Computer Applications Final Exam Study Guide Questions With Correct Answers
What is a computer? CORRECT ANSWER An electronic device that operates via instructions stored in its own memory. What can a computer do? CORRECT ANSWER Accepts data Processes data Produces output Stores the results What is the information processing cycle? CORRECT ANSWER Input- data Process- computation Output- reports, etc.. Storage- both internal or external What are some input devices? CORRECT ANSWER Keyboard, stylus, mouse, touchpad, or touch screens What is a system unit? CORRECT ANSWER A case that ??????? What does memory do? CORRECT ANSWER It stores instructions waiting to be execute and data needed for instructions What are bytes? CORRECT ANSWER Measures memory 1 character- 1 byte Kilobytes= 1,024 bytes Megabyte- 1 million bytes Gigabyte- 1 billion bytes Terabyte- 1 trillion bytes What are examples of output devices? CORRECT ANSWER All-in-one device such as printers, scanners, copiers, and fax machines Display devices such as monitors with pixels (the more pixels= better resolution) What are storage devices? CORRECT ANSWER Records/retrieves items to and from storage
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