7000+ Digital Electronics MCQ Quiz Questions and Answers Pdf - 2
Question: 6
A semiconductor material is formed by
(A) metallic bonds
(B) electrovalent bonds
(C) covalent bonds
(D) none of the above
Ans: C
covalent bonds
Question: 7
The following are the necessary requirements of an oscillator
(A) amplitude stability
(B) frequency stability
(C) power stability
(D) both a and b
Ans: D
both a and b
Question: 8
A.C. Voltage regulators are widely used in
(A) slip power recovery scheme of slip ring inductor motor
(B) synchronous motor drives
(C) traction drives
(D) fan drives
Ans: D
fan drives
Question: 9
Example of a voltage clamping device
(A) fast acting fuse
(B) snubber circuit
(C) aluminum block
(D) metal oxide varistor
Ans: D
metal oxide varistor
Question: 10
A microprocessor has 24 address lines and 32 data lines. If its uses 10 bits of opcode, the size of its memory buffer register is
(A) 14 bits
(B) 22 bits
(C) 32 bits
(D) 24 bits
Ans: D
24 bits
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