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BCS Certificate in IT Study Materials & Resources - Computer & Network Technology.

Computer & Network Technology

04.00 PM Tuesday / January 21, 2014

BCS-The British Computer Society credentials are leading IT qualifications followed by top IT professionals all over the world. Now you can study and sit for BCS exams in Sri Lanka.



The BCS Certificate in IT focuses on the following core modules:

  • Information Systems
  • Software Development
  • Computer & Network Technology

BCS Certificate in IT Computer & Network Technology


Aims

  • To develop an understanding of the principles underlying the construction of computer systems
  • To introduce the fundamental building blocks of all digital computers and the operating principles of computer peripherals
  • To evaluate critically the performance data quoted for computer systems

Prior Knowledge

Not expected

What You will be Studying

FUNDAMENTALS

  • Number representation (e.g. binary, hexadecimal) and the conversion between bases
  • Representation of negative numbers, fractional numbers, and floating point numbers
  • Gates: AND, OR, NAND, NOR, EOR, inverter
  • Sequential logic elements: D flip-flops, RS flip-flops, JK flip-flops
  • Simple logic circuits: Full adder, multiplexer, shift register, counter
  • Boolean algebra, simplification of logic equations, truth tables

PROCESSOR ARCHITECTURE
  • The concept of a stored program and the fetch/execute cycle
  • Structure of the CPU at the level of registers, buses, and functional units
  • Instruction formats (one-, two-, three-address; register-to-register machines and load/store machines)
  • Typical computer instructions (data movement, arithmetical and logical, flow control)
  • Trends in processor technology
  • Information storage: The memory hierarchy from cache to secondary storage
  • The operation of both magnetic and optical storage devices, their performance and characteristics
  • The characteristics and performance of peripherals; for example, display devices, printers, keyboards etc
  • Input/output techniques: peripheral polling and interrupt driven I/O

INTRODUCTION TO OPERATING SYSTEMS AND SYSTEM SOFTWARE
  • The human interface
  • Multitasking: interrupts, concurrency, scheduling, memory management
  • System software: Internet browsers, email systems, security products (e.g. anti virus software)
  • System performance and its evaluation: definition, measurement and benchmark

NETWORKS
  • Communication principles: characteristics of transmission media, LAN, WAN, Wi-Fi and wireless technologies
  • Protocols for data transmission: ISO 7-layer model for OSI
  • The data link layer and typical protocols
  • Communications equipment: modems, routers and bridges
  • The Internet
  • Malware: viruses, worms, Trojan horses, spyware and their effect on system reliability and performance
  • Future trends in computer communications

BCS Recommended Books

  • Capron, H. L., Computers (Tools for an Information Age), Prentice Hall (8th Ed), 2003, ISBN: 0131405640
  • Introductory book – sets the module in context. Also covers systems software.
  • Clements, A., The Principles of Computer Hardware, Oxford University Press (4th Ed), 2006, ISBN: 0198564538
  • Covers fundamentals and architecture in detail.
  • Tanenbaum, Andrew, S., Modern Operating Systems, Prentice Hall (3rd Ed), 2008, ISBN 0138134596

BCS Recommended Other Texts

  • Comer, D. E., Internet Book, The: Everything You Need to Know About Computer
  • Networking and How the Internet Works, Prentice Hall (4th Ed), 2007, ISBN: 0132335530
  • Halsall, F., Computer Networking and the Internet, Addison Wesley (5th Ed), 2005, ISBN: 0321263588
  • Covers the networks material in considerable depth.
  • Tanenbaum A. S., Computer Networks, Prentice Hall (4th Ed), 2003, ISBN: 0130384887


Other Reading

Students are expected to access a wide range of sources of information on IT hardware/software including journals, popular computer magazines, and the internet.



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