Answer:
The answers to 1st question and part 2A is given. However, the 2B is not given complete and thus cannot be answered.
Explanation:
UNION is a keyword used in C Language to have a commonly shared memory that can be used by multiple elements. It is a data-type that allows different data types to use the same shared memory location.
Importance: If you want to minimize the use of memory by sharing it between different datatype variables, then use UNION. For Ex. Let's suppose I want to use 2 variables a and b of type char and int respectively. Now, suppose int takes memory space of 2 bytes and char takes 1 byte then the total amount of memory needed = 2 + 1 = 3 Bytes. But, we want to first make use of a, and once done, we want to declare variable b. We can limit the memory use by declaring a memory space of 2 bytes (max of a and b). First, we can use this space to store the int variable and when done with it, we can use it to store the char variable.
PART 2A
typedef struct{
int partNum;
char partName[25];
} partin;
#define Partin partin
Parallel parking, emergency parking, parking on a hill, and prohibited parking. at least that's what the handbook in Arizona says, but check with your state handbook.)
Answer:
import java.util.Scanner;
public class num10 {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
System.out.println("Enter the numbers to add up. enter 999 to stop");
int num = in.nextInt();
int sum = 0;
while (num!=999){
sum = sum+num;
System.out.println("Enter the next number");
num = in.nextInt();
}
System.out.println("The sum is: "+sum);
}
}
Explanation:
The application is implemented in Java
A while loop is used to continously prompt user for inputs. The condition of the while loop is while (num!=999)
When the number 999 is entered, it displays the sum which is initialized to 0
They were designed for batch processing.
Explanation
In the beginning, around the 1940s, electronic computers were built without Operating systems. These computers could not do basic calculations, read and write data, or run programs. Setbacks such as these led to the development of operating systems.
The first one was introduced in the early to mid-1950, and it relied on the batch processing systems to facilitate submission of data into groups. Rather than processing tasks individually, this system processed tasks in batches. Upon the completion of a job, the batch would head over to the OS’s software. The software would then dump the state of the active task and open the next one. This helped reduce operator intervention and time wastage.
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Answer:
True.
Explanation:
A Central office or local office in Metropolitan cities is a building or an office where the phone lines coming from a home or office are terminated and connected to a bigger switching system.Central office got the switching equipment which holds the ability to switch calls long-distances or locally.Hence we conclude that the answer is True.
