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
- 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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Students have asked these similar questions
Variable x has 4-byte representation 0x01234567
Address given by &x is 0x100
If the machine uses little endian byte ordering which of the following table presents
variable in machine memory
Select one:
a. Ox100 :67
Ox001: 45
Ox102: 23
Ox103: 01
b. 0x100 : 76
Ox001: 54
Ox102: 32
Ox103: 10
O c. Ox100:01
Ox001: 23
Ox102: 45
Ox103: 67
d. 0x100 : 10
Ox001: 32
Ox102: 54
Ox103: 76
Clear my choice
Variable x has 4-byte representation 0x01234567
Address given by &x is 0x100
If the machine uses Big endian byte ordering which of the following table presents variable in machine memory
Select one:
a. 0x100 : 100x001: 320x102: 540x103: 76
b. 0x100 : 670x001: 450x102: 230x103: 01
c. 0x100 : 760x001: 540x102: 320x103: 10
d. 0x100 : 010x001: 230x102: 450x103: 67
Computer Science
Assume the following register contents:
$t0 = 1111 1111 1111 1111 1111 1111 0011 1010 = 0xFFFFFF3A
$t1 = 0010 0011 0100 0101 0110 0111 1000 1001 = 0x23456789
a. What are the decimal values of $t0 and $t1, respectively, if they are 32-bit two's complement signed numbers?
b. For the register values shown above, what are $t2 binary and hexadecimal representations, respectively, for the following sequence of instructions?
sll $t2, $t0, 4
or $t2, $t2, $t1
c. For the register values shown above, what are $t2 binary and hexadecimal representations, respectively, for the following sequence of instructions?
sll $t2, $t0, 2
nor $t2, $t2, $t1
d. For the register values shown above, what are $t2 binary and hexadecimal representations, respectively, for the following sequence of instructions?
srl $t2, $t0, 4
and $t2, $t2, $t1
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. 3QECh. 2.2 - Prob. 1QECh. 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. 1QECh. 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. 1QECh. 2.4 - Prob. 2QECh. 2.4 - Prob. 3QECh. 2.4 - a. Suppose you XOR the first 2 bits of a string of...Ch. 2.4 - Prob. 5QECh. 2.4 - Prob. 6QECh. 2.4 - Prob. 7QECh. 2.4 - Prob. 8QECh. 2.4 - Prob. 9QECh. 2.4 - Prob. 10QECh. 2.4 - Using Vole machine language (Appendix C), write a...Ch. 2.4 - Prob. 12QECh. 2.5 - Prob. 1QECh. 2.5 - Prob. 2QECh. 2.5 - Prob. 3QECh. 2.6 - The hypotenuse example script truncates the sides...Ch. 2.6 - Prob. 2QECh. 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. 6QECh. 2.7 - Referring back to Questions 3 of Section 2.3, if...Ch. 2.7 - Prob. 2QECh. 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. 3CRPCh. 2 - What is the value of the program counter in the...Ch. 2 - Prob. 5CRPCh. 2 - Prob. 6CRPCh. 2 - Prob. 7CRPCh. 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. 12CRPCh. 2 - Prob. 13CRPCh. 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. 18CRPCh. 2 - If the Vole executes an instruction every...Ch. 2 - Prob. 20CRPCh. 2 - Prob. 21CRPCh. 2 - Prob. 22CRPCh. 2 - Prob. 23CRPCh. 2 - Write a program in Vole to compute the sum of...Ch. 2 - Prob. 26CRPCh. 2 - Prob. 27CRPCh. 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. 33CRPCh. 2 - Prob. 34CRPCh. 2 - Prob. 35CRPCh. 2 - Prob. 36CRPCh. 2 - Prob. 37CRPCh. 2 - Prob. 38CRPCh. 2 - Prob. 39CRPCh. 2 - Prob. 40CRPCh. 2 - Prob. 41CRPCh. 2 - Prob. 42CRPCh. 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. 46CRPCh. 2 - Suppose a person is typing forty words per minute...Ch. 2 - Prob. 48CRPCh. 2 - Suppose the Vole communicates with a printer using...Ch. 2 - Write a Vole program that places 0s in all the...Ch. 2 - Prob. 51CRPCh. 2 - Prob. 52CRPCh. 2 - Suppose you are given 32 processors, each capable...Ch. 2 - Prob. 54CRPCh. 2 - Prob. 55CRPCh. 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. 59CRPCh. 2 - Suppose a computer manufacturer develops a new...Ch. 2 - Prob. 2SICh. 2 - Prob. 3SICh. 2 - Prob. 4SICh. 2 - Suppose a manufacturer produces a computer chip...Ch. 2 - Prob. 6SICh. 2 - Prob. 7SICh. 2 - Prob. 8SI
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