WGU C952 Computer Architecture Objective
Assessment Exam Questions and Answers ()
(Verified by Expert)
1). Information revolution
Ans: Computers have led to a third revolution for civilization, with the
_________________ taking its place alongside the agricultural and the industrial
revolutions.
2). Personal computer (pc)
Ans: A computer designed for use by an individual, usually incorporating a graphics
display, a keyboard, and a mouse.
3). Server
Ans: A computer used for running larger programs for multiple users, often
simultaneously, and typically accessed only via a network.
4). Supercomputer
Ans: A class of computers with the highest performance and cost; they are configured
as servers and typically cost tens to hundreds of millions of dollars.
5). Embedded computer
Ans: A computer inside another device used for running one predetermined
application or collection of software.
6). Processor cores
Ans: Many embedded processors are designed using ______________, a version of a
processor written in a hardware description language, such as Verilog or VHDL.
7). Personal mobile devices (pmds)
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, Ans: are small wireless devices to connect to the Internet; they rely on batteries for
power, and software is installed by downloading apps. Conventional examples are smart
phones and tablets.
8). Warehouse scale computers (wscs)
Ans: Taking over from the conventional server is Cloud Computing, which relies upon
giant datacenters that are now known as__________________________
9). Cloud computing
Ans: refers to large collections of servers that provide services over the Internet;
some providers rent dynamically varying numbers of servers as a utility.
10). Software as a service (saas)
Ans: delivers software and data as a service over the Internet, usually via a thin
program such as a browser that runs on local client devices, instead of binary code that
must be installed, and runs wholly on that device. Examples include web search and
social networking.
11). Multicore microprocessor:
Ans: A microprocessor containing multiple processors ("cores") in a single integrated
circuit.
12). Terabyte (tb):
Ans: Originally 1,099,511,627,776 (240) bytes, although communications and
secondary storage systems developers started using the term to mean
1,000,000,000,000 (1012) bytes.
13). Tebibyte (tib)
Ans: To reduce confusion, we now use the term _______________ for 240 bytes,
defining terabyte (TB) to mean 1012 bytes.
14). Moore's law
.
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, Ans: __________________ states that integrated circuit resources double every 18-24
months
15). Abstractions
Ans: A major productivity technique for hardware and software is to
use________________ to characterize the design at different levels of representation;
lower-level details are hidden to offer a simpler model at higher levels.
16). Common case
Ans: Making the________________ fast will tend to enhance performance better than
optimizing the rare case.
17). Parallel
Ans: Since the dawn of computing, computer architects have offered designs that get
more performance by computing operations in _______________.
18). Pipelining
Ans: A particular pattern of parallelism is so prevalent in computer architecture that it
merits its own name: _______________ , which moves multiple operations through
hardware units that each do a piece of an operation, akin to water flowing through a
pipeline.
19). Prediction
Ans: The idea of _________________ is that, in some cases it can be faster on average
to guess and start working rather than wait until you know for sure, assuming that the
mechanism to recover from a misprediction is not too expensive and your prediction is
relatively accurate.
20). Hierarchy of memories
Ans: Architects have found that they can address conflicting demands of fast, large,
and cheap memory with a hierarchy of memories, with the fastest, smallest, and most
expensive memory per bit at the top of the hierarchy and the slowest, largest, and
cheapest per bit at the bottom.
Dependable
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