Kerala PSC Telephone Operator Previous Year Paper 2016 on Subject Knowledge
| KPSC – Telephone – Operator – 2016 – Professional Subject Knowledge | |
| 1. | The purpose of Telex system is :
(a) For sending text-based messages. (b) For sending voice information. (c) For sending both text-based messages and Voice (d) For sending multimedia services |
| 2. | To represent the mark or space symbols in teleprinter:
(a) Presence or absence of a pre-defined level of voltage is used (b) Presence or absence of a pre-defined level of current is used (c) Different frequency combinations (d) Any of the above |
| 3. | The start of every transmission in telex system is by:
(a) Sending the sequence YRYRYR (b) Sending the sequence YPYPYP (c) Sending the sequence PYPYPY (d) Sending the sequence RYRYRY |
| 4. | Teleprinter speed is expressed in:
(a) Kbps (b) WPM (c) WPH (d) Mbps |
| 5. | The international standard code used in Telex working is:
(a) ITA2 (b) ITA1 (c) ITA3 (d) Baudot code |
| 6. | The test message Telex working is by
(a) Sending the sequence YRYRYR (b) Sending the sequence YPYPYP (c) Sending the sequence PYPYPY (d) Sending the sequence RYRYRY |
| 7. | The service Codes used on telex to indicate “Who are you” is :
(a) WAU (b) WRU (c) WAY (d) PPPP |
| 8. | The Service Codes used on telex to indicate error:
(a) PPPP (b) SSSS (c) RRRR (d) XXXXX |
| 9. | The Service Code used on telex to indicate Here ready for data transmission is:
(a) PPPP (b) SSSS (c) RRRR (d) XXXXX |
| 10. | Answerback codes on telex working consists of:
(a) Telex number (b) Country or origin (c) Customer name (d) All the three |
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