Tag: SS1 ONLINE STUDY

Digitalization of computer

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

Tags SS1 1st Term Data Processing, SS1 ONLINE STUDY

Data Processing Notes

Classification of computers by size

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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

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

Tags SS1 1st Term Data Processing, SS1 ONLINE STUDY

Data Processing Notes

History of computers

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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

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

Tags SS1 1st Term Data Processing, SS1 ONLINE STUDY

Data Processing Notes

History of computing

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