Assume I have defined COUNT like this: const int COUNT = 125; In one line of code, please declare a pointer named cptr and make it point to COUNT. 12 30 100 19 -3 120 20 ptr1 ptr2 Assume I have an integer array as shown above, and that ptr1 is an int pointer currently pointing to the 12 in the array; ptr2 is also an int pointer currently pointing to the 20 in the array. On the machine l'm using, each int takes up 4 bytes of RAM (no matter how large or small the int's value is). You can assume variable answer is an int. For each of these, please enter the value that will be stored into answer. a. answer - ptr2 - ptrl; b. answer = *ptr2 - *ptrl; Assume I have this code: char* p - &name; string name = "Homer"; What can you say about this code? 1. It will cause a compiler error, because it's trying to make p point to the wrong type of data 2. It will cause a compiler error, because it's trying to make p point to a variable that has not been declared yet 3. It will make p point to the 'H' in "Homer" O Both 2 and 3 O Only 2 O Both 1 and 3 O Both 1 and 2
Assume I have defined COUNT like this: const int COUNT = 125; In one line of code, please declare a pointer named cptr and make it point to COUNT. 12 30 100 19 -3 120 20 ptr1 ptr2 Assume I have an integer array as shown above, and that ptr1 is an int pointer currently pointing to the 12 in the array; ptr2 is also an int pointer currently pointing to the 20 in the array. On the machine l'm using, each int takes up 4 bytes of RAM (no matter how large or small the int's value is). You can assume variable answer is an int. For each of these, please enter the value that will be stored into answer. a. answer - ptr2 - ptrl; b. answer = *ptr2 - *ptrl; Assume I have this code: char* p - &name; string name = "Homer"; What can you say about this code? 1. It will cause a compiler error, because it's trying to make p point to the wrong type of data 2. It will cause a compiler error, because it's trying to make p point to a variable that has not been declared yet 3. It will make p point to the 'H' in "Homer" O Both 2 and 3 O Only 2 O Both 1 and 3 O Both 1 and 2
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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