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Chapter Two Midterm Review

Chapter Two Midterm Review. Jessica Katelyn. Question One. True or False The true measure of processor performance is the amount of time it takes to execute an instruction. Answer One. True. Question Two. True or False

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Chapter Two Midterm Review

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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

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