Category: Notes

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

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

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

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

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

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

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

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

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