教资会网络 | UGC NET CS 2015 年 6 月 – III |问题 18
和以下相符:
List – I | List – II |
(a) Flood Gun | (i)An electron gun designed to flood the entire screen with electrons. |
(b)Collector | (ii)Partly energised by flooding gun, stores the charge generated by the writing gun. |
(c)Ground | (iii)Used to discharge the collector. |
(d)Phosphorus grains | (iv)Used in memory – tube display and similar to those used in standard CRT. |
(e)Writing Gun System | (v)Used in memory – tube display and basically the same as the electron gun used in a conventional CRT. |
代码:
(a) | (b) | (c) | (d) | (e) | |
(1) | (i) | (ii) | (iii) | (iv) | (v) |
(2) | (ii) | (iii) | (i) | (iv) | (v) |
(3) | (iii) | (i) | (ii) | (v) | (iv) |
(4) | (iv) | (v) | (i) | (ii) | (iii) |
(一) (一)
(乙) (2)
(三) (3)
(D) (4)答案:(一)
解释:
所以,选项(A)是正确的。
这个问题的测验