________ consists of lines of varying widths or lengths and are computer-readable.

Barcode contain data which is represented visually and in a way that is machine-readable.

Key Points

• These barcodes can be read by specialised optical scanners known as barcode readers. 
• It contains parallel lines of varying lengths, spacings, and diameters that were used to represent data in barcodes. 
• There are barcodes referred to as one-dimensional and two-dimensional. 
• It can be scanned by using specialised application software, or a mobile device with an integrated camera, such as a smartphone. 

Therefore, A bar code consists of lines of varying widths or lengths and is computer-readable.

Additional Information

• Magnetic tape is a long, narrow strip of plastic film covered in a thin, magnetizable coating medium for magnetic storage. 
• American System Code for Information Interchange (ASCII) is a character encoding standard for electronic communication.
• OCR's fundamental procedure entails reading a document's text and converting the characters into a code that may be used for data processing.