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D322 OA Retake Exam Questions and Answers
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D322 OA Retake Exam Questions and Answers
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D322 OA Retake Exam Questions andAnswers
First Generation (1946 - 1959) - Answer -Vacuum Tubes
Second Generation (1959 - 1965) - Answer -Transistors
Third Generation (1965 - 1971) - Answer -Integrated Circuits
Fourth Generation (1971 - present) - Answer -Microprocessors
Fifth Generation (Present - Future) - Answer -Artificial Intelligence
System Software - Answer -performs tasks that are common to computer systems in
general. The system software provides the infrastructure needed to run application
software, allowing it to interface with the hardware of the computer system.
Application Software - Answer -consists of the programs that perform tasks specific to
the machine's general purpose. A computer used to maintain a store's inventory needs
different software than a machine used by a mechanical engineer. Spreadsheet,
database, desktop publishing, accounting, and program development software are all
examples of application software.
Software Hierarchy - Answer -
Application Software Types - Answer -Spreadsheets, web browser, accounting, etc.
System Software Types - Answer -Microsoft Windows, Linux, Mac OS X, DOS, etc.
Operating System (OS) - Answer -is software that manages computer hardware and
software resources and provides common services for computer programs
- performs basic tasks such as: file management, memory management, process
management, handling input and output, and controlling peripheral devices such as
drives and printers
Three of the most common operating systems - Answer -Microsoft Windows, MacOs,
and Linux
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