WGU C952 Computer Architecture Actual preparation test exam with Thorough and Correct Answers Updated 2024/2025
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WGU C952 Computer Architecture
Institution
WGU C952 Computer Architecture
WGU C952 Computer Architecture Actual preparation test exam with Thorough and Correct Answers Updated 2024/2025
Least significant bit - correct answer the rightmost bit in a legv8 doubleword.
Most significant bit - correct answer the leftmost bit in a legv8 doubleword.
Two's complement - c...
WGU C952 Computer Architecture Actual preparation
test exam with Thorough and Correct Answers
Updated 2024/2025
Least significant bit - correct answer the rightmost bit in a legv8 doubleword.
Most significant bit - correct answer the leftmost bit in a legv8 doubleword.
Two's complement - correct answer a signed number representation where a leading 0
indicates a positive number and a leading 1 indicates a negative number. The
complement of a value is obtained by complementing each bit (0 → 1 or 1 → 0), and
then adding one to the result (explained further below).
Overflow - correct answer error that results when the number of bits is not enough to
hold the number, like a car's odometer "rolling over"
First 2 steps in a legv8 instruction - correct answer 1. Retrieve the operation from
memory
2. Read the required registers
Conditional element - correct answer an operational element, such as an and gate or
an alu.
Elements that operate on data values are all combinational, which means that their
outputs depend only on the current inputs. Given the same input, a combinational
element always produces the same output
State elements - correct answer a memory element, such as a register or a memory.
Contains state and has internal storage
Clocking methodology - correct answer the approach used to determine when data is
valid and stable relative to the clock.
, Edge-triggered clocking - correct answer a clocking scheme in which all state changes
occur on a clock edge
Program counter (pc) - correct answer the register that contains the address of the
next instruction to be executed
Register file - correct answer a state element that consists of a set of registers that can
be read and written by supplying a register number to be accessed.
Pipelining - correct answer an implementation technique in which multiple instructions
are overlapped in execution, much like an assembly line.
How long would ___ take, using pipeline approach? - correct answer (length of longest
stage) * number of steps + time to complete full stage
Pipeline hazard - correct answer situation in pipelining when the next instruction
cannot execute in the following clock cycle
Structural hazard - correct answer when a planned instruction cannot execute in the
proper clock cycle because the hardware does not support the combination of
instructions that are set to execute
Data hazard - correct answer also called a pipeline data hazard. When a planned
instruction cannot execute in the proper clock cycle because data that is needed to
execute the instruction are not yet available
Forwarding (bypassing) - correct answer a method of resolving a data hazard by
retrieving the missing data element from internal buffers rather than waiting for it to
arrive from programmer-visible registers or memory
5 steps of legv8 instructions - correct answer 1. Fetch instruction from memory.
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