Starting Out With Visual Basic, Student Value Edition (8th Edition)
8th Edition
ISBN: 9781323836194
Author: Tony Gaddis, Kip R. Irvine
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 1SA
What is the difference between main memory and secondary storage?
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2. Signed Integers
Unsigned binary numbers work for natural numbers, but many calculations use negative
numbers as well. To deal with this, a number of different methods have been used to represent
signed numbers, but we will focus on two's complement, as it is the standard solution for
representing signed integers.
2.1 Two's complement
• Most significant bit has a negative value, all others are positive. So, the value of an n-digit
-2
two's complement number can be written as: Σ2 2¹ di 2n-1 dn
• Otherwise exactly the same as unsigned integers.
i=0
-
• A neat trick for flipping the sign of a two's complement number: flip all the bits (0 becomes 1,
or 1 becomes 0) and then add 1 to the least significant bit.
• Addition is exactly the same as with an unsigned number.
2.2 Exercises
For questions 1-3, answer each one for the case of a two's complement number and an
unsigned number, indicating if it cannot be answered with a specific representation.
1. (15 pts) What is the largest integer…
can u solve this question
1. Unsigned Integers
If we have an n-digit unsigned numeral dn-1d n-2...do in radix (or base) r, then the value of that
numeral is
n−1
r² di
Σi=0
which is basically saying that instead of a 10's or 100's place we have an r's or
r²'s place. For binary, decimal, and hex r equals 2, 10, and 16, respectively.
Just a reminder that in order to write down a large number, we typically use the IEC or SI
prefixing system:
IEC: Ki = 210, Mi = 220, Gi = 230, Ti = 240, Pi = 250, Ei = 260, Zi = 270, Yi = 280;
SI: K=103, M = 106, G = 109, T = 10¹², P = 1015, E = 10¹8, Z = 1021, Y = 1024.
1.1 Conversions
a. (15 pts) Write the following using IEC prefixes: 213, 223, 251, 272, 226, 244
21323 Ki8 Ki
223 23 Mi 8 Mi
b. (15 pts) Write the following using SI prefixes: 107, 10¹7, 10¹¹, 1022, 1026, 1015
107 10¹ M = 10 M
=
1017102 P = 100 P
c. (10 pts) Write the following with powers of 10: 7 K, 100 E, 21 G
7 K = 7*10³
Chapter 1 Solutions
Starting Out With Visual Basic, Student Value Edition (8th Edition)
Ch. 1.1 - List the five major hardware components of a...Ch. 1.1 - Prob. 1.2CPCh. 1.1 - Prob. 1.3CPCh. 1.1 - What are the two general categories of software?Ch. 1.3 - What is an algorithm?Ch. 1.3 - Why were computer programming languages invented?Ch. 1.3 - What is an object? What is a control?Ch. 1.3 - What does event-driven mean?Ch. 1.3 - What is a property?Ch. 1.3 - Prob. 1.10CP
Ch. 1.3 - If a control has the programmer-defined name...Ch. 1.3 - What is the default name given to the first...Ch. 1.3 - Prob. 1.13CPCh. 1.4 - What four items should be identified when defining...Ch. 1.4 - Prob. 1.15CPCh. 1.4 - Prob. 1.16CPCh. 1.4 - Prob. 1.17CPCh. 1.4 - What is pseudocode?Ch. 1.4 - Prob. 1.19CPCh. 1.4 - What is the purpose of testing a program with...Ch. 1.4 - Prob. 1.21CPCh. 1.5 - Prob. 1.22CPCh. 1.5 - Prob. 1.23CPCh. 1.5 - Prob. 1.24CPCh. 1.5 - Prob. 1.25CPCh. 1.5 - What is a ToolTip?Ch. 1 - The job of the _____ is to fetch instructions,...Ch. 1 - Prob. 2FIBCh. 1 - The two general categories of software are _____...Ch. 1 - Prob. 4FIBCh. 1 - Since computers cannot be programmed in natural...Ch. 1 - _____ is the only language computers can process...Ch. 1 - Words that have predefined meaning in a...Ch. 1 - Prob. 8FIBCh. 1 - _____ are characters or symbols that perform...Ch. 1 - Prob. 10FIBCh. 1 - Prob. 11FIBCh. 1 - _____ is data the computer collects from the world...Ch. 1 - Prob. 13FIBCh. 1 - A(n) _____ is a set of well-defined steps for...Ch. 1 - Prob. 15FIBCh. 1 - _____ is human-readable code that looks similar to...Ch. 1 - Prob. 17FIBCh. 1 - Prob. 18FIBCh. 1 - Prob. 19FIBCh. 1 - Prob. 20FIBCh. 1 - Prob. 21FIBCh. 1 - The _____ window allows you to examine and change...Ch. 1 - Prob. 23FIBCh. 1 - Prob. 24FIBCh. 1 - Prob. 25FIBCh. 1 - Prob. 26FIBCh. 1 - Prob. 27FIBCh. 1 - Prob. 28FIBCh. 1 - You can access the full documentation for Visual...Ch. 1 - Prob. 30FIBCh. 1 - What is the difference between main memory and...Ch. 1 - What is the difference between operating system...Ch. 1 - What is an object?Ch. 1 - What is a control?Ch. 1 - Prob. 5SACh. 1 - Prob. 6SACh. 1 - What is an object? What is a control?Ch. 1 - Prob. 8SACh. 1 - Prob. 9SACh. 1 - Prob. 10SACh. 1 - Prob. 11SACh. 1 - Prob. 12SACh. 1 - Prob. 13SACh. 1 - Prob. 14SACh. 1 - Prob. 15SACh. 1 - Prob. 16SACh. 1 - What is pseudocode?Ch. 1 - Prob. 18SACh. 1 - Prob. 19SACh. 1 - Prob. 20SACh. 1 - Prob. 21SACh. 1 - Prob. 22SACh. 1 - What is a ToolTip?Ch. 1 - Prob. 24SACh. 1 - Prob. 25SACh. 1 - Figure 1-30 shows the Visual Studio IDE. What are...Ch. 1 - Are each of the following control names legal or...Ch. 1 - Prob. 2WDTCh. 1 - Prob. 3WDTCh. 1 - The following control names appear in a Visual...Ch. 1 - Carpet Size You have been asked to create an...Ch. 1 - Available Credit A retail store gives each of its...Ch. 1 - Sales Tax Solving the Sales Tax Problem Perform...Ch. 1 - Account Balance Perform Steps 1 through 6 of the...
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