Electronics and Communication Engineering - Electronic Devices and Circuits

36.
How many zone bits are there?
The 8156 of a figure has RAM locations from 2000 H to 20 FFH.
2
4
8
16
Answer: Option
Explanation:
No answer description is available. Let's discuss.

37.
Which of the following is equivalent to AND-OR realization?
NAND-NOR
NOR-NOR
NOR-NAND
NAND-NAND
Answer: Option
Explanation:
No answer description is available. Let's discuss.

38.
How many different BCD number can be stored in a register containing 12 switches using an 8, 4, 2, 1 code?
99
100
999
1000
Answer: Option
Explanation:
No answer description is available. Let's discuss.

39.
An SR flip flop can be built using
NOR gate only
NAND gate only
either NOR or NAND gates
neither NOR nor NAND gates
Answer: Option
Explanation:
No answer description is available. Let's discuss.

40.
Which one of the following is correct?
RAM is a volatile memory but ROM is non-volatile memory
RAM is non-volatile memory but ROM is volatile memory
Both ROM and RAM are volatile but in ROM data is not lost when power is switched off
Both ROM and RAM are non-volatile but in RAM data is lost when power is switched off
Answer: Option
Explanation:
No answer description is available. Let's discuss.