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WGU C952 Computer Architecture Pre-Assessment Exam Questions and Answers (Verified by Expert)
- 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-
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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 2 / 3
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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
9. Given the following 8-bit integer binary variables:
X1 = 11000110
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