Waec Data Processing 2015 Past Questions and Answers

Question 36:

• WAEC 2015

Which of the following is a computer professional?

A. Network Administrator
B. Web Master
C. System Analyst
D. File Manager

Question 37:

• WAEC 2015

The following are desturctive software except

A. Drivers
B. Worms
C. Trojan horses
D. Logic bomb

Question 38:

• WAEC 2015

The type of file organisation in a DVD-ROM is?

A. Direct access
B. Sequential
C. Serial
D. Hierarchical

Question 39:

• WAEC 2015

Which of these measures would not secure data in database?

A. Encryption
B. Data integration
C. Personal Identification Number
D. Username and passwords

Question 40:

• WAEC 2015

The diagram illustrates the relationship between two tables in a database.
The student ID in Tables II is referred to as

A. Primary key
B. Foriegn key
C. Normal key
D. Composite key