UNESCO-NIGERIA TECHNICAL &
VOCATIONAL EDUCATION
REVITALISATION PROJECT-PHASE II
YEAR I- SE MESTER I
PRACTICAL
Version 1: December 2008
NATIONAL DIPLOMA IN
COMPUTER TECHNOLOGY
INTRODUCTION TO COMPUTING
COURSE CODE: COM 101
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Computing Fundamentals: A Practical Guide for Diploma Students, Lecture notes of Computer Fundamentals
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UNESCO-NIGERIA TECHNICAL &
VOCATIONAL EDUCATION
REVITALISATION PROJECT-PHASE II
YEAR I- SE MESTER I
PRACTICAL
Version 1: December 2008
NATIONAL DIPLOMA IN
COMPUTER TECHNOLOGY
INTRODUCTION TO COMPUTING
COURSE CODE: COM 101
TABLE OF CONTENTS
- WEEK 4; History of computers - - - - - - WEEK 5; Classes of computers - - - - - - - WEEK 6; Input Devices - - - - - - WEEK 7; Computer Storage - - - - - WEEK 8; How computers Work - - - WEEK 9; Computer software - - - - - - WEEK 10; Computers and The Society - - - - - WEEK 11; Data processing modes - -- - - - WEEK 12; Data Communication and Networks - - - - - WEEK 13; Internet Basics - - - - WEEK 14; Introduction to Windows - - - - - - WEEK 15; File management in Windows - - - - - - WEEK 2; Generations of computers - - - - - - WEEK 1; Main Parts of a computer System - - - - - -
- WEEK 3; Integrated circuit µprocessor - - - - -
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ACTIVITY 2: Go to computer lab and ask the computer technician to show you all the components stated in activity 1.
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GENERATIONS OF COMPUTERS
ACTIVITY 2: Go to the net to download the pictures of the following major contributors to the development of computer: i. Blaise Pascal ii. Babbage iii. John Von Neumann
HISTORY OF COMPUTERS
ACTIVITY 1: In tabular form draw up the list of people that invented the different types of computers to date.
CLASSES OF COMPUTERS
- HP Pavilion PC
- Differential analyzer
- Kerrison Predictor
- Mechanical integrator
- MONIAC Computer (hydraulic model of UK economy)
- Operational amplifier
- Planimeter
- Rangekeeper
- Slide rule
- Thermostat
- Torpedo Data Computer
- Water integrator
- Mechanical computer
- CASIO desk calculator
- Sony washing machine
ACTIVITY 2: Investigate the design objectives of hybrid computers.
ACTIVITY 1: In tabular form classify the following systems into Digital and Analog computers.
ACTIVITY 2: Outline major differences between primary and secondary storage.
ACTIVITY 3: Classify the following into online and off-line storage
COMPUTER STORAGE
ACTIVITY 1: Investigate different types of compact disks.
1. CD-ROM
- Floppy disk
- RAM
- Cache Memory
- Registers
ACTIVITY 2: Investigate the differences between Intel MMX and Intel Celeron processors.
HOW COMPUTERS WORK
ACTIVITY 1: State the names of the 4 items that are attached to system bus in the diagram below.
ACTIVITY 2: Give minimum computer configuration that can be used by a law firm.
COMPUTERS AND THE SOCIETY
ACTIVITY 1: Investigate various types of computers that are used in the medical field.
ACTIVITY 2: Investigate hardware and software requirements for distributed processing.
DATA PROCESSING MODES
ACTIVITY 1: Classify the following data processing operations as Batch, Real Time and Online processing:
- Airline Seat Reservation,
- Theatre Seat Reservation
- Hotel Room Reservation.
- Point of Sales
- Monthly processing of payroll data
- Weekend processing of Sales order
- Bank balance enquiries
ACTIVITY 2: In tabular form differentiate Email and NIPOST system
INTERNET BASICS
ACTIVITY 1: Compare the following web browsers
- Internet explorer
- Netscape communicator
- Fire Fox
ACTIVITY 2: Visit the computer lab and carry out the following activities to boot a computer system.
INTRODUCTION TO WINDOWS OPERATING SYSTEM
ACTIVITY 1: Label the parts of the following window
Power on the main switch Switch on the stabilizer (if any) Switch on the UPS (if any) Press the power button for the monitor to switch on the monitor if it doesn’t come on automatically Press the system unit’s power button to power the system and wait until windows operating system is loaded.