Which of the following defines heterogeneous distributed database?

(a) Describe data handling.

(b) Explain two ways of handling data.

(c) State four factors to consider when handling data electronically.

(a) Define Information Processing.

(b) State four steps involved in information processing.

(c) Mention three advantages of using computers for information processing.

(d) Highlight three disadvantages of using computers for information processing.

(a)(i) With the aid of a simple diagram, explain information transmission.

(ii) Give one example of information transmission.

(b) Give one example of each of the following;

(i)single user single tasking operating system.

(ii) single user multitasking operating system.

(iii) multi user operating system.

(c) List four features of a Graphical User Interface.

(a) Mention four qualities of a good computer professional.

(b) List four computer professional bodies in Nigeria.

(c) Write the full meaning of the following ; (i) Wifi (ii) GUI