test Flashcards
Which access does a register file rely on to properly function?
Read and write access
What is the binary representation of instructions?
Machine language
Which feature of the IBM 360/91 was incorporated into the majority of microprocessors developed in the 21st century?
Algorithm innovations allowed the improved parallel execution of instructions.
Which key design element changed in 2005 to drive continued improvements in computing capability?
Multiprocessor architecture
Which term refers to the same instruction applied to multiple data streams?
SIMD Single Instruction/Multiple Data
What makes vector-based code more efficient than conventional code?
Frequency of pipeline hazards is lower
Which two elements are required to implement R-format arithmetic logic unit (ALU) operations?
ALU and register file
Which component of a computer moderates the action of its other components?
Control
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
What is the approximate range of a 64-bit unsigned integer?
−9,223,372,036,854,775,808 to 9,223,372,036,854,775,807
How is the integer 255 represented in memory?
0000 0000 0000 0000 0000 0000 1111 1111
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
One dryer takes 40 minutes
One folder takes 20 minutes
210
he manufacturing process for producing a widget has five steps and each step in the process takes one day.
What is the average number of days needed to manufacture each widget using a pipelined process to produce 10 widgets?
1.4
Which locality principle states that if a data location is referenced then it will tend to be referenced again soon?
Temporal