MIS QUIZ 3

41. A(n) _____ consists of one or more rigid platters installed in the same box that holds the CPU and other computer components, or attached externally to the computer, usually through a USB port.

Hard disk

44. _____ is the number of bits per second that the bus can accommodate.

Throughput

45. With a(n) _________, a user controls the cursor by moving his or her finger along a touch-sensitive pad.

Trackpad

40. ________ is the study of the comfort and safety of human beings in their working environment.

Urganomics

40. _____ is the study of the comfort and safety of human beings in their working environment.

Urganomics????

21. _____ keyboards are split in the middle, and the two parts are twisted outward to better fit the natural position of the forearms. a. Ergonomic b. QWERTY c. Dvorak d. AZERTY

a. Ergonomic

1. An advantage of a flat-panel monitor is its lower power consumption. a. True b. False

a. True

10. Optical bar recognition senses data encoded in the series of thick and thin black bars in bar codes. a. True b. False

a. True

5. Voice recognition is the process of translating human speech into computer-readable data and instructions. a. True b. False

a. True

9. All other things being equal, the greater the clock rate, the faster the machine, because it can fetch, decode, execute, and store more instructions per second. a. True b. False

a. True

13. The combination of _____ and clock rate determines throughput. a. bus width b. RAM width c. bus depth d. ROM size

a. bus width

4. The control unit is the part of the CPU where all arithmetic and logic operations take place. a. True b. False

b. False= ALU

8. Hardware, in computer terms, refers to the physical components of a computer. a. True b. False

b. False= is the physical electronic components

6. Input devices, most commonly computer monitors and printers, deliver information from the computer to a person. a. True b. False

b. False= that is output devices

2. Servers are more powerful than mainframes. a. True b. False

b. False= they are less powerful

34. _____ is used to try to interpret handwritten and printed texts not originally designed for source data entry. a. Ergonomics b. Optical character recognition technology c. Radio-frequency identification d. Technology convergence

b. Optical character recognition technology

24. As an independent memory device, flash memory takes two main forms: as a memory card , and as a(n) _____. a. USB port b. USB drive c. index drive d. index port

b. USB drive

28. Even if storage cost is not as attractive as that of CDs, portability and the fact that their ports are ubiquitous in PCs might push one toward selecting a _____. a. Zip disk b. USB flash drive c. flash disk d. memory card

b. USB flash drive

18. _____ are typically used for computer-aided design (CAD), computer-aided manufacturing (CAM), complex simulation, graphical rendering, and scientific applications. a. Servers b. Workstations c. Mainframe computers d. Supercomputers

b. Workstations

32. The _____ is the most important part of any computer. a. external storage b. central processing unit c. monitor d. ROM

b. central processing unit

17. Current microcomputers have words of _____ and 64 bits. a. 16 b. 24 c. 32 d. 48

c. 32

23. The ____ is the maximum number of bits that the control unit can fetch from primary memory in one machine cycle. a. pixel b. byte c. data word d. binary limit

c. data word

37. The electronic lines or traces used for communication inside a computer is called the _____.

BUS

39. _____ contain multiple processors that let them perform parallel processing and run at great speeds.

Erganonomic

42. _____ receive signals from outside the computer and transfer them into the computer.

Input Devices

46. The most common type of flat-panel monitor is the ________.

LCD

38. Processing more than one program, or processing several parts of a program, at the same time is often called _____, whereby each process is a thread.

Multithreading

15. _____ is located near the CPU and stores data and instructions just before and immediately after the CPU processes them. a. External memory b. Closed memory c. Open memory d. Internal memory

d. Internal memory

29. The _____ keyboard was originally designed to slow down typing, because early mechanical typewriters jammed when users typed too fast. a. Dvorak b. Ergonomic c. AZERTY d. QWERTY

d. QWERTY

27. A _____ is an independent memory device and is also known as a thumb drive. a. hard drive b. memory card c. circuitry card d. USB drive

d. USB drive

22. Although _____ systems vary in sophistication, all receive voice input from a microphone or telephone and process it with software. a. solid-state storage b. sequential storage c. parallel processing d. speech recognition

d. speech recognition

36. A(n) _____ is an alternative to magnetic disks.

SSD

43. _____ can be rewritten and hold its content without electric power.

SSD (solid state storage)___

11. New processor-making technologies let engineers increase the processing speed of computers while enabling computers to use less energy and give off less heat. a. True b. False

a. True

7. Businesses that handle business transactions and store large amounts of data in a central computer often use mainframes, which some IT professionals fondly call "big iron." a. True b. False

a. True

20. The most common computer-related type of repetitive-stress injury is _____. a. carpal tunnel syndrome b. headache c. upper-body discomfort d. double vision

a. carpal tunnel syndrome

19. The two units in the CPU are the arithmetic logic unit and the _____. a. control unit b. storage unit c. source unit d. mainframe unit

a. control unit

35. The CPU and primary memory are usually plugged into a circuit board in the computer case called the _____. a. motherboard b. monitor c. control unit d. multicore processor

a. motherboard

3. Popular output devices include the keyboard, mouse, trackball, microphone, and various types of scanners. a. True b. False

b. False= that is Input devices

31. _____ are used as a shared resource, connecting hundreds of users to a variety of computers from desktops, laptops, and other servers. a. Microcomputers b. Servers c. Workstations d. Personal digital assistants

b. Servers

33. Images on a monitor are made up of small dots called _____. a. dots b. pixels c. granules d. grains

b. pixels

16. A _____ is a socket used to connect a computer to external devices. a. stylus b. port c. trackpad d. bus

b. port

25. In the context of speed, the _____ of magnetic hard disks is still significantly better than that of CDs and their faster relatives, DVDs. a. durability b. transfer rate c. reliability d. portability

b. transfer rate

30. _____ are the most powerful computers at any given time, but are built especially for assignments that require arithmetic speed. a. Mainframe computers b. Mega-servers c. Supercomputers d. Workstations

c. Supercomputers

26. Since _____ reduces the amount of paper in organizations, some of its most enthusiastic adopters are companies in paper-intensive fields such as law, retail, insurance, and banking. a. processing b. multithreading c. imaging d. printing

c. imaging

14. Two qualities to check when purchasing a laser or ink-jet printer are speed, measured in _____, and density, measured in dots per inch (DPI). a. characters per second (cps) b. words per minute (wpm) c. pages per minute (PPM) d. Kbytes per second (Kbps)

c. pages per minute (PPM)

12. The four functions performed by the CPU in every cycle are fetch, decode, execute, and _____. a. encode b. run c. encrypt d. store

d. store