Answer. D: a value that looks loads when the program runs.
Explanation:
In programming, a variable is a value that can change, depending on conditions or on information passed to the program. Typically, a program consists of instruction s that tell the computer what to do and data that the program uses when it is running.
Answer:
A typical digital computer system has four basic functional elements: (1) input-output equipment, (2) main memory, (3) control unit, and (4) arithmetic-logic unit. Any of a number of devices is used to enter data and program instructions into a computer and to gain access to the results of the processing operation.
Explanation:
1: Application
2: Presentation
3:Session
4: Transport
5:Network
6: Data link
7: Physical
Application is a Interface Layer and responsible Layer
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