C952 PA 2. Computer architecture, Exam Questions and answers, rated A+

C952 PA 2. Computer architecture, Exam Questions and answers, rated A+ What is the binary representation of instructions? - -machine language 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-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 Given the following 8-bit integer binary variables: X1 = X2 = What is the value in X3 after the following command? ADD X3, X2, X1 - -overflow What does extending to 16 bits yield given -5 in 8-bit 2's complement ? - - 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 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