Answer:
THERE ARE MANY TYPES OF FUNCTIONS IN ICT, in excel, VLOOKUP, IF, HLOOKUP, COUNTIF, SUM IF, COUNT, SUM, AVERAGE are all examples of functions.
THERE ARE FUNCTIONS of a computer system: Input, Processing, Storage and Output.
Step-by-step explanation:
A function performs a specific set of operations on its input values to produce a single output value