RAM

Question 1
Which of the following is a random access (primary) memory?
A
Disk
B
Tape
C
ROM
D
None
Digital-Logic-DesignRAMAPPSC-2012-DL-CS
Question 1 Explanation: 
Disk ,Tape ,ROM are all permanent storage memory.
Question 2
A dynamic RAM has refresh cycle of 32 times per msec. Each refresh operation requires 100 nsec and a memory cycle requires 250 nsec. What percentage of memory’s total operating time is required for refreshes?
A
0.64
B
0.96
C
2.00
D
0.32
Digital-Logic-DesignRAMUGC NET CS 2015 Dec - paper-3
Question 2 Explanation: 

Question 3
How many 64Kx1RAM chips are required to provide a memory of size 256K bytes?
A
8
B
4
C
32
D
64
Digital-Logic-DesignRAMAPPSC-2016-DL-CS
Question 3 Explanation: 
There are 3 questions to complete.

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