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26. How many RAM chips of size (256K x 1 bit) are required to build 1M Byte memory ?
8
12
24
32
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27. If each address space represents one byte of storage space, how many address lines are needed to access RAM chips arranged in a 4 x 6 array, where each chip is 8K x 4 bits
13
14
16
17
28. Four memory chips of 16 x 4 size have their address bases connected together. The system will be of size
64 x 64
16 x 16
32 x 16
256 x I
29. How many addresses are required for 25 x 40 video RAM
1020
1900
1000
2000
30. Which of the following statements is true ?
ROM is a Read / Write memory
PC points to the last instruction that was executed
Stack works on the principle of LIFO
All of above
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