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MIS Chap 3

chapter 3

QuestionsAnswers
1. Computer system ____ components include devices that perform input, processing, data storage, and output software hardware equipment circuitry hardware
2. The ____ is the portion of the CPU that performs mathematical calculations and makes logical comparisons. control unit ALU register primary storage ALU
3. A(n) ____ is a high-speed storage area in the CPU used to temporarily hold small units of program instructions and data immediately before, during, and after execution by the CPU. register control unit ALU primary storage register
4. The ____ is the part of the CPU that sequentially accesses program instructions, decodes them, coordinates flow of data in and out of the ALU, ...secondary storage and various output devices. ALU register control unit primary storage control unit
5. ____ is also referred to as main memory or just memory. CPU. control unit ALU Register Primary storage Primary storage
6. ____ is a form of CPU operation in which there are multiple execution phases in a single machine cycle. Pipelining machine cycle. (See p. 91) Multiplexing Multipiping Parallel processing Pipelining
7. ____ refers to a series of electronic pulses produced at a predetermined rate that affects machine cycle time. Microcode Clock speed MIPS Hertz Clock speed
8. Eight bits together form a ____. terabyte byte kilobyte petabyte byte
9. ____ is a form of memory in which instructions or data can be temporarily stored. Read only memory Random access memory Cache memory Compact disc read-only memory Random access memory
10. According to Moore's law, if a microprocessor chip can currently fit 1000 transistors, in four years a chip of the same size could fit ____ transistors. 1000 4000 2000 3000 4000
11. ____ are predefined, elementary circuits and logical operations that the processor performs when it executes an instruction. Microcodes Control units Electronic cycles Clock speeds Microcodes
12. ____ is a nonvolatile form of memory. RAM ROM MRAM DRAM ROM
13. ____ is a type of high-speed memory that a processor can access more rapidly than main memory to help to ease this bottleneck. Read only memory Cache memory Random access memory Compact disc read-only memory Cache memory
14. The ____ cache is on the CPU chip. L1 L2 L3 L4 L1
15. It takes ____ to ____ cycles to get data from an L2 cache on the processor chip. 1, 3 60, 120 6, 12 600, 1200 6, 12
16. A(n) ____ is a part of the computer that speeds processing by executing specific types of instructions while the CPU works on another processing activity. ALU microprocessor coprocessor RISC chip coprocessor
17. A ____ combines two or more independent processors into a single computer so that they can share the workload and boost processing capacity. multicore microprocessor microprocessor coprocessor singlecore microprocessor multicore microprocessor
18. ____ that have a low clock speed and a shared cache can also reduce the heat generated by the computer without reducing its processing power. Microprocessors Coprocessors Multicore microprocessors Singlecore microprocessors Multicore microprocessors
19. A ____ is a specialized processor that offloads the tasks associated with 3D graphics rendering from the CPU. microprocessor coprocessor thin client graphics processing unit graphics processing unit
21. ____ is the use of a collection of computers, to work in a coordinated manner to solve a common problem. Symmetrical multiprocessing Massively parallel processing Grid computing Simultaneous processing Grid Computing
22. ____ is a retrieval method in which data can be retrieved without the need to read and discard other data. Direct access Sequential access Parallel access Concurrent access Direct access
23. ____ is a storage device that manages less frequently needed data so that it appears to be stored entirely on tape cartridges. Magnetic tape Virtual tape Magnetic disks Digital versatile disk Virtual Tape
24. A ____ is a direct-access storage device, with bits represented by magnetized areas, with bits represented by magnetized areas. virtual tape magnetic disk DVD CD-ROM Magnetic Disk
25. A(n)____ is a special-purpose, high-speed network that provides direct connections between data-storage devices and computers across the enterprise storage area network RAID NAS ASU storage area network
26. ____ is a process by which human-readable data is converted into a machine-readable form. Data input Data entry Source data automation Data output Data Entry
27. ____ refers to capturing and editing data where the data is initially created and in a form that can be directly input to a computer, thus ensuring accuracy and timeliness. Data input Source data automation Data entry Data output Source Data automation
28. A keyboard and a computer mouse are examples of ____. terminals voice-recognition devices personal computer input devices scanning devices Personal Computer input devices
29. ____ are simply input and display devices that have no processing capability of their own. Optical data readers Terminals Scanning devices Personal computer input devices Terminals
30. A(n) ____ device is a terminal used in retail operations to enter sales information into the computer system. ATM POS MICR OCR POS
31. ____ technology employs a microchip with an antenna that broadcasts its unique identifier and location to receivers. RFID POS LCD MCIR RFID
32. The distance between one pixel on the screen and the next nearest pixel is known as ____ pitch. pixel dot display screen dot
33. A(n) ____ is a flat display that uses liquid crystals to form characters and graphic images on a backlit screen. OLED display LCD display plasma display CRT display LCD display
34. The speed of a printer is typically measured in ____. dpi ppi ppm dpp ppm
35. ____ are a type of hard-copy output device used for general design work. Plotters Printers Scanners Planners Plotters
36. ____ is a popular format for compressing a sound sequence into a very small file while preserving the original level of sound quality when it is played. Real Audio MP3 Windows Media Apple iPod Touch MP3
37. ____ computers are used for limited applications by military and scientific research groups. Special-purpose General-purpose Handheld Portable Special-purpose
38. A ____ computer is a low-cost, centrally managed computer with essential but limited capabilities that is devoid of a DVD player, diskette drive, and expansion slots. desktop thin client handheld workstation thin client
39. ____ are the most powerful computer systems with the fastest processing speeds. Servers Mainframes Workstations Supercomputers Supercomputers
40. A ___ is a large, powerful computer shared by dozens or even hundreds of concurrent users connected to the machine over a network. supercomputer mainframe computer workstation mainframe mainframe computer
41. A ___ houses many computer motherboards that include one or more processors, computer memory, computer storage, and computer network connections. mainframe server workstation blade server supercomputer blade server
42. A ___ is a computer used by many users to perform a specific task, such as running network or Internet applications. server database work station host server
43. ____ storage management refers to automation of storage using previously defined policies. Automated Policy-based Need-based Software-based Policy-based
44. ____ is the process of storing data that provides an exact copy that protects users fully in the event of data loss. Stripping RAID Saving Disk mirroring Disk mirroring
45. A(n) ____ uses special lasers to read and write data. virtual tape optical storage device compact disk digital video disk optical storage device
46. A common optical storage device is the ____ with a storage capacity of 740 MB of data. compact disc read-only memory digital video disk virtual tape magnetic disk virtual tape
47. A ____ looks like a CD but can store about 135 minutes of digital video or several gigabytes of data. compact disc read-only memory digital video disk optical disk virtual disk digital video disk
48. ____ is concerned with the efficient/ environmentally responsible design,...disposal of IS-related products, including computers, printers,... toner. Green computing Parallel computing Pipelining Disk mirroring Green computing
49. A(n) ____ coordinates the communication between the CPU and other components of the computer. register ALU chip set control unit chip set
50. ____ is the time it takes to execute an instruction and store the results. Instruction time Execution time Machine time Cycle time Execution time
Created by: zaltman
 

 



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