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Output device: A display screen, printer, or another device that lets you see what the computer has accomplished.Input device: Usually a keyboard and mouse, the input device is the conduit through which data and instructions enter a computer.Common mass storage devices include disk drives and tape drives. Mass storage device (slower, cheaper, long-term memory): This allows a computer to permanently retain large amounts of data and programs between jobs.
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Memory (fast, expensive, short-term memory): Enables a computer to store, at least temporarily, data, programs, and intermediate results.Central processing unit (CPU): The heart of the computer, this is the component that actually executes instructions organized in programs (“Software“) that tell the computer what to do.All general-purpose computers require the following hardware components: The actual machinery (wires, transistors, and circuits) is called hardware the instructions and data are called software. Modern computers are electronic and digital. These programs enable computers to perform an extremely wide range of tasks. Modern computers have the ability to follow generalized sets of operations, called programs. ♦ Download 5000+ Computer MCQ PDF For All Examsĥ000+ Computer Question And Answers PDF: Overview TopicĬomputer Question And Answers PDF For All ExamsĪ computer is a machine that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming.♦ Download Topic Wise Computer Practice Set PDF.♦ Download 500+ Computer General Knowledge In Hindi PDF.♦ Download 500+ Computer General Knowledge PDF In English.♦ A to Z Computer Keyboard Shortcut Keys List PDF.♦ Basic & Fundamental Computer Questions and Answers PDF.Computer Questions For Competitive Exams Pdf.Computer Question And Answers In Hindi PDF.5000+ Computer Question And Answers PDF: Overview.