Tuesday 23 December 2014

Ethics

  • Definition: Ethics is the set of moral values or principles that govern the conduct of an individual or group
  • Is ethics relevant for Information Technology?
  • Let’s revisit the discussion question from slide 1-7
  • How important is ethics if all your personal information, health information, AND virtual money is stored on computers? 
  • Would YOU trust a physician who downloaded his/her  term papers from the Internet?

Convergence, Portability, & Personalization

When computers and communications combine we get:
  • Convergence: the combination of
    • Computers with various devices
    • TVs with internet access, cell phones with digital cameras
  • Portability
  • Personalization
  • Collaboration: software that allows
    • People to share anything instantly
    • People to enhance the information as they forward it

Future of Information Technology


Building Your Own PC


Software

I. System Software (Operating System)
  • helps the computer perform essential operating tasks and enables the application software to run Must be installed before application software 
  • Operating System (OS) options for the PC 
    • Linux,Windows,Unix 
  • Operating System (OS) options for the Mac 
    • Mac OS 
II. Application Software
  • enables you to perform specific tasks—solve problems, perform work Install after the OS 
  • Application depends on OS, for example 
    • Linux applications won’t work on Windows 
    • Windows applications won’t work on Linux

Servers

  • The word server describes how the computer is used, not the type or size of computer 
  • Are central computers 
  • May be any of the 4 larger computer types. 
  • “Server” describes a function 
    •  Hold data (databases) and programs 
    • Connect to and supply services for clients
    •  Clients are other computers like PCs, workstations, other devices

Monday 22 December 2014

Understanding Your Own Computer


Types of Microcomputers


  • Desktop PCs:  Case or main housing sits on the desktop.
  • Tower PCs:  Case sits in a tower on the floor.
  • Notebooks:  also called Laptops, lightweight portable computers with built-in monitor, keyboard, hard-disk drive, battery and AC adapter.
  • PDAs:  also called handheld computers or palmtops , combine personal organization tools -schedule planners, address books, to-do lists – with the ability in some cases to send e-mail and faxes.


5 computer types


Email Tips

  • Always put a subject line in your message  
    • For short messages, that’s all you need
  • Send attachments only when necessary
    •  Every recipient gets a copy – 
    •  For 500 people that’s 500 copies!
    •  For a short attachment, copy the text to the email itself instead of sending the attachment
  • Don’t open attachments unless you know the sender 
    •  It could contain a virus or malware
  • Use discretion about sending emails
    •  Emails aren’t secret
    •  They can be easily forwarded to others
  • Check grammar, spelling to bosses, customers
  • Don’t use email to express criticism or sarcasm
  • Email received at work is the property of your employer
  • Deleting email messages does not remove them everywhere
  • Don’t neglect real personal contact

Internet, World Wide Web, & Cyberspace

The Telephone Grows Up


  • 1973: First cellphone call
  • 2006: Nokia estimates 2 billion mobile phone subscribers
  • Today’s cellphones:
    • Are mobile
    • Can take and send pictures
    • Can connect to the internet
    • Can send and receive text messages

IT used in LIFE

Friday 19 December 2014

Rules for Computers in Classrooms

Problem: Computers in the classroom can be used or misused.

What should they be used for?

  • Following the lecture slides
  • Working along with the instructor
  • Performing instructor-assigned internet searches
  • Completing assignments for this class

What is misuse?

  • Text messaging or emailing friends
  • Surfing the internet for entertainment
  • Doing assignments for other classes

Thursday 18 December 2014

IT parts

Definition: Information Technology (IT or Infotech) describes any technology that helps to produce, manipulate, store, communicate, and/or disseminate information. Examples on it :PC,new phones ,TVs,etc.

IT consists of two parts

Part 1: Computer Technology

Part 2: Communication Technology

A computer is a programmable, multiuse machine that accepts data—raw facts and figures—and processes, or manipulates, it into information we can use, such as summaries, totals, or reports.

Communications technology, also called telecommunications technology, consists of electromagnetic devices and systems for communicating over long distances such as telephone, radio, cable TV. Online means using a computer or other information device, connected through a voice or data network, to access information and services from another computer or information device.

GET MORE INFORMATION HERE