What meant by the term user-friendly as used in software development?
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State any two machines mentioned in the history of computers
With reference to technological development of computers, differentiate between vacuum tubes and integrated circuits
Vacuum tubes or thermionic valves are arrangements of electrodes in a vacuum within an insulated, temperature-resistant glass, while integrated circuits are electronic components that consists of several transistors etched on a silicon chip.
Characteristics of Computers That Makes Them Smarter Than Human Beings1. THEY ARE EFFICIENT
this means they can achieve maximum productivity with minimum wasted effort or expense.
Give a chronological trend of the development of modern electronic computers from the first generation to the fifth generation. In each case, highlight characteristics of each generation.
IBM second generation computer
Charles Babbage is regarded as the father of modern computing, yet he never fully implemented his idea. Explain his contribution.
Charles Babbage designed a machine that could calculate a long series of numbers and print the outcome. He later improved the design by incorporating the idea of programming using punched cards (form of programmed instructions) but did not construct it. This idea was later used in developing the first programmable computer.
Punched card
The development of computers can be traced to the time when historical non-electronic computing devices were invented, like the abacus.
(a) Name four other such devices.
(b) Explain how the devices listed in (a) above contributed to the development of modern electronic computers. Napier Bones
Historically, human beings had been struggling to come up with devices that could help in solving day to day problems particularly simplifying arithmetic problems. This devices were thus used to solve daily problems in arithmetic and are seen as the great grandparents of modern computers.
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