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Information Technology Basics

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What is Information? What is Technology? What is Information Technology? Computers, Hardware and softwares

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Information Technology Basics

  1. 1. (1st Week) Information Technology Hardware & Networking Course by Wasim Ahmad Khan Govt. Dyal Singh College Lahore, Pakistan
  2. 2. What is Data?  Data: Raw facts, figures, and some details. Hardware & Networking Course Wasim Ahmad Khan Govt. Dyal Singh College Lahore, Pakistan www.MultiLiber.com
  3. 3. What is Information?  Information: An organized, meaningful, and useful interpretation of data. Hardware & Networking Course Wasim Ahmad Khan Govt. Dyal Singh College Lahore, Pakistan www.MultiLiber.com
  4. 4. What is Technology?  Technologies are artificial instruments, processes or systems that extend our natural capabilities. – e.g: Scanner, Fax, Printer. Hardware & Networking Course Wasim Ahmad Khan Govt. Dyal Singh College Lahore, Pakistan www.MultiLiber.com
  5. 5. What is Information Technology?  Information Technologies extend natural forms of representing and communicating information to incorporate artificial and external forms – e.g: writing, the printing press, telephone Hardware & Networking Course Wasim Ahmad Khan Govt. Dyal Singh College Lahore, Pakistan www.MultiLiber.com
  6. 6. Computers  Computers are electronic machines that – accept data & instructions from a user (INPUT) – store the data & instructions (STORAGE) – manipulate the data according to the instructions (PROCESSING) – store &/or output the results to the user (OUTPUT) Hardware & Networking Course Wasim Ahmad Khan Govt. Dyal Singh College Lahore, Pakistan www.MultiLiber.com
  7. 7. Computers  A computer system is composed of hardware and software.  Hardware components are the physical, tangible pieces that we can see and touch.  Software is the program and other operating information used by a computer. Hardware & Networking Course Wasim Ahmad Khan Govt. Dyal Singh College Lahore, Pakistan www.MultiLiber.com
  8. 8. Software  Program – a sequence of instructions to accomplish a result – a computer processes information under the direction of a program  Data – information to be processed by a program  Example – Data: for each employee, the employee number, hours worked & hourly pay rate – Program: instructions on how to process the data to produce pay cheques, payroll register, etc. Hardware & Networking Course Wasim Ahmad Khan Govt. Dyal Singh College Lahore, Pakistan www.MultiLiber.com
  9. 9. Thanks www.MultiLiber.com

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