Q1. The ____ discipline includes activities that verify correct functioning of i
ID: 3666905 • Letter: Q
Question
Q1. The ____ discipline includes activities that verify correct functioning of infrastructure and application software components and ensure that they satisfy system requirements.
a. architecture
b. design
c. testing
d. implementation
Q2. End users use ____ to perform specific tasks, such as processing customer orders or developing and formatting documents and financial analyses.
a. middleware
b. application software
c. system software
d. design software
Q3. The database administrator can be responsible for many tasks other than operating and maintaining the network, including installing and maintaining end-user software and assisting management in selecting and acquiring software and hardware.
a. true
b. false
Q4. ____ design activities are narrower in scope and constrained by the information architecture compared to the remaining design activities.
a. Reference
b. Architectural
c. Detailed
d. Functional
Q5. Managers of _____ collections of information systems and supporting infrastructure must contend with a great deal of technical complexity.
a. connected
b. complex
c. integrated
d. dynamic
Q6. Quantum physics describes subatomic behavior with ____.
a. physical rules
b. mathematical rules
c. physical laws
d. a combination of physical rules and mathematical laws
Q7. The ____ software layer has utility programs used by system management and application programs to perform common functions
a. system management
b. system services
c. machine independent
d. machine dependent
Q8. The 80386 provided hardware support for running multiple programs simultaneously, simplified partitioning primary storage among programs, and provided mechanisms for preventing programs from interfering with one another.
a. true
b. false
Q9. ____ physics describes the behavior of matter at a subatomic level.
a. Einsteinian
b. Newtonian
c. Relativity
d. Quantum
Q10. One computer can use the CPU or storage but not the I/O devices of another.
a. true
b. false
Q11. System software has the intelligence needed to make and respond to external resource requests, and most operating systems include support for both functions.
a. true
b. false
Q12. ____ are typically implemented by installing software on each machine that accepts tasks from a central server and performs them when not busy doing other work.
a. Grids
b. Clouds
c. Clusters
d. Blades
Q13. ____ is a character-coding method developed by IBM in the 1960s and used in all IBM mainframes well into the 2000s.
a. ANSI
b. UNICODE
c. EBCDIC
d. ASCII
Q14. In a ____, each digit can have only one of two possible values: 0 or 1.
a. decimal number
b. hexadecimal number
c. binary number
d. unary number
Q15. Whether implemented in system or application software, almost all data structures make extensive use of pointers and addresses.
a. true
b. false
Q16. A(n) ____ is a data structure that uses pointers so that list elements can be scattered among nonsequential storage locations.
a. array
b. queue
c. linked list
d. stack
Q17. The number of bits in a floating-point string and the formats of the mantissa and exponent impose limits on the range of values that can be represented.
a. true
b. false
Q18. In numbering systems other than the decimal numbering system, the term radix point is used for the period or comma.
a. true
b. false
Q19. Before Unicode, devices designed for character I/O used ASCII by default and vendor-specific methods or older ISO standards to process character sets other than Latin-1.
a. true
b. false
Q20. Transistors and the tracks that interconnect them are the fundamental building blocks of all CPUs.
a. true
b. false
Q21. ____ is the flow of electrons from one place or device to another.
a. Electrical voltage
b. Electrical current
c. Electrical resistance
d. Electrical conduction
Q22. A ____ performs specific tasks that can be counted or measured.
a. benchmark program
b. metric program
c. compiler
d. system program
Q23. Traditional bus interfaces are too slow and power hungry to provide sufficient data transfer capacity between many processors or between processors and primary storage.
a. true
b. false
Q24. ____ are used only by the currently executing program.
a. Reserved registers
b. Kernel registers
c. Instruction registers
d. General-purpose registers
Q25. A CPU is a complex system of interconnected electrical switches.
a. true
b. false
Q26. Integrated circuits reduced manufacturing cost per circuit because many chips could be manufactured in a single sheet, or wafer.
a. true
b. false
Q27. Magnetic tape and disk are considered volatile storage media.
