English for Information Technology (Phần 2)
LESSON 6: DATABASES AND SPREADSHEETS
I. Warm up
Read the following sentences and decide whether they are true (T) or false (F).
1. A spreadsheet program displays information in the form of a table, with a lot of columns
and rows.
2. In a spreadsheet you can only enter numbers and formulas.
3. In a spreadsheet you cannot change the width of the columns.
4. Spreadsheet programs can produce visual representations in the form of pie charts.
5. Spreadsheets cannot be used as databases.
n navigate through the Internet. By using a special program 114 known as a 'browser' you can find news, pictures, virtual museums, electronic magazines -any topic you can imagine. You travel through the Web pages by clicking on keywords that take you to other Web sites. It is also known as the World Wide Web or WWW. Web site (n): A location on the Internet where a company puts Web pages with information. wide area network (WAN)(n): A network that extends outside a building or small area. For long distance communications, LANs are usually connected into a WAN. widow (n): A single line ending a paragraph and appearing at the top of a printed page or column. window (n): A rectangle on the desktop that displays information. window-based (adj): This refers to an application or program whose interface is based around windows. word processor (n): An application that manipulates text and produces documents suitable for printing. word wrap (n): An editing facility which automatically moves a word to the next line if there is not enough space for the complete word on the current line. workstation (n): A computer system which usually includes a defined collection of input and output devices. 115 Acronyms and abbreviations ACK: positive ACKnowledgement ADB: Apple Desktop Bus AI Artificial Intelligence AIFF: Audio Image File Format ALGOL: ALGOrithmic Language, a problem- oriented, high-level programming language for mathematical and scientific use ALU: Arithmetic Logic Unit AMD: Advanced Micro Devices, manufacturer of microprocessors API: Application Program Interface ASCII: American Standard Code for Information Interchange AT: Advanced Technology. The AT was born in 1984 with the introduction of the IBM PC- AT. Most ATs have 286 processors AT&T: American Telephone & Telegraph company ATM: 1. Adobe Type Manager, 2. Automated Telling Machine AVI: Audio Video Interface, a video format BASIC: Beginner's All-purpose Symbolic Instruction Code Bcc: Blind carbon copy. Addresses in the Bcc: line of an email will receive a copy of the message but the identity of the recipients will be kept secret BBS: Bulletin Board System BCPL: system programming language form which the language C was derived BIOS: Basic Input/Output System Bit: binary digit Bps: bits per second BUS: Binary Unit System C: A high-level language designed for system programming, usually (but not exclusively) for software development in the UNIX environment CAD: Computer-Aided Design CAE: Computer-Aided Engineering' CAI: Computer-Assisted Instruction CALL: Computer-Assisted Language Learning CAM: Computer-Aided Manufacturing CASE: Computer-Aided Software Engineering Cc: Carbon copy. Addresses on the Cc: line of an email will receive the same message. CD: Compact Disk CD-R: Compact Disk-Recordable CD-ROM: Compact Disk-Read Only Memory 116 CD-RW: CD-Rewritable CGA: Color Graphics Adaptor CMYB: Cyan, Magenta, Yellow, Black COBOL: Common Business-Oriented Language COM: Computer Output on Microfilm Cps: 1. characters per second, 2. cycles per second CPU: Central Processing Unit CR: Carriage Return CRT: Cathode Ray Tube CU: Control Unit DA: Desk Accessory DAC: Digital to Analogue Converter DAT: Digital Audiotape, DAT desks are becoming the standard for professional music recording DBMS: DataBase management System DD: 1 Disk Drive, 2 Double Density DDE: Dynamic Data Exchange DEC: Digital Equipment Corporation DNS: Domain Name System DOS: Disk Operating System Dpi: dots per inch DRAW: Direct Read After Write DR DOS: Digital Research disk operating system DS: disks double-sided disks DTP: Desktop Publishing DTV: Desktop Video DVD: Digital Video Disk (or Digital Versatile Disk) DVI: Device Independent EAROM :Electrically Alterable Read-Only Memory ECMA: European Computer Manufacturers' Association EDIF: Electronic Data Interchange Format EGA: Enhanced Graphics Adaptor EOD: Erasable Optical Disk EPS(F): Encapsulated PostScript (file) FAQ: Frequently Asked Questions, a file containing answers to questions that the Internet users frequently ask FD: Floppy Disk FDD: Floppy Disk Drive FDDI: Fibre Distributed Data Interface FDHD: Floppy Disk High Density FORTRAN: FORmula TRANslation FPU: Floating-point Unit FTP: File Transfer Protocol GB: Gigabyte (1,024 megabytes) GCR: Group-Coded Recording (format to recognize disks, Macintosh) GHz: Gigahertz: one billion cycles per second 117 GIF: Graphic Interchange Format GNU: Gnu's Not UNIX GUI: Graphical User Interface HD: 1 Hard Disk, 2 High Density disk HDD: Hard Disk Drive HDTV: High-definition Television HP: Hewlett-Packard HTML: Hypertext Markup