprocessor Chip |
| Megahertz (MHz) | Speed of The Microprocessor Chip |
| Gigahertz (GHz) | Speed of The Microprocessor Chip |
| 8088 (XT) | 4 to 10 MHz |
| 80286 (286 or AT) | 8 to 16 MHz |
| 80386SX/DX (386SX/DX) | 16 to 33 MHz |
| 80486 (486) | 25 to 100 MHz |
| Pentium | 60 to 200 MHz |
| 6x86 | 120 to 166 MHz |
| Pentium (MMX) | 166 to 200 MHz |
| Pentium PRO | 150 to 200 MHz |
| Pentium II | 200 to 400 MHz |
| Pentium III | 500 MHz to 1.2 GHz |
| Pentium 4 or Pentium M | 1.4 to 3.2+ GHz |
| Pentium 5 | 5 GHz to 7 GHz |
| Circuit boards | The Power Supply - 5v |
| Hard drives and CD-ROMs | The Power Supply - 12v |
| Newer computer systems | Generally use lower voltages |
| Openings at back or front of system unit, or sides of notebook | Expansion Slots |
| Ergonomics | Itis the study of the relationship between humans and the objects that we use. |
| Ergonomists | They are people who study human anatomy in order to determine how the objects that we use can be made safer, more comfortable, and more efficient. |
| Mainframe | It is large enough to fill several rooms. These computers are used by thousands of people at the same time in organizations such as government agencies. |
| Minicomputer | It can be used by several people, even up to hundreds of people at once. |
| Laptop | This computer is designed to be carried from place to place. |
| PDA | It is a computer that is small enough to hold in ones hand. |
| PDAs | With ____________, people can track appointments, store addresses, and keep notes. |
| Peripheral | Anything connected to your computer is considered a_____________. |
| PC | Computer is used by one person at a time. |
| Input devices | Used to put information into a computer. |
| Keyboard | It is used to enter information in the form of words, numbers, and punctuation. |
| Mouse | You use it to control objects you see on a computer screen. |
| Mouse | By using it you can point to objects, select objects, and move objects. |
| Mouse | It allows you to open programs, delete files, and create new folders. |
| A scanner | It collects information in the form of pictures. |
| A joystick | It is an input device that usually has buttons that can be pressed to send instructions to the computer. |
| A microphone | It can be used to input audio such as music into a computer. |
| A digital camera | It captures photographs as digital files that can be uploaded directly to a computer. |
| A port | It allows users to connect external input devices to the computer system. |
| An output | This device carries information out of a computer. |
| Monitor | It is also called a computer screen. |
| Monitor | It displays information visually, just like a television set. |
| Printer | You can use it to transfer images from a monitor to paper. |
| A speaker | It carries information in the form of sound. |
| Speakers | They can output music, speech, and noises. |
| The microprocessor | It is the brain of a computer. |
| A processors clock speed | It is the number of calculations the processor can do each second. |
| CPU | Central Processing Unit |
| Memory | It is where computers keep their information and it comes in the form of computer chips. |
| RAM | It holds information temporarily. |
| RAM | Random Access Memory |
| Hard drive | It is the most widely used secondary storage device. |
| ZIP disk | It has a portable disk inside a plastic case and holds 100 to 750 megabytes. |
| Flash | The memory which uses chips to hold information. |
| CD-ROM | A ___________ is an optical disk that can hold up to 1 gigabyte of information. |
| DVD-ROM | It can hold up to 17 gigabytes of information. |
| CD-R | A _________, which stands for Compact Disk-Recordable, is a CD-ROM that does not yet contain any information. |
| CD-RW | A ________ is an optical disk that can record information many times. |
| A network | A group of computers that are connected to each other. |
| Local Area Network | It is a connected group of computers that are close to one another. |
| Wide Area Network | It is a connected group of computers that are not close to each other. |
| NIC | Network Interface Card |
| Router | It connects multiple computers to each other as well as to a WAN like the Internet. |
| Server | It manages the flow of information on a network. |
| Topology | A network ___________ is the actual arrangement of computers in a network. |
| Mouse | Input device |
| Digital Camera | Input device |
| Card reader | Input device |
