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Information Techonolgy Terms 1 Crossword Puzzle

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Information Techonolgy Terms 1

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1 allows precise control of a function, but requires remembering all the correct commands and switches necessary for a task; used in DOS; a way of interacting with computers
3 a high-speed, point-to-point channel for attaching a graphics card to a computer’s motherboard, primarily to assist in the acceleration of 3D computer graphics
8 typical form of xDSL telephone companies offer to residences
10 specification that allows mobile phones, computers, and PDAs to be connected wirelessly over short ranges
12 bring users of the network into contact with one another
13 connects building LANs together
15 common measure of data speed for computer modems and transmission carriers
16 connects LANs within a building
19 the merging and sometimes clashing of voice and data networks
21 optical storage device read by lasers; can hold up to 700 megabytes of data
24 a combination of hardware and software that lets the various computers in an organization communicate with one another
26 the decimal system
31 performs the functions of file transfer, e-mail, etc.
32 logical network segment where data packets can 'collide' with one another for being sent on a shared medium, in particular in the Ethernet networking protocol
35 transmission that uses a set amount of network capacity on a continual basis; used when the arrival of the information is time-sensitive
38 how a system is designed; includes how the components are connected to and operate with each other
40 describes the user information transfer rate the network supports during normal network operations
41 a count of the number of bits in a transmission unit that is included with the unit so the receiver can check to see whether the same number of bits arrived
42 a digital circuit that calculates an arithmetic operation (e.g., addition, subtraction) and logic operations between two numbers; the fundamental building block of the Central Processing Unit (CPU) or a computer
43 electrical connection between any two components in a computer
1 occurs when several network users communicate at the same time and interfere (collide) with one another
2 describes signals and systems whose range of frequency is measured from 0 to a maximum bandwidth or highest signal frequency; sometimes used as a noun for a band of frequencies starting at 0
4 interprets the LAN hardware adapter address contained in MAC and decide whether to filter or forward the frame; does not change the frame in any way
5 expressed in a range of frequencies using hertz as the unit of measurement; also called analog capacity
6 relates a number from 0 to 255 in the binary (base 2) form to keyboard characters
7 one of several physical media specified by IEEE 802.3 for use in an Ethernet local area network (LAN); referred to as Fast Ethernet because of its higher transmission speed
9 the brain of the computer system where calculations and decisions are made; also referred to as the processor
10 system layout where electrical signals generated by a device connected anywhere on the bus are received by all other connected devices
11 an integrated circuit designed for a particular use
12 special computer program that provides an environment in which other programs can use the computer’s central processor and the attached input/output devices
14 a voluntary organization that coordinates the development and use of consensus standards in the United States and represents the needs and views of U.S. stakeholders in standardization forums around the globe
17 a technique used for transmitting information via a radio carrier wave
18 an interautonomous system routing protocol; a network or group of networks under a common administration and with common routing policies
19 special type of CD-ROM that can be written onto by any computer with a recording drive; can be written onto more than once
20 the standard size of data in a computer; 8-bits
22 network layer protocol provided with TCP/IP; used to map an IP (internet protocol) address to a MAC (media access card) address
23 the firmware code run by an IBM-compatible PC when first powered on, known as “booting up”; primary function is to prepare the machine so other software programs can load, execute, and assume control of the PC
25 one of several physical media specified by IEEE 802.3 for usein an Ethernet local area network LAN); consists of Thickwire coaxial cable with a maximum segment length of 185 meters
27 gives programmers a formal set of routines to call on to use underlying network services
28 software used to design products such as electronic circuit boards in computers
29 client applications that access WWW servers
30 keeps data the processor is likely to need quickly close at hand; increases processor operation speed
33 high bandwidth, cell-switching technology; designed to carry many different types of information, including voice, video, image, data, and graphics; another form of STDM (statistical time division multiplexing)
34 contraction of the expression “binary digit”; smallest unit of data in a computer
36 allows multiple devices to be wired to a central location to share the same media and regenerate the signal; also referred to as multiport repeaters
37 special type of CD-ROM that can be written onto by any computer with a recording drive; can only be written onto once
39 requires very little power; maintains information even when the computer is off
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