MINDTAP COMPUTING FOR ANDREWS' A+ GUIDE
9th Edition
ISBN: 9781305944558
Author: ANDREWS
Publisher: Cengage Learning
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Chapter 5, Problem 2TC
Explanation of Solution
Given:
Three hard drives.
High end video card.
DVD drive.
To find: The reasonable wattage capacity for power supply when three hard drives, a high-end video card, and DVD drive are connected.
Solution:
High-end video card uses 300 Watts.
SATA hard drive takes 15-30 for all three types.
DVD drive takes 20-30 Watts.
The power will be:
The actual power consumption is more than the given directives for the hard drive. 30% more than the power supply mentioned is used. The extra 30% of power is used for compensating the shortage and to protect it from short circuit
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7. Long-Distance CallsA long-distance provider charges the following rates for telephone calls:
Rate Category Rate per MinuteDaytime (6:00 a.m. through 5:59 p.m.) $0.07Evening (6:00 p.m. through 11:59 p.m.) $0.12Off-Peak (midnight through 5:59 a.m.) $0.05Write a GUI application that allows the user to select a rate category (from a set of radio buttons), and enter the number of minutes of the call into an Entry widget. An info dialog box should display the charge for the call.
Name and Address
The Name and Address Problem
Write a GUI program that displays your name and address when a button is clicked. The program’s window should appear as the sketch on the left side of Figure 13-61 when it runs. When the user clicks the Show Info button, the program should display your name and address, as shown in the sketch on the right of the figure.
Exercise 1 Function and Structure [30 pts]
Please debug the following program and answer the following questions. There is a cycle in a linked
list if some node in the list can be reached again by continuously following the next pointer.
#include
typedef struct node {
int value;
struct node *next;
} node;
int 11_has_cycle (node *first)
if (first
==
node *head =
{
NULL) return 0;
first;
while (head->next != NULL) {
}
if (head
first) {
return 1; }
head = head->next;
return 0;
void test ll_has_cycle () {
int i;
node nodes [6];
for (i = 0; i < 6; i++) {
nodes [i] .next = NULL;
nodes [i].value = i;
}
nodes [0] .next
=
&nodes [1];
nodes [1] .next
=
&nodes [2];
nodes [2] .next
=
&nodes [3];
nodes [3] .next
nodes [4] .next
&nodes [4];
NULL;
nodes [5] .next = &nodes [0];
printf("1. Checking first list for cycles. \n Function 11_has_cycle says it
has s cycle\n\n", 11_has_cycle (&nodes [0])?"a":"no");
printf("2. Checking length-zero list for cycles. \n Function 11_has_cycle
says it has %s…
Chapter 5 Solutions
MINDTAP COMPUTING FOR ANDREWS' A+ GUIDE
Ch. 5 - Prob. 1TCCh. 5 - Prob. 2TCCh. 5 - Prob. 3TCCh. 5 - Prob. 4TCCh. 5 - Prob. 5TCCh. 5 - Prob. 6TCCh. 5 - Prob. 7TCCh. 5 - Prob. 3RTBCh. 5 - Prob. 4RTBCh. 5 - Prob. 14RTB
Ch. 5 - Prob. 1RTBCh. 5 - Prob. 2RTBCh. 5 - Prob. 5RTBCh. 5 - Prob. 6RTBCh. 5 - Prob. 7RTBCh. 5 - Prob. 8RTBCh. 5 - Prob. 9RTBCh. 5 - Prob. 10RTBCh. 5 - Prob. 11RTBCh. 5 - Prob. 12RTBCh. 5 - Prob. 13RTBCh. 5 - Prob. 15RTBCh. 5 - Prob. 16RTBCh. 5 - Prob. 17RTBCh. 5 - Prob. 18RTBCh. 5 - Prob. 19RTBCh. 5 - Prob. 20RTB
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