…………… uniquely identifies a person on the basis of physical or behavioural traits such as fingerprints, DNA, etc.

1. Touch screen
2. Biometric sensor
3. Optical character reader
4. QR code

An antivirus software is an example of:

1. Application software
2. System software
3. Utility software
4. None of these

Data capturing refers to:

1. Collecting data from different sources in printed form
2. Commenting on social media
3. Sharing and collaborating data online
4. Collecting data from different sources in digital form

ALU + CU = …………… .

1. MU
2. IPO
3. CPU
4. Operating System (OS)