Electronics and Communication Engineering - Electronic Devices and Circuits
Exercise : Electronic Devices and Circuits - Section 3
- Electronic Devices and Circuits - Section 13
- Electronic Devices and Circuits - Section 24
- Electronic Devices and Circuits - Section 23
- Electronic Devices and Circuits - Section 22
- Electronic Devices and Circuits - Section 21
- Electronic Devices and Circuits - Section 20
- Electronic Devices and Circuits - Section 19
- Electronic Devices and Circuits - Section 18
- Electronic Devices and Circuits - Section 17
- Electronic Devices and Circuits - Section 16
- Electronic Devices and Circuits - Section 15
- Electronic Devices and Circuits - Section 14
- Electronic Devices and Circuits - Section 1
- Electronic Devices and Circuits - Section 12
- Electronic Devices and Circuits - Section 11
- Electronic Devices and Circuits - Section 10
- Electronic Devices and Circuits - Section 9
- Electronic Devices and Circuits - Section 8
- Electronic Devices and Circuits - Section 7
- Electronic Devices and Circuits - Section 6
- Electronic Devices and Circuits - Section 5
- Electronic Devices and Circuits - Section 4
- Electronic Devices and Circuits - Section 3
- Electronic Devices and Circuits - Section 2
11.
A 4 bit down counter starts counting from 1111 irrespective of modulus.
Answer: Option
Explanation:
The starting count depends on modulus. 4 bit decade down counter starts counting from 1010.
12.
The number of counter states which an 8 bit stair step A/D converter has to pass through before conversion takes place is equal to
Answer: Option
Explanation:
28 = 256.
13.
74 HC series can sink upto 4 mA. The 74 LS series has IIL(max) - 0.4 mA. How many 74 LS inputs be driven by 74 HC output?
Answer: Option
Explanation:
.
14.
An 8 bit transistor register has output voltage of low-high-low-high-low-high-low-high. The decimal number stored is
Answer: Option
Explanation:
01010101 in binary and 64 + 16 + 4 + 1 = 85 in decimal.
15.
The number of cells in a 4 variable K map is
Answer: Option
Explanation:
24 = 16.
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