MCQOPTIONS
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| 1. |
Which of the following is/are the principle components of a memory-tube display ?(a) Flooding gun (b) Collector(c) Phosphorus grains (d) Ground |
| A. | (a) and (b) |
| B. | (c) only |
| C. | (d) only |
| D. | All the above |
| Answer» E. | |