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WGU C952 - Computer Architecture Actual Final Pretest and Post test Exam Questions and Best Graded Guaranteed success latest 2024/2025
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WGU C952 - Computer Architecture Actual Final Pretest and Post test Exam Questions and Best Graded Guaranteed success latest 2024/2025 Assembler - correct answer A program that translate a symbolic version of instructions into the binary version. Assembly language - correct answer A symbolic re...

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  • January 8, 2025
  • 36
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • machine language correct answer a binary represe
  • assembly language correct answer a symbolic repr
  • assembler correct answer a program that translat

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WGU C952 - Computer Architecture Actual Final Pretest and
Post test Exam Questions and Best Graded Guaranteed
success latest 2024/2025
Assembler - correct answer A program that translate a symbolic version of instructions
into the binary version.


Assembly language - correct answer A symbolic representation of machine
instructions.


Machine language - correct answer A binary representation of machine instructions.


High-level programming language - correct answer A portable language such as C, C+
+, Java, or Visual Basic that is composed of words and algebraic notation that can be
translated by a compiler into assembly language.


Input device - correct answer A mechanism through which the computer is fed
information, such as a keyboard.


Output device - correct answer A mechanism that conveys the result of a computation
to a user, such as a display, or to another computer.


The Big Picture - correct answer The five classic components of a computer are input,
output, memory, datapath, and control, with the last two sometimes combined and
called the processor. This organization is independent of hardware technology: you can
place every piece of every computer, past and present, into one of these five categories.


Liquid crystal display - correct answer A display technology using a thin layer of liquid
polymers that can be used to transmit or block light according to whether a charge is
applied.


Active matrix display - correct answer A liquid crystal display using a transistor to
control the transmission of light at each individual pixel.

,Bit map - correct answer The image is composed of a matrix of picture elements, or
pixels, which can be represented as a matrix of bits, called a bit map.


Pixel - correct answer The smallest individual picture element. Screens are composed
of hundreds of thousands to millions of pixels, organized in a matrix.


Integrated circuit - correct answer Also called a chip. A device combining dozens to
millions of transistors.


Central processor unit (CPU) - correct answer Also called processor. The active part of
the computer, which contains the datapath and control and which adds numbers, tests
numbers, signals I/O devices to activate, and so on.


Datapath - correct answer The component of the processor that performs arithmetic
operations.


Control - correct answer The component of the processor that commands the
datapath, memory, and I/O devices according to the instructions of the program.


Memory - correct answer The storage area in which programs are kept when they are
running and that contains the data needed by the running programs.


Dynamic random access memory (DRAM) - correct answer Memory built as an
integrated circuit; it provides random access to any location. Access times are 50
nanoseconds and cost per gigabyte in 2012 was $5 to $10.


Cache memory - correct answer A small, fast memory that acts as a buffer for slower,
larger memory.


Static random access memory (SRAM) - correct answer Also memory built as an
integrated circuit, but faster and less dense than DRAM.

,Instruction set architecture - correct answer Also called architecture. An abstract
interface between the hardware and the lowest-level software that encompasses all the
information necessary to write a machine language program that will run correctly,
including instructions, register, memory access, I/O, and so on.


Application binary interface (ABI) - correct answer The user portion of the instruction
set plus the operating system interfaces used by the application programmers. It defines
a standard for binary portability across computers.


Implementation - correct answer Hardware that obeys the architecture abstraction.


The Big Picture - correct answer Both hardware and software consist of hierarchical
layers using abstraction, with each lower layer hiding details from the level above. One
key interface between the levels of abstraction is the instruction set architecture—the
interface between the hardware and low-level software. This abstract interface enables
many implementations of varying cost and performance to run identical software.


Volatile memory - correct answer Storage, such as DRAM, that retains data only if it is
receiving power.


Nonvolatile memory - correct answer A form of memory that retains data even in the
absence of a power source and that is used to store programs between runs. A DVD
disk is nonvolatile.


Main memory - correct answer Also called primary memory. Memory used to hold
programs while they are running; typically consists of DRAM in today's computers.


Secondary memory - correct answer Nonvolatile memory used to store programs and
data between runs; typically consists of flash memory in PMDs and magnetic disks in
servers.


Magnetic disk - correct answer Also called hard disk. A form of nonvolatile secondary
memory composed of rotating platters coated with a magnetic recording material.

, Because they are rotating mechanical devices, access times are about 5 to 20
milliseconds and cost per gigabyte in 2012 was $0.05 to $0.10.


Flash memory - correct answer A nonvolatile semiconductor memory. It is cheaper and
slower than DRAM but more expensive per bit and faster than magnetic disks. Access
times are about 5 to 50 microseconds and cost per gigabyte in 2012 was $0.75 to
$1.00.


Local area network (LAN) - correct answer A network designed to carry data within a
geographically confined area, typically within a single building.


Wide area network (WAN) - correct answer A network extended over hundreds of
kilometers that can span a continent.


Transistor - correct answer An on/off switch controlled by an electric signal.


Very large-scale integrated (VLSI) circuit - correct answer A device containing
hundreds of thousands to millions of transistors.


Silicon - correct answer A natural element that is a semiconductor.


Semiconductor - correct answer A substance that does not conduct electricity well.


Silicon crystal ingot - correct answer A rod composed of a silicon crystal that is
between 8 and 12 inches in diameter and about 12 to 24 inches long.


Wafer - correct answer A slice from a silicon ingot no more than 0.1 inches thick, used
to create chips.


Defect - correct answer A microscopic flaw in a wafer or in patterning steps that can
result in the failure of the die containing that defect.

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