Data processing

Question 1

what is manual and automatic data processing

Answer 1

• peripheral devices which can automate the input and processing of data and avoid human errors such as typos during data entry.

Question 2

automatic processes/ devices examples

Answer 2

• biometric readers; these read fingerprints, handprints or iris for use in personal identification e.g. phone password
• barcode readers; reads lines of different thickness and coverts them into values
• smart metres; these accurately record electricity and gas usage and sends readings to the energy supplier
• optical mark recognition (OMR); these automatically read a form and input the data
• radio-frequency identification devices; these are used in stocktaking and race timing systems.

Question 3

manual processes examples

Answer 3

• marking exam papers
• entering customer meal choices
• keying clients or product details into a database
• entering survey responses from a form