Language, codes used on the Web pages Hz: Hertz (unit of frequency equal to one cycle per second), named after Heinrich Hertz IAC: Inter-application Communications IBM: International Business machines IC: 1 Interface Converter (Card), 2 Integrated Circuit ICR: Intelligent Character Recognition IDE: Integrated Drive Electronics: a standard hard disk controller IGES: Internal Graphics Exchange Specification I/O: Input/Output IP: Internet Protocol IRC: Internet Relay Chat ISA: Industry Standard Architecture. An ISA bus is 16 bits wide ISDN: Integrated Services Digital Network ISO: International Standard Organization ISP: Internet Service Provider IT :Information Technology jPEG joint Photographic Experts' Group: standard in image compression k: 1 kilo, used to denote a thousand 2 1,024 bytes KB: kilobyte (1,024 bytes) Kbps: kilobits per second kHz :kilohertz: 1,000 cycles per second LAN: Local Area Network LCD: Liquid-Crystal Display LIMDOW: Light Intensity Modulation/Direct Overwrite, a method that allows you to overwrite data on optical disks LISP: LISt Processing: high-level language used for artificial intelligence research LP: Linear Programming LQ: Letter Quality MB: 1 megabyte: one million bytes 2 Mother Board MBPS: MegaBits Per Second MC: Memory Card MCA: Micro Channel Architecture: standard 32-bit bus MDA: Monochrome Display Adaptor MFM: Modified Frequency Modulation (format to recognize disks: IBM and compatibles) MHz: megahertz: one million cycles per second 118 MIDI: Musical Instrument Digital Interface MIME: Multipurpose Internet Mail Extensions, a standard for attaching files to email messages MIPS: Million Instructions Per Second MMX: Multimedia Extensions Modem: Modulator/DEModulator MP3: Motion Pictures Experts group: standard for compressing and decompressing images Ms: millisecond: thousandth of a second MS-DOS: Microsoft Disk Operating System MTBF: Mean Time Between Failure. Refers to the average rate of hours for a hard disk NAK: Negative ACKnowledgement NAS :Network Application Suupport NIC: Network Interface Card NLQ: Near Letter Quality NUl: Network User Identifier OCR: Optical Character Recognition OLE: Microsoft's Object Linking and Embedding standard OOP: Object Oriented Programming OROM: Optical Read Only Memory OS: Operating System OSF: Open software Foundation OSI: Open System Interconnection PC: Personal Computer PCI: Peripheral Component Interconnect, a standard bus. pdf :Portable document formatted to distribute text files over the Internet; it can be read with Adobe Acrobat POS: Processor Direct Slot PERT: Project Evaluation and Review Technique PGA: Profession Graphics Adaptor Picon: picture icon Pixel: picture element PHIGS: Programmer's Hierarchical graphics Interactive Standard PL/1: Programming Language 1 PMMU: Paged Memory Management Unit PPO: PostScript Page Description ppi: pixels per inch POP: Point of Presence, the location you dial into when you want access to the Internet PPP: Point to Point Protocol, allows computers to use modems and to have access to the Internet PROM: Programmable Read Only Memory PS: PostScript RAM: Random Access Memory RGB: Red, Green, Blue RIP: Raster Image Processor RISC: Reduced Instruction Set Computer ROM: Read Only Memory RS series: Requirement Specification, referring to the interconnection standards for computing devices: RS 232, RS 422. 119 SCSI: Small Computer System Interface SIMMs: Single In-line Memory Modules: circuit boards which contain RAM chips SMTP: Simple Mail Transfer Protocol SNA: System Network Architecture: data network protocol developed by IBM TB terabyte: one million megabytes TCP/IP: Transmission Control Protocol/Internet Protocol, the language used for data transfer on the Internet TELEX: TELeprinter EXchange TIFF: Tagged Image File Format: the kind of graphics-file format created by a scanner TFT: Thin Film Transistor: In a TFT display, each pixel is produced by three tiny transistors: one each for red, green, and blue. This allows for very clear and stable pictures TOS: Tramiel Operating System URL: Uniform Resource Locator, an address of a Web site's location on the Internet USB: Universal Serial Bus graphics VRML Virtual Reality Modeling Language VAT: Value Added Tax VAX: Virtual Address eXtension VDT: Video Display Terminal VGA: Visual graphics Array VMS: Virtual Memory System VRAM: Video Random Access Memory, common type of video card memory for color WAN: Wide Area Network WFW: Windows for Workgroups WIMP: Window, Icon, Mouse, and Pointer WORM: Write Once/Read Many WP Word Processor WWW: World Wide Web WYSIWYG: What You See Is What You Get XGA: eXtended Graphics Array XT: eXtended Technology. The XT was born in 1983 with the launch of the IBM PC- XT 120 References The following sources are used for text extracts or/and adaptations: 1. Oxford English for computing. Oxford University Press: Spain – Boeckner, K. & Brown, C., 2. English for IT and computer user Thac Binh Cuong, Ho Xuan Ngoc 3. Basic English for computing. Oxford University Press - Eric H. Glendinning, John McEwan 121
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