WGU C952 Computer Architecture Questions and Answers Already Passed

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WGU C952 Computer Architecture Questions and Answers Already Passed What access does a register file operate under 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 What makes vector code better than conventional code? ✔✔the frequency of pipeline hazards is lower Which two elements are required to implement R format arithmetic logic unit operations? ✔✔ALU and register file Which component of a computer moderates the actions of other components? ✔✔control Overflow occurs when: ✔✔-you add two integer values with the same left most bit and end up with a different left most bit -when you subtract a value with a different leading bit than the other value, and the result is the first value's sign What is the approximate range of an unsigned 64 bit integer? ✔✔0 to 18,446,744,073,709,551,615 DRAM ✔✔memory built as an integrated circuit with 50 nanosecond access times SRAM ✔✔faster than dram and less dense than dram, it is an integrated circuit cache memory ✔✔A small, fast memory that acts as a buffer for a slower, larger memory. 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 minutes. Whole duration of one task is 90 minutes, longest part of task is 40 minutes (x 3 for other loads) + 90 = 210 The 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 What does each bank of modern DRAMS consist of? ✔✔rows What is meant by pipelining in computer architecture? ✔✔It employs an implementation technique where multiple instructions are overlapped in execution. What is superscalar as it relates to parallelization? ✔✔A technique that enables the processor to execute more than one instruction per clock cycle by selecting them during execution The value of b is stored in r1, c is stored in r2, and a is stored in r0. Which set of ARM instructions will accomplish a = b & c? ✔✔AND r0, r1, r2 Registers X1, X2, X3 have corresponding data stored in each location: X1: A X2: B X3: C Which set of ARM instructions will accomplish A=B+C? ✔✔ADD X1, X2, X3 The variables f and g are assigned to the registers X3 and X4, respectively in these ARM instructions. Loop: SUBS XZR, X3, X4 B.GE Exit LSL X3, X3, 1 B Loop Exit: What are the corresponding statements in the C language? ✔✔while (f < g) { f = f << 1; } Given this set of ARM instructions, where b

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