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Electronics and Communication Engineering - Digital Electronics

Exercise : Digital Electronics - Section 12
41.
In 8085, to disable the whole interrupt system (except TRAP)
the DI instruction may be used
the DO instruction may be used
the INTERRUPT instruction may be used
the El instruction may be used
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
The reason for glitches on the outputs of decoding gates on a synchronous counter is
FFs changing states together
FFs changing states one at a time
AND gates not functioning properly
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
EEPROM is also known as
UVPROM
EAPROM
both UVPROM and EAPROM
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
The MOS symbols shown indicates:
  1. that it is depletion type
  2. that it is enhancement type
  3. that it is n channel
  4. that it is p channel
  5. that electrons flow from D to S
  6. that holes flow from D to S
The only true statements are
1, 3, 6
2, 4, 6
1, 3, 5
2, 3, 6
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
As compared to TTL, CMOS logic has
higher speed of operation
higher power dissipation
smaller physical size
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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