Computer Science: An Overview (12th Edition)

12th Edition

ISBN: 9780133760064

Author: Glenn Brookshear, Dennis Brylow

Publisher: PEARSON

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Textbook Question

Chapter 2.3, Problem 3QE

Suppose the Vole memory cells at addresses 0xA4 to 0xB1 contain the bit patterns given in the following table:

Address	Contents
0xA4	0x20
0xA5	0x00
0xA6	0x21
0xA7	0x03
0xA8	0x22
0xA9	0x01
0xAA	0xB1
0xAB	0xB0
0xAC	0x50
0xAD	0x02
0xAE	0xB0
0xAF	0xAA
0xB0	0xC0
0xB1	0x00

When answering the following questions, assume that the Vole is started with its program counter containing 0xA4.

a. What is in register 0x0 the first time the instruction at address 0xAA is executed?
b. What is in register 0x0 the second time the instruction at address 0xAA is executed?
c. How many times is the instruction at address 0xAA executed before the Vole halts?

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Chapter 2.3, Problem 2QE

Chapter 2.3, Problem 4QE

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Write .php file that saves car booking and displays feedback. There are 2 buttons, which are <Book it> <Select a date>. <Select a date> button gets an input from the user, start date and an end date. Book it button can be pressed only if the start date and ending date are chosen by the user. If successful, it books cars for specific dates, with bookings saved. Booking should be in the .json file which contains all the bookings, and have the following information: Start Date. End Date. User Email. Car ID. If the car is already booked for the selected period, a failure message should be displayed, along with a button to return to the homepage. In the booking.json file, if the Car ID and start date and end date matches, it fails Use AJAX: Save bookings and display feedback without page refresh, using a custom modal (not alert).

Write .php file with the html that saves car booking and displays feedback. Booking should be in the .json file which contains all the bookings, and have the following information: Start Date. End Date. User Email. Car ID. There are 2 buttons, which are <Book it> <Select a date> Book it button can be pressed only if the start date and ending date are chosen by the user. If successful, book cars for specific dates, with bookings saved. If the car is already booked for the selected period, a failure message should be displayed, along with a button to return to the homepage. Use AJAX: Save bookings and display feedback without page refresh, using a custom modal (not alert). And then add an additional feature that only free dates are selectable (e.g., calendar view).

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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