Waec Data Processing 2018 Past Questions and Answers

Question 16:

• WAEC 2018

One advantage of indexed sequential file organization is that ____________

A. Index tables are small and can be searched quickly
B. It is cost effective
C. It is suitable for dynamically changing files
D. It requires less storage space

Question 17:

• WAEC 2018

The protection of database against compromise is known as ____________

A. Data passwording
B. Data protection
C. Database encoding
D. Database security

Question 18:

• WAEC 2018

Which of the following is a characteristic of parallel databases?

A. There can be shared-memory or shared disk
B. They are connected using public purpose network
C. Machines in this environment are in different locations
D. It has local autonomy

Question 19:

• WAEC 2018

The first generation computers made use of ____________

A. Low level programming
B. High level programming language
C. Object-oriented programming language
D. Procedural programming language

Question 20:

• WAEC 2018

Microprocessor was used as the main electronic component of the ____________

A. First generation computers
B. Second generation computers
C. Third generation computers
D. Fourth generation computers