Rajasthan Technical Education Second Year Paper 2016 Concept of Digital Electronics
Digital Signal is having
(a) one level
(b) two level
(c) four level
(d) three level
Which is NOT a digital equipment ?
(a) Calculator
(b) Mobile phone
(c) Computer
(d) Analog multimeter
(S/N) ratio of digital signal
(a) higher than analog signal
(b) lower than analog signal
(c) equal to analog signal
(d) None of these
Decimal number system are having symbols
(a) 8
(b) 16
(c) 10
(d) 2
How many Alpha numeric symbols are represented by ASCII-7 code ?
(a) 128
(b) 256
(c) 156
(d) 255
Excess-3 code and Gray codes are examples of
(a) Weighted code
(b) Non-Weighted code
(c) ASCII Code
(d) Hamming code
When sign bit of binary number is 1 then number should be
(a) positive number
(b) negative number
(c) neutral number
(d) none of these
15 is represented in hexadecimal number is
(a) A
(b) B
(c) F
(d) C
Which is Error Detector code ?
(a) Gray code
(b) BCD code
(c) Hamming code
(d) Excess – 3 code
Full form of VLSI is
(a) Very Large Scale Integration
(b) Very Low Scale Integration
(c) Very Long Scale Integration
(d) Very Long Same Integration
Which gate is universal gate ?
(a) AND gate
(b) OR gate
(c) NOR gate
(d) NOT gate
Which is commutative law ?
(a) A+B = B+A
(b) A+B = A.B
(c) A.B = A+B
(d) None of these
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