Computer Science: An Overview (12th Edition)

12th Edition

ISBN: 9780133760064

Author: Glenn Brookshear, Dennis Brylow

Publisher: PEARSON

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Textbook Question

Chapter 2, Problem 49CRP

Suppose the Vole communicates with a printer using the technique of memory-mapped I/O. Suppose also that address 0xFF is used to send characters to the printer, and address 0xFE is used to receive information about the printer’s status. In particular, suppose the least significant bit at the address 0xFE indicates whether the printer is ready to receive another character (with a 0 indicating “not ready” and a 1 indicating “ready”). Starting at address 0x00, write a machine language routine that waits until the printer is ready for another character and then sends the character represented by the bit pattern in register 0x5 to the printer.

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Chapter 2, Problem 48CRP

Chapter 2, Problem 50CRP

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Chapter 2 Solutions

Computer Science: An Overview (12th Edition)

Ch. 2.1 - What sequence of events do you think would be...Ch. 2.1 - What information must the CPU supply to the main...Ch. 2.1 - Prob. 3QE Ch. 2.2 - Prob. 1QE Ch. 2.2 - In the text, JUMP instructions were expressed by...Ch. 2.2 - Is the instruction If 0 equals 0, then jump to...Ch. 2.2 - Write the example program in Figure 2.7 in actual...Ch. 2.2 - The following are instructions written in Vole...Ch. 2.2 - What is the difference between the instructions...Ch. 2.2 - Here are some instructions in English. Translate...

Ch. 2.3 - Prob. 1QE Ch. 2.3 - Suppose the Vole memory cells at addresses 0xB0 to...Ch. 2.3 - Suppose the Vole memory cells at addresses 0xA4 to...Ch. 2.3 - Suppose the Vole memory cells at addresses 0xF0 to...Ch. 2.4 - Prob. 1QE Ch. 2.4 - Prob. 2QE Ch. 2.4 - Prob. 3QE Ch. 2.4 - a. Suppose you XOR the first 2 bits of a string of...Ch. 2.4 - Prob. 5QE Ch. 2.4 - Prob. 6QE Ch. 2.4 - Prob. 7QE Ch. 2.4 - Prob. 8QE Ch. 2.4 - Prob. 9QE Ch. 2.4 - Prob. 10QE Ch. 2.4 - Using Vole machine language (Appendix C), write a...Ch. 2.4 - Prob. 12QE Ch. 2.5 - Prob. 1QE Ch. 2.5 - Prob. 2QE Ch. 2.5 - Prob. 3QE Ch. 2.6 - The hypotenuse example script truncates the sides...Ch. 2.6 - Prob. 2QE Ch. 2.6 - The Python built-in function str () will convert a...Ch. 2.6 - Use the Python built-in bin () to write a script...Ch. 2.6 - Prob. 6QE Ch. 2.7 - Referring back to Questions 3 of Section 2.3, if...Ch. 2.7 - Prob. 2QE Ch. 2.7 - Suppose there were two central processing units...Ch. 2 - a. In what way are general-purpose registers and...Ch. 2 - Answer the following questions in Vole machine...Ch. 2 - Prob. 3CRP Ch. 2 - What is the value of the program counter in the...Ch. 2 - Prob. 5CRP Ch. 2 - Prob. 6CRP Ch. 2 - Prob. 7CRP Ch. 2 - Suppose a machine language is designed with an...Ch. 2 - Translate the following instructions from English...Ch. 2 - Rewrite the program in Figure 2.7 assuming that...Ch. 2 - 11. Classify each of the following instructions...Ch. 2 - Prob. 12CRP Ch. 2 - Prob. 13CRP Ch. 2 - Suppose the memory cells at addresses 0x00 through...Ch. 2 - Suppose the memory cells at addresses 0x00 through...Ch. 2 - Suppose the memory cells at addresses 0x00 through...Ch. 2 - Suppose the memory cells at addresses 0x00 through...Ch. 2 - Prob. 18CRP Ch. 2 - If the Vole executes an instruction every...Ch. 2 - Prob. 20CRP Ch. 2 - Prob. 21CRP Ch. 2 - Prob. 22CRP Ch. 2 - Prob. 23CRP Ch. 2 - Write a program in Vole to compute the sum of...Ch. 2 - Prob. 26CRP Ch. 2 - Prob. 27CRP Ch. 2 - Suppose the following program, written in Vole, is...Ch. 2 - Summarize the steps involved when the Vole...Ch. 2 - Summarize the steps involved when the Vole...Ch. 2 - Summarize the steps involved when the Vole...Ch. 2 - Suppose the registers 0x4 and 0x5 in the Vole...Ch. 2 - Prob. 33CRP Ch. 2 - Prob. 34CRP Ch. 2 - Prob. 35CRP Ch. 2 - Prob. 36CRP Ch. 2 - Prob. 37CRP Ch. 2 - Prob. 38CRP Ch. 2 - Prob. 39CRP Ch. 2 - Prob. 40CRP Ch. 2 - Prob. 41CRP Ch. 2 - Prob. 42CRP Ch. 2 - a. What single instruction in the Vole machine...Ch. 2 - Write a Vole program that reverses the contents of...Ch. 2 - Write a Vole program that subtracts the value...Ch. 2 - Prob. 46CRP Ch. 2 - Suppose a person is typing forty words per minute...Ch. 2 - Prob. 48CRP Ch. 2 - Suppose the Vole communicates with a printer using...Ch. 2 - Write a Vole program that places 0s in all the...Ch. 2 - Prob. 51CRP Ch. 2 - Prob. 52CRP Ch. 2 - Suppose you are given 32 processors, each capable...Ch. 2 - Prob. 54CRP Ch. 2 - Prob. 55CRP Ch. 2 - Describe how the average of a collection of...Ch. 2 - Write and test a Python script that reads in a...Ch. 2 - Write and test a Python script that reads in a...Ch. 2 - Prob. 59CRP Ch. 2 - Suppose a computer manufacturer develops a new...Ch. 2 - Prob. 2SI Ch. 2 - Prob. 3SI Ch. 2 - Prob. 4SI Ch. 2 - Suppose a manufacturer produces a computer chip...Ch. 2 - Prob. 6SI Ch. 2 - Prob. 7SI Ch. 2 - Prob. 8SI

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