| Printer | Output Device |
| Scanner | Input device |
| Keyboard | Input device |
| Speaker | Output Device |
| Monitor | Output Device |
| Joystick | Input device |
| Cd writer | Output Device |
| Output | Device to put out information |
| Peripheral | Equipment connected to a computer |
| Input | Device to put in information |
| Software | Computer programs |
| Hardware | Physical Equipment |
| Program | Set of instructions |
| RAM | Random Access Memory |
| ROM | Read Only Memory |
| CPU | Centra Processing Unit |
| RAM | Computer memory is temporary |
| Control | Unit of the CPU that moves information from input to printer |
| ROM | Its programs cannot be changed |
| Binary | Number system used by computers |
| Integrated circuit chips | In a microcomputer, RAM, ROM, and the CUP are |
| Arithmetic Unit | The unit in the CPU that processes numbers |
| Port | Where the keyboard is plugged into the computer |
| Database | An application used to organized related information |
| Spreadsheet | Type of software application used to track and average your grades |
| Communications | What type of application software would you use to research vacation attractions in California |
| Word Processing | Type of software application used to type a complaint letter to the newspaper |
| Ergonomics | Itis the study of the relationship between humans and the objects that we use. |
| Mainframe | It is large enough to fill several rooms. |
| Minicomputer | It can be used by several people, even up to hundreds of people at once. |
| Laptop | This computer is designed to be carried from place to place. |
| PDA | It is a computer that is small enough to hold in one’s hand. |
| Peripheral | Anything connected to your computer. |
| PC | Computer is used by one person at a time. |
| Input devices | Used to put information into a computer. |
| Keyboard | It is used to enter information in the form of words, numbers, and punctuation. |
| Mouse | By using it you can point to objects, select objects, and move objects. |
| Scanner | It collects information in the form of pictures. |
| Joystick | It is an input device that usually has buttons that can be pressed to send instructions to the computer. |
| Microphone | It can be used to input audio such as music into a computer. |
| Monitor | It is also called a computer screen. |
| Digital camera | It captures photographs as digital files that can be uploaded directly to a computer. |
| Port | It allows users to connect external input devices to the computer system. |
| An output | This device carries information out of a computer. |
| Monitor | It displays information visually, just like a television set. |
| Printer | You can use it to transfer images from a monitor to paper. |
| Speaker | It carries information in the form of sound. |
| Microprocessor | It is the brain of a computer. |
| Processor’s clock speed | It is the number of calculations the processor can do each second. |
| CPU | Central Processing Unit |
| Memory | It is where computers keep their information and it comes in the form of computer chips. |
| RAM | It holds information temporarily. |
| RAM | Random Access Memory |
| Hard Drive | It is the most widely used secondary storage device. |
| ZIP disk | It has a portable disk inside a plastic case and holds 100 to 750 megabytes. |
| Flash | The memory which uses chips to hold information. |
| CD-ROM | An optical disk that can hold up to 1 gigabyte of information. |
| DVD-ROM | It can hold up to 17 gigabytes of information. |
| CD-R | Compact Disk-Recordable |
| CD-RW | An optical disk that can record information many times. |
| Network | A group of computers that are connected to each other. |
| Local Area Network | It is a connected group of computers that are close to one another. |
| Wide Area Network | It is a connected group of computers that are not close to each other. |
| NIC | Network Interface Card |
| Router | It connects multiple computers to each other as well as to a WAN like the Internet. |
| Server | It manages the flow of information on a network. |
| Topology | It is the actual arrangement of computers in a network. |
| spreadsheet | calculations |
| Monitor | Screen |
| Modem | Communication |
| Mouse | Rat |
| Random Access Memory | Temporary |
| Read Only Memory | Permanent |
| browser | Searching |
| Netiquette | Etiquette |
| Pixel | Dots |
| Binary | Code |
| Byte | Bite |
| Word Processing | Typing |
| keyboard | Typing |
| Internet | Searching |