Top answers

What is the difference between an array and a record?

Array:A data structure that stores a list of values of the same data type. It is possible to input and output values or process an entire array using a For Next Loop. Each element has an index to specify its...
CD
Answered by Chris D. • Computing tutor
59983 Views

What do the logical operators AND, OR, XOR and NOT do?

AND (both conditions on either side of the AND operation MUST be satisfied for the IF function to work) OR (either condition on each side of the OR operation MUST be satisfied for the IF function to work) NO...
CD
Answered by Chris D. • Computing tutor
7482 Views

What is the difference between a variable and an identifier?

A variable is a memory location given a name and a data type. Once a variable has been declared its contents may be modified using its name. An identifier is the name you give a variable. (In the case of Vis...
CD
Answered by Chris D. • Computing tutor
8909 Views

What is data validation and data verification?

Data Validation Data validation is the process of comparing data with a set of rules to find out if data is reasonable. There are many types of data validation such as: -Format check: Checks data is in the r...
CO
Answered by Carlota O. • Computing tutor
36022 Views

Explain the difference between the cache memory and the buffer.

The cache memory aims to reduce the memory access time and thus increase your computer speed by storing frequently accessed data. A buffer, such as a printing buffer, is just a temporary memory storage that ...
CF
Answered by Cesar F. • Computing tutor
9514 Views