The expected answers were:
- Explanation of compatibility
A property of colour television system which permits unaltered monochrome receivers to receive substantially normal monochrome from the transmitted signal.
- Seven block stages in colour T.V. receivers
- Tuner
- IF amplifier
- Video detector
- Sound IF
- Sound detector
- AF amplifier
- Colour detector
- Synchronizing separator
- Vertical oscillator
- Line output
- EHT
- Horizontal oscillator
The question was on communication systems. Only a few attempted the question. The performance was below average.
The few candidates that attempted it failed to know the term compatibility as the ability of monochrome systems to receive colour TV signals and the functional parts of colour TV systems as described in block diagram arrangements.
