ITE 221 Chapters 1-5 review Questions and Answers 2024
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Course
ITE 221
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ITE 221
ITE 221 Chapters 1-5 review Questions and Answers 2024
Some commercial computers have used quantum physics to perform data storage and computation ** Answ** TRUE
The Difference Engine computed logarithms by moving gears and other mechanical components. ** Answ** TRUE
A machine capable of adding whole numbers can multiply whole numbers by executing the
addition function multiple times. ** Answ** TRUE
The biggest impetus for the change to electronic computing devices came during World War I.
** Answ** FALSE
Electronic computers addressed most shortcomings of mechanical computation ** Answ**
TRUE
Light can be used as a basis for computation. ** Answ** TRUE
Optics have little advantage over electronics in most areas of computing technology. **
Answ** FALSE
Optical processors might be easier to fabricate than current processors and are better matched to
optical communication technologies. ** Answ** TRUE
,In classical physics, a subatomic particle, such as a photon, can be in multiple places at one time
** Answ** FALSE
All computers are automated computing devices, and all automated computing devices are
computers. ** Answ** FALSE
A typical computer system must have much more secondary storage capacity than primary
storage capacity ** Answ** TRUE
A tablet computer is a laptop computer that emphasizes small size, reduced weight, low cost, and
wireless networking and is capable of performing only light-duty tasks, such as Web browsing,
e-mailing, and word processing. ** Answ** FALSE
Server hardware capabilities depend on the resources being shared and the number of
simultaneous users. ** Answ** TRUE
The World Wide Web is sometimes called a network of networks because it interconnects
millions of other networks. ** Answ** FALSE
A URL identifies one specific WWW resource. ** Answ** TRUE
The primary role of software is to translate users' needs and requests into CPU instructions that,
when executed, produce a result that satisfies the need or request. ** Answ** TRUE
The need or idea that motivates a request for computer processing is stated at a specific level.
** Answ** FALSE
Windows OSs tend toward an all-inclusive approach to system software, bundling most system
software functions in the OS. ** Answ** TRUE
An end-user accesses a Web-based application via a URL. ** Answ** TRUE
,. The evolution of Microsoft OSs is a good example of how software development depends on
hardware technology ** Answ** TRUE
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. ** Answ** TRUE
A simple definition of a computer is a device that can accept numeric inputs, perform
computational functions, and ____.
a. communicate results
b. solve formulas
c. store data on disk or flash RAM
d. detect quantum storage states ** Answ** a. communicate results
Early mechanical computation devices were built to perform ____.
a. text processing
b. mathematical simulation
c. repetitive mathematical calculations
d. repetitive text operations ** Answ** c. repetitive mathematical calculations
Optical computation harnesses the energy of moving ____ to perform computational work.
a. muons
b. photons
c. electrons
d. positrons ** Answ** b. photons
A particle of light is called a ____.
a. muon
b. photon
, c. quantum
d. meson ** Answ** b. photon
Optical light pulses can be stored indirectly, such as ____.
a. on the surface of a DVD
b. on the surface of a magnetic disk
c. in the blocks of flash memory
d. the groves of a record ** Answ** a. on the surface of a DVD
____ signals can carry more data than electrical signals.
a. Mechanical
b. Digital
c. Optical
d. Quantum ** Answ** c. Optical
____ physics describes the behavior of matter at a subatomic level.
a. Einsteinian
b. Newtonian
c. Relativity
d. Quantum ** Answ** d. Quantum
Quantum physics describes subatomic behavior with ____.
a. physical rules
b. mathematical rules
c. physical laws
d. a combination of physical rules and mathematical laws ** Answ** d. a combination of
physical rules and mathematical laws
In a modern digital computer, data is represented by groups of ____.
a. qubits
b. photons
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