a. true
b. false
Q28. Magnetic disk drives have an advantage over SSDs in power consumption.
a. true
b. false
Q29. SSDs are much more tolerant to shock and other negative environmental factors commonly encountered with portable devices, such as multifunction cell phones, netbooks, and laptop computers.
a. true
b. false
Q30. Read/write circuitry uses ____ data to compensate for minor variations in rotation speed and other factors that might disturb the precise timing needed for reliable reading and writing.
a. quantization
b. aggregation
c. synchronization
d. averaging
Q31. A ____ is a storage device that mimics the behavior of a magnetic disk drive but uses flash RAM or other NVM devices as the storage medium and read/write mechanism.
a. traditional hard drive
b. hybrid hard drive
c. solid-state drive
d. memory drive
Q32. ____ is the sum of average access delay and the time required to read a single sector.
a. Average access time
b. Rotational latency
c. Track-to-track seek time
d. Synchronization delay
Q33. To increase capacity per platter, disk manufacturers divide tracks into two or more zones and vary the sectors per track in each zone.
a. true
b. false
Q34. ____ is the time required to read the second of two adjacent sectors on the same track and platter.
a. Track-to-track seek time
b. Rotational delay
c. Sequential access time
d. Average access time
Q35. The main goal of buffering and caching is to ____.
a. control data channels
b. improve I/O performance
c. improve overall system performance
d. reduce system load
Q36. There are typically multiple storage and I/O devices connected to a computer, collectively referred to as ____.
a. core devices
b. peripheral devices
c. perimeter devices
d. companion devices
Q37. As buffer size increases above ____ bytes, CPU cycle consumption decreases at a linear rate.
a. 4
b. 8
c. 12
d. 16
Q38. When the CPU is the focus of all computer activity, all other devices are ____.
a. bus masters
b. bus primates
c. bus limiters
d. bus slaves
Q39. Using data compression alters the balance of processor resources and communication or storage resources in a computer system.
a. true
b. false
Q40. A ____ is a reserved area of main memory accessed on a last-in, first-out (LIFO) basis.
a. stack
b. queue
c. chain
d. heap
Q41. Devices attached to a system bus coordinate their activities with a common ____.
a. bus clock
b. control bus
c. data bus
d. system bus
Q42. Devices with low data transfer demand can use a single lane, and devices with higher requirements can increase their available data transfer rate by using additional lanes.
a. true
b. false
Q43. OLED displays combine many of the best features of LCD and plasma displays.
a. true
b. false
Q44. Continuous speech is a series of nonstop interconnected phonemes.
a. true
b. false
Q45. Typically, digital cameras capture 20 to 24 fps.
a. true
b. false
Q46. Since the early 1990s, active matrix displays have been manufactured with ____ technology.
a. thin film transistor
b. liquid crystal display
c. light emitting diode
d. thin film transmission
Q47. In graphics, a ____ is a line segment with a specific angle and length in relation to a point of origin.
a. course
b. vector
c. path
d. route
Q48. Early plasma displays accepted the same analog video signals as CRTs.
a. true
b. false
Q49. A(n) ____ printer moves a print head containing a matrix of pins over the paper.
a. laser
b. dot matrix
c. inkjet
d. dye sublimation
Q50. The ____ of a display is the number of pixels displayed per linear measurement unit.
a. resolution
b. refinement
c. accuracy
d. pitch
Explanation / Answer
1)testing
2)application software
3)false
4)detailed
5)integrated
6)physical laws
7)system services
8)true
9)quantum
10)true
11)true
12)grids
13)EBCDIC
14)binary number
15)true
16)linked list
17)true
18)true
20)false
21)electronic current
22)bench mark
23)true
24)general purpose registers
25)true
26)true
27)false
28)true
29)true
30)synchornization
31)solid state drive
32)average access time
33)true
34)sequential access time
35)improve i/o performance
36)peripheral
37)8
39)true
40)stack
41)bus clock
42)true
43)true
44)false
45)true
47)vector
48)false
49)dot matrix
50)resolution
as there are many number of quetions sp there is no time to explain the answer
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