Question

The first practical form of Random Access Memory (RAM) was the ____________

(a) Cathode tube

(b) Data tube

(c) Memory tube

(d) Select tube

I had been asked this question in homework.

Question is from Random Access Memory in division Memory Devices of Digital Circuits

Answer 1

Correct option is (c) Memory tube

For explanation: Data can be written into the memory via the data inputs by supplying an address to the SELECT inputs and holding both the memory enable and write enable LOW since it’s an active-low pin.