Waec Data Processing 2016 Past Questions and Answers

Question 11:

• WAEC 2016

The records of students in a school are kept in order of their arrival. What files access method would be used to access a student's record if the latest record would first be retrieved?

A. Direct
B. Indexed
C. Batch
D. Sequential

Question 12:

• WAEC 2016

The prevention of data from corruption and unauthorized access is a function of data

A. Security
B. Secrecy
C. Intergrity
D. Coding

Question 13:

• WAEC 2016

Which of the following defines heterogeneous distributed database?

A. Same DBMS is used at each location but data are not distributed across all nodes.
B. Same DBSM is used at each location with data distributed across all nodes.
C. Different DBSM is used at each location and data are not distributed across all nodes.
D. Different DBSM is used at each location and data are distributed across all nodes

Question 14:

• WAEC 2016

Who developed the first digital electrical computer?

A. Blaise Pascal
B. Joseph Jacquard
C. Mauchly and Eckert
D. Von Leibniz

Question 15:

• WAEC 2016

Which generation of computers made use of intergrated circuit?

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