Exam 3: Performing Calculations With Formulas and Functions

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Alex needs to email his graduation certificate to a prospective employer. He has only physical copies of the certificate. What device could he use to perform the task?

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Which of these is an optical medium of storage?

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A CPU converts the data entered through the keyboard into output displayed on the monitor.

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While naming a file on the computer, if we press the key corresponding to letter A on the keyboard, what process is carried out inside the CPU to display the letter on the screen?

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What is the recommended solution if a computer performs slowly?

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In which format is data finally stored in computers?

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Peripheral devices, like a USB flash drive, are generally connected to your computer through ports.

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Where on a computer is the operating system generally stored?

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What device do e-learning applications usually use to help users with visual impairment read digital content?

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Which of these, though not equally portable, is most powerful and usually easier to upgrade than others?

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