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9966 [12]
4 years ago
13

Suppose that we can improve the floating point instruction performance of machine by a factor of 15 (the same floating point ins

tructions run 15 times faster on this new machine). What percent of the instructions must be floating point to achieve a Speedup of at least 4?
Computers and Technology
1 answer:
frez [133]4 years ago
4 0

Answer:

Answer to the following question is 80.36.

Explanation:

We use an Amdahl’s Law.

Let x be the percentage of a floating-point instruction.  

Since, the speedup = 4,  

if the program executed 100 cycles then, this program will runs 100/4 = 25 cycles

\frac{100}{4} = \frac{x}{15} + (100-x)

Solve  x, we get:

x = 80.36

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Also, the processor core has to be put into consideration, Daniel will need a multi - core processor in other to aid the smooth running of his racing game.

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3 years ago
: Describe the type of gameplay seen during early video games (ex. Spacewar!, Pong).
Alexeev081 [22]

Answer:

Computer scientists began building rudimentary games and simulations on mainframe computers in the 1950s and 1960s, with MIT's Spacewar! in 1962 being one of the first such games to be played with a video display. The first consumer-ready video game hardware arrived in the early 1970s, with the Magnavox Odyssey, the first home video game system, and the first arcade video games from Atari, Computer Space and Pong, the latter of which was later transformed into a home console version. Pong's success in arcades and at home prompted numerous firms to create clones of the game, resulting in a market contraction in 1978 owing to oversaturation and a lack of innovation.

8 0
3 years ago
Write a Java test program, named TestGuitar, to create 3different Guitars representing each representing a unique test case and
alina1380 [7]

Answer:

Explanation:

//Guitar.java

import java.awt.Color;

import java.lang.reflect.Field;

import java.util.Random;

public class Guitar

     /**

     * these two fields are used to generate random note and duration

     */

     static char[] validNotes = 'A', 'B', 'C', 'D', 'E', 'F', 'G' ;

     static double[] validDuration = 0.25, 0.5, 1, 2, 4 ;

     /**

     * basic guitar attributes

     */

     private int numStrings;

     private double guitarLength;

     private String guitarManufacturer;

     private Color guitarColor;

     public Guitar()

           /**

           * default constructor

           */

           numStrings = 6;

           guitarLength = 28.2;

           guitarManufacturer = Gibson;

           guitarColor = Color.RED;

     

     public Guitar(int numStrings, double guitarLength,

                 String guitarManufacturer, Color guitarColor)

           /**

           * parameterized constructor

           */

           this.numStrings = numStrings;

           this.guitarLength = guitarLength;

           this.guitarManufacturer = guitarManufacturer;

           this.guitarColor = guitarColor;

     

     /**

     * required getters and setters

     */

     public static char[] getValidNotes()

           return validNotes;

     public static void setValidNotes(char[] validNotes)

           Guitar.validNotes = validNotes;      

     public static double[] getValidDuration()

           return validDuration;

     public

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Mnenie [13.5K]
Answer: True






Explanation:
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