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WGU C952 Computer Architecture
Objective Assessment Exam 2023
1.What is the binary representation of instructions?: machine language
2.Which key design element changed in 2005 to drive continued
improve- ments in computing capability?: Multiprocessor architecture
3.Which term refers to the same instruction applied to multiple
data streams?: SIMD
- What makes vector-based code more efficient than conventional code?:-
frequency of pipeline hazards is lower
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5.Which two elements are required to implement R-format arithmetic
logic unit (ALU) operations?: ALU and register file
- Given the following 8-bit integer binary variables:
X1 = 11000110
X2 = 11110111
What is the value in X3 after the following
command? ADD X3, X2, X1: overflow
7.What does extending to 16 bits yield given -5 in 8-bit 2’s
complement 11111011?: 11111111 11111011 - How many minutes does it take to wash, dry, and fold four loads of
laundry using a pipelining approach, given the following information?
One washer takes 30 minutes
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WGU C952 Computer Architecture Pre-Assessment 2023
- Which access does a register file rely on to properly function?
a) Read and write access
b) Write only access
c) Read only access
d) No access ANS: A - What is the binary representation of instructions?
a) Machine language
b) Assembly language
c) Operating system
d) Systems software ANS: A - Which feature of the IBM 360/91 was incorporated into the majority
of microprocessors developed in the 21st century?
a) Branch prediction allowed the processor to proceed with the next
instruc- tion.
b) Algorithm innovations allowed the improved parallel execution of
instruc- tions.
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c) Pipeline innovations allowed for reservation stations and the commit
unit.
d) Pipeline innovations allowed for dynamically scheduled pipelined
proces- sors. ANS: B
- Which key design element changed in 2005 to drive continued
improve- ments in computing capability?
a) Multiprocessor architecture
b) Transistor architecture
c) DRAM technology
d) Frame buffering ANS: A - Which term refers to the same instruction applied to multiple
data streams?
a) SIMD
b) MIMD
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c) SPMD
d) SISD ANS: A
- What makes vector-based code more efficient than conventional code?
a) Usage of LEGv8 architecture code
b) Usage of Multimedia extensions (MMX)
c) Frequency of pipeline hazards is higher
d) Frequency of pipeline hazards is lower ANS: D - Which two elements are required to implement R-format arithmetic
logic unit (ALU) operations?
a) ALU and register file
b) ALU and GPU
c) GPU and register file
d) Datapath and COD ANS: A - Which component of a computer moderates the action of its other
compo- nents?
a) Control
b) Datapath
c) Memory
d) Output ANS: A - Given the following 8-bit integer binary variables:
X1 = 11000110