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Data Processing Notes

Data and Information

DEFINITION OF DATA Data are raw, unorganized or unprocessed facts that need to be processed. Data can be something simple […]

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Data Processing Notes

ICT Application in everyday life

INTRODUCTION ICT has turned this world to a global village. Apart from communication, that is, reaching people both far and […]

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Data Processing Notes

Digitalization of computer

Digitalization is the process of converting information into digital format. This information may represent an object, image, sound, document or […]

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Data Processing Notes

Classification of computers by size

Computers can be generally categorized into four, namely: Super computers Mainframe computers Mini computers Micro computers SUPER COMPUTER These are […]

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Data Processing Notes

Classification of computers by types

Computers can be classified by types into THREE major types. They are: DIGITAL COMPUTER ANALOGUE COMPUTER HYBRID COMPUTER DIGITAL COMPUTER […]

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Data Processing Notes

History of computers

Consider the table below: Generations Of computers Year of development The Technology Used Characteristics Software Instruction Storage Capacity First 1951-1958 […]

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Data Processing Notes

Generation of computers

FIRST GENERATION Electronic machine which was distinct from mechanical computers evolved about 1945. UNIVAC is a good example of this […]

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Data Processing Notes

History of computing

EARLY MECHANICAL COUNTING/CALCULATING DEVICES Abacus Slide rule EARLY ELECTRO-MECHANICAL COUNTING DEVICES John Napier bone Blaize Pascal machine Gottfried Leitbnitz machine […]

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Data Processing Notes

Introduction to Data processing

In this chapter, you shall learn about what is data and information; the difference between data and information. Attempt to […]

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Data Processing

SS1 1st Term Data processing scheme of work

FIRST TERM E-LEARNING NOTE SUBJECT:  DATA PROCESSING                                                            CLASS:  SSS1 SCHEME OF WORK WEEK           TOPIC INTRODUCTION TO DATA PROCESSING HISTORY […]