Waec Data Processing 2020 Past Questions and Answers

Question 16:

• WAEC 2020

The following tools are used for protecting the computer against virus attack except

A. Avast anti malware
B. Kaspersky
C. Norton
D. Trojan horse

Question 17:

• WAEC 2020

Which of the following software replicates itself without being executed by the user

A. Worm
B. Trojan
C. Plug-ins
D. Driver

Question 18:

• WAEC 2020

In the model; Furniture (Table, Chair, Wardrobe) Furniture is ____________

A. A relation
B. A schema
C. A tuple
D. An attribute

Question 19:

• WAEC 2020

Which of the following database operations does not require a Data Maniulation Language?

A. Modification of information
B. Insertion of new information
C. Deletion of information
D. Creating of information

Question 20:

• WAEC 2020

The file organisation method which allows records to be accessed in any sequence is ____________

A. Index
B. Random
C. Sequential
D. Serial