Q18,p3,j15. Match the following.

List 1	List 2
A.      Flood Gun	1.       An electron gun designed to flood the entire screen with electrons.
B.      Collector	2.       Partly energized by flooding gun, stores the charge generated by the writing gun.
C.      Ground	3.       Used to discharge the collector.
D.      Phosphorus	4.       Used in memory tube display and similar to those used in standard CRT.
E.       Writing gun system	5.       Used in memory tube  display , basically the same as electron gun used in conventional CRT.

Codes

                A             B             C             D             E

A.            i.              ii.             Iii.           Iv.           V.

B.            i.              iii             iv             v              i

C.            III            I               ii.             V.            iv.

D.            iv.           V.            i.              ii.             Iii.

Answer A.