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Computer Technology Essentials Summary

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31 diapositives · 423 Views · Sep 07, 2014

A comprehensive review of fundamental concepts in computer technology including processor performance, storage types, binary system, and user interaction. Test your knowledge with true/false and multiple-choice questions.

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Computer Technology Essentials Summary
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  1. Chapter Two Midterm Review Jessica Katelyn

  2. Question One • True or False • The true measure of processor performance is the amount of time it takes to execute an instruction.

  3. Answer One • True

  4. Question Two • True or False • Faster clock speeds generate more heat in a system and require larger cooling systems.

  5. Answer Two • True

  6. Question Three • True or False • Compared to other types of secondary storage, flash memory can be accessed more quickly, consumes less power, and is smaller in size

  7. Answer Three • True

  8. Question Four • True or False • The binary number system uses only two values, 0 and 1, and is used by computers and digital devices to represent and process data.

  9. Answer Four • True

  10. Question Five • True or False • If false, change the underline word or phase to make the statement true. • The microprocessor, invented in 1947 at Bell Labs, has become the key ingredient of all digital circuits, including those used in computers.

  11. Answer Five • False, transistor.

  12. Question Six • True or False • If false, change the underline word or phase to make the statement true. • Data flows back and forth between the CPU and RAM across the system bus.

  13. Answer Six • True

  14. Question Seven • True or False • If false, change the underline word or phase to make the statement true. • Processing has been defined as the ability to maintain data within the system temporarily or permanently.

  15. Answer Seven • False, Storage.

  16. Question Eight • True or False • If false, change the underline word or phase to make the statement true. • DVDs are the only disk with the capacity to store an entire digitized motion picture.

  17. Answer Eight • True

  18. Question Nine • Multiple Choice • What is the act of manipulating data in a manner defined by programmed instructions? • A. Input C. Storage • B. Output D. Processing

  19. Answer Nine • D. Processing

  20. Question Ten • Multiple Choice • A _________ is one of many tiny dots that make up a picture in the computer’s memory. • A. Bit C. Bitmap • B. Pixel D. Byte

  21. Answer Ten • B. Pixel

  22. Question Eleven • _________ is a measure of the number of pixels on the screen. • A. Optical mark recognition C. Display Resolution • B. Optical character recognition D. CRT

  23. Answer Eleven • C. Display Resolution

  24. Question Twelve • Users interact with computers through ______devices. • A. I/O C. USB • B. ALU D. Control

  25. Answer Twelve • A. I/O

  26. Question Thirteen • Large-capacity hard drives have made possible _______ such as TiVo. • A. VCRs C. DVDs • B. DVRs D. XVRs

  27. Answer Thirteen • B. DVRs

  28. Question Fourteen • The primary circuit board of a computing device is known as the______________.

  29. Answer Fourteen • Motherboard

  30. Question Fifteen • Handheld computers and tablet PCs use a(n)___________ that allows you to select items on the screen by touching them with your finger or a stylus.

  31. Answer Fifteen • Touch screen