A file organization that has reference which identifies a record in relation to other records is called...

Providing access control to a school is the responsibility of a 

Figure 1  ABOVE depicts.

(a) What is a function in MS Excel?

(b) List two categories of functions in MS Excel.

(c) What is the cell referencing in MS Excel.

(d)(i) State two types of cell referencing in MS Excel.

(ii) Give one example of each type in 1(d)(i)

Ciroma Chukwuma Adekunle has just opened a computer business centre within a school environment.

(a) State three computer services that may be provided in the business center

(b) List three devices required in the business centre

(c) Give two applications software needed in the business centre.

(d) Outline two precautions that must be taken by Ciroma Chukwuma Adekunle to ensure the safety of this computer if he accepts documents in movable devices from his customers.