If you want to clear a single file, you will use clear (CLR) instruction. Thus, for this question option A '<em>none of the choices</em>' is the correct answer.
The 'clear' instruction is used to clear the value within the file or word to zero. When the input of clear instruction is true, the value within the destination file will be set to zero.
<u><em>However, the function of each </em></u><u><em>move </em></u><u><em>instruction is briefly described below:</em></u>
- file-to-word move: A file-to-word move instruction transfers data from a file into a word.
- file-to-file move: A file-to-file move instruction allows for data to move from one file to another file.
- word-to-file move: A word-to-file move instruction enables the transferring of information from the word to go to the last unused word of the file.
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Answer:
3.1 ns ; 1.25 ; 3.097
Explanation:
Given :
IF, 3 ns;
ID, 2.5 ns;
EX, 2 ns;
MEM, 3 ns;
WB, 1.5 ns.
Use 0.1 ns for the pipelineregisterdelay
maximum time required for MEM = 3 ns
Pipeline register delay = 0.1 ns.
Clock cycled time of the pipelined machine= maximum time required + delay
3ns+0.1 ns = 3.1 ns
2.) for stall after every 4 instruction :
CPI of new machine :
(1 + (1 /4)) = 1 + 0.25 = 1.25
3.)
The speedup of pipelined machine over the single-cycle machine is given by :
Average time per instruction of single cycle ÷ average time per instruction of pipelined
Clock time of original machine = 12ns
Ideal CP1 = 1
CPI of new machine = 1.25
Clock period = 3.1 ns
(12 * 1) / (1.25 * 3.1) = 12 / 3.875
= 3.097
D. Speed up will equal the number of stages in the machine
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Answer:
GIGO is a computer science acronym that implies bad input will result in bad output. Good programming practice dictates that functions should check for valid input before processing it. ... A well-written program will avoid producing garbage by not accepting it in the first place.
Explanation:
