Answer:
C. to provide online search capabilities
Explanation:
The first workable prototype of the Internet came in the late 1960s with the creation of ARPANET, or the Advanced Research Projects Agency Network. Originally funded by the U.S. Department of Defense, ARPANET used packet switching to allow multiple computers to communicate on a single network.
Loop takes only positive numbers and terminates once it encounters a negative numbers.
Answer and Explanation:
Using javascript:
Var positiveInt= window.prompt("insert positive integer");
While(positiveInt>=0){
Alert("a positive integer");
Var positiveInt= window.prompt("insert positive integer");
}
Or we use the do...while loop
Var positiveInt= window.prompt("insert positive integer");
do{
Var positiveInt= window.prompt("insert positive integer");
}
While (positiveInt>=0);
The above program in javascript checks to see if the input number is negative or positive using the while loop condition and keeps executing with each input until it gets a negative input
Enroll a student identified by her snum into the class named 'Introduction to Database Systems' is the following transactions, state the SQL isolation level you would use.
1. Enroll a student identified by her snum into the class named 'Introduction to Database Systems'.
<u>Explanation:</u>
Since enroll is unique in the university enrollment database schema and field name is SNUM and it is data type is an integer. To identify student class name and department name and name of student SNUM field is used for searching in university enrollment database schema. Enrollment changing is not possible of the student’s not possible or not good practices in university enrollment database schema.
If a query had been made class wise or department wise enrollment is played an important role.
For assign, a faculty is made on the class id or department id.
Answer:
b. erroneous processing can result in the accumulation of a great number of misstatements in a short period of time.
Explanation:
Because of the consistent nature of processing in computers, this is capable of creating certain kinds of risk. From the option, one of the probable risk that can result from consistent information processing for multiple transactions at the same time is erroneous processing. This can therefore lead to a pile of misstatements in only a short period of time.
Answer: Analyze the organization's strategic plan
Explanation:
The initial step in the information system is to first analyze the strategic plan of the organization so that we can easily identify the main objective and challenge.
It is basically archived by enlisting the particular objective and function in the planning of information system in the organization.
All the remining option are involve in the remaining step of the information system planning not in the initial step.
Therefore, analyze the organization's strategic plan is correct as it is the first step of the information system planning.