WGU C952Computer architecture Home Study Thorough Review and Complete Answers Ace your first Attempt Updated 2024/2025
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WGU C952 Computer Architecture
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WGU C952 Computer Architecture
WGU C952Computer architecture Home Study Thorough Review and Complete Answers Ace your first Attempt Updated 2024/2025
Cpu execution time - correct answer also called cpu time. The actual time the cpu spends computing for a specific task.
User cpu time: - correct answer the cpu time spent in ...
WGU C952Computer architecture Home Study Thorough
Review and Complete Answers Ace your first Attempt
Updated 2024/2025
Cpu execution time - correct answer also called cpu time. The actual time the cpu
spends computing for a specific task.
User cpu time: - correct answer the cpu time spent in a program itself.
System cpu time: - correct answer the cpu time spent in the operating system
performing tasks on behalf of the program.
System performance (cpu performance) - correct answer refers to elapsed time on an
unloaded ______________ to refer to user cpu time.
Clock rate - correct answer is the inverse of the clock period (clock cycle).
Clock cycle - correct answer also called tick, clock tick, clock period, clock, or cycle.
The time for one clock period, usually of the processor clock, which runs at a constant
rate.
Clock period - correct answer the length of each clock cycle.
Clock cycles per instruction (cpi): - correct answer average number of clock cycles per
instruction for a program or program fragment.
Instruction count: - correct answer the number of instructions executed by the
program.
Instruction mix: - correct answer a measure of the dynamic frequency of instructions
across one or many programs.
,(ipc)
Instructions per clock cycle - correct answer some designers invert cpi to talk about
ipc, or instructions per clock cycle. If a processor executes on average two instructions
per clock cycle, then it has an ipc of 2 and hence a cpi of 0.5.
Instruction set - correct answer the vocabulary of commands understood by a given
architecture.
Stored-program concept: - correct answer the idea that instructions and data of many
types can be stored in memory as numbers and thus be easy to change, leading to the
stored-program computer.
Comments - correct answer the words to the right of the double slashes (//) on each
line are comments for the human reader, so the computer ignores them.
Word: - correct answer a natural unit of access in a computer, usually a group of 32
bits.
Doubleword: - correct answer another natural unit of access in a computer, usually a
group of 64 bits; corresponds to the size of a register in the legv8 architecture.
Data transfer instruction: - correct answer a command that moves data between
memory and registers.
Address : - correct answer a value used to delineate the location of a specific data
element within a memory array.
Load - correct answer the data transfer instruction that copies data from memory to a
register is traditionally called ___________
Base address - correct answer is the starting address of an array in memory.
, Base register - correct answer is a register that holds an array's base address.
Offset - correct answer is a constant value added to a base address to locate a
particular array element.
Spilling registers - correct answer the process of putting less frequently used variables
(or those needed later) into memory is called ________
Binary digit - correct answer also called binary bit. One of the two numbers in base 2, 0
or 1, that are the components of information.
Least significant bit - correct answer the rightmost bit in an legv8 doubleword.
Most significant bit - correct answer the leftmost bit in an legv8 doubleword..
Overflow - correct answer if the number that is the proper result of such operations
cannot be represented by these rightmost hardware bits, _________ is said to have
occurred.
Sign and magnitude representation - correct answer is a signed number representation
where a single bit is used to represent the sign, and the remaining bits represent the the
magnitude.
Two's complement
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.
Sign extension - correct answer the function of a signed load is to copy the sign
repeatedly to fill the rest of the register, known as a ____________________.
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