Facebook, Twitter and WhatsApp are examples of
Social media
Social communication
Networking media
Search engines
Correct answer is A
No explanation has been provided for this answer.
Which of the following is true about digital computers?
They consist of magnetic core memory
They understand data as a continuous measurement of a physical quantity
They represent numbers through a string of binary digits
They are mainly used for scientific purposes
Correct answer is C
No explanation has been provided for this answer.
Which of the following is not a source of data collection?
Observation
Interview
Questionnaire
Classification
Correct answer is D
No explanation has been provided for this answer.
The operation of checking input data against specified criteria is referred to as
Data verification
Data validation
Data cross check
Data control
Correct answer is B
No explanation has been provided for this answer.
Which of the following persons invented the punch card machine?
Blaise Pascal
Gottfried Leibniz
J. Prosper Eckert
Dr. Herman Hollerith
Correct answer is D
No explanation has been provided for this answer.