L2

• COMMON INFORMATION TECHNOLOGIES IN OFFICES

  • Computers
  • Electronic Imaging
  • Electronic Mail (E-mail)
  • Interactive Voice Response
  • Compact Disc
• COMMON INFORMATION TECHNOLOGIES IN OFFICES: Electronic Imaging

  • Converting paper docs -> pics
• COMMON INFORMATION TECHNOLOGIES IN OFFICES: Interactive Voice Response

  • For recording info
• COMMON INFORMATION TECHNOLOGIES IN OFFICES: Compact Disc (CD) –

  • A type of storage device
• COMPUTERIZED PROCESSING

  • Relies heavily on equipment (comp).
• HARDWARE

  • Physical parts of a comp.
• TYPES OF COMPUTERS

  • Mainframe Computers

  • Minicomputers

  • Microcomputers
• TYPES OF COMPUTERS: MAINFRAME COMPUTERS

  • Large, multipurpose machines

  • Very high processing speeds.
• TYPES OF COMPUTERS: MINICOMPUTERS

  • Mid-sized comp

  • Can support a number of users
• TYPES OF COMPUTERS: MICROCOMPUTERS

  • Also called Personal Computers

  • The small, desktop variety
• PERSONAL DIGITAL ASSISTANT

  • Handheld comp

  • Small enough to hold in one hand
• INPUT DEVICES

  • Hardware

  • Allows the comp to accept data for processing
• OUTPUT DEVICES

  • Prints, displays, speaks or records info from the comp.
• STORAGE DEVICES

  • Such as Optical Disk
  • Allowed large volume of data to be stored & retrieved easily.
• SOFTWARE

  • Programs containing instructions for comps
• 3 Categories of Software

  • Operating System Software

  • Application Software

  • Utility Software
• 3 Categories of Software: Operating System Software

  • Allows the comp to communicate with connected devices.
• 3 Categories of Software: Application Software

  • Directs the com to carry out specific tasks.
• 3 Categories of Software: Utility Software

  • Carries out “housekeeping duties” such as:
  • Organizing
• COMMON TYPES OF SOFTWARE: Browsers

  • Display HTML files like Internet Pages
• COMMON TYPES OF SOFTWARE: Communications

  • Modem connections like:
  • Fax
  • Voice
  • Electronic
  • Internet mail
  • File transfers
• COMMON TYPES OF SOFTWARE: Database Management

  • Records creation & maintenance

  • Records updating & editing

  • Data querying

  • Report creation
• COMMON TYPES OF SOFTWARE: Desktop Publishing

  • Page composition
  • To produce high qual docs that contain text & graphics, it uses
  • Type Style
  • Fonts
• COMMON TYPES OF SOFTWARE: Development

  • Tools for creating interactive applications including
  • Animations
  • Pages for the internet
• COMMON TYPES OF SOFTWARE: Graphics & Design

  • Clip-art images, photos, line art, and drawing and design tools for use in desk-top publishing docs as well as computer-aided design.
• COMMON TYPES OF SOFTWARE: Finance

  • Checkbook, online banking, accounts receivable/payable, billing, financial reports, financial forecasting, tax planning, inventory, and job costing.
• COMMON TYPES OF SOFTWARE: Operating System

  • Controls the operation of the comp

  • Communicates with devices such as printers.
• COMMON TYPES OF SOFTWARE: Network

  • Server perf for networks, security, mgmt, directory services, intranets.
• COMMON TYPES OF SOFTWARE: Presentation

  • Multimedia shows with graphics, sound, text, & animation.
• COMMON TYPES OF SOFTWARE: Project Mgmt

  • Timeline schedules, calendars, appoint- ment reminders, travel guides, address books, prioritizing

  • Task mgmt

  • EM perf eval.
• COMMON TYPES OF SOFTWARE: Specialized

  • Software developed for specialized needs such as medical, law, and real estate offices.
• COMMON TYPES OF SOFTWARE: Spreadsheet

  • Number calculations using formulas, sorting, charts, "what-if" analyses
• COMMON TYPES OF SOFTWARE: Utility

  • Scan and disable viruses, compress files, boost performance, recover lost files, repair disks, troubleshoot, protect, and back up data.
• COMMON TYPES OF SOFTWARE: Word Processing

  • Document creation & editing,

  • Spelling and grammar checking,

  • Merging of text, data, & graphics into integrated docs.
• NETWORKS

  • Used to link coms to other types of hardware
• LOCAL AREA NETWORKS

  • Used to link coms that are close to each other.
• TRANSMISSION CARRIERS

  • Cables used to link computers in a LAN.

  e.g.

  • Twisted-pair Cable

  • Coaxial Cables

  • Fiber-optic Cable
• TRANSMISSION CARRIERS: TWISTED-PAIR CABLE

  • Similar to older telephone wiring

  • Inexpensive

  • Prone to interference from other electrical devices
• TRANSMISSION CARRIERS: COAXIAL CABLE

  • Widely used by cable TV comps

  • Faster & more reliable over longer distances than twisted-pair

  • More expensive than twisted wire

  • Much less interference
• TRANSMISSION CARRIERS: FIBER-OPTIC CABLE

  • Made from thin glass strands

  • Transmits laser light pulses efficiently at very high sped over long distances

  • Not affected by electrical interference