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Course Description
- This is an introductory course on the Fundamentals
of Information and Communication Technologies.
- Topics include:
- ICT Terminologies
- Hardware and Software Concepts and Components
- Networking Concepts and Applications
- ICT based applications. e
Course Outcomes
- Understand different terms associated with ICT
- Identify various components of a computer system
- Identify the various categories of software and their usage
- Define the basic concepts of communications and networking
- Understand different terms associated with the Internet and World Wide Web.
- Use various web tools including Web Browsers, E-mail clients and search utilities.
- Use text processing, spreadsheets and presentation tools
- Understand the importance and the enabling/pervasive features of Information and Communication Technologies (ICT)
Reference Books
• Computing Essentials: Complete 2010 by
O’Leary/O’Leary (McGraw Hill)
• Using Information Technology: A Practical
Introduction to Computer & Communications by
Williams & Sawyer, 7th Edition (McGraw Hill)
• Computers, Communications & Information: A
User's Introduction by Sarah E. Hutchinson,
Stacey C. Sawyer
Tentative Weekly Schedule
WEEK 1 Basic Definitions & Concepts (1A) WEEKS 2,3 Computer Systems & Components (1B,2,3) WEEK 4 Storage and Data (5A) WEEK 5 Processing Data, Number Systems (4) WEEK 6 Operating Systems (6) WEEK 7 Productivity Software (10) WEEK 8 Midterm Exam WEEK 9 Programming and Development (12)
Chapter 6A
Operating System Basics
Operating System
- The core software on a computer which provides
the interface between its hardware (processor,
peripherals, etc.), its software, and the user.
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Types of Operating Systems
1. Real-time operating system
- Very fast small OS
- Built into a device (embedded)
- Respond quickly to user input
- MP3 players, Medical devices
Types of Operating Systems
2. Single user/Single tasking OS
- One user works on the system
- Performs one task at a time
- MS-DOS
- Take up little space on disk
Types of Operating Systems
4. Multi user/Multitasking OS
- Many users connect to one computer
- Each user has a unique session
- UNIX, Linux, and VMS
- Maintenance can be easy
- Requires a powerful computer
- Aka Network Operating System
Multi user/Multi tasking OS
Providing a User Interface
- Graphical user interface (GUI)
- Most common interface
- Uses a mouse to control objects
- Uses a desktop metaphor
- Shortcuts open programs or documents
- Open documents have additional objects
- Task switching
- Dialog boxes allow directed input
Graphical User Interface
Command Line Interface
b) Running Programs
- Many different applications supported
- System call
- Provides consistent access to OS features
- Share information between programs
- Copy and paste
- Object Linking and Embedding
