A silicon transistor is biased with base resistor method. If ß=100, VBE =0.7 V, zero signal collector current IC = 1 mA and VCC = 6V , what is the value of the base resistor RB ?
(A) 105 kO
(B) 530 kO
(C) 315 kO
(D) None of the above
When the temperature changes, the operating point is shifted due to _______________?
(A) Change in ICBO
(B) Change in VCC
(C) Change in the values of circuit resistance
(D) None of the above
The stabilisation of operating point in potential divider method is provided by_______________?
(A) RE consideration
(B) RC consideration
(C) VCC consideration
(D) None of the above
In the design of a biasing circuit, the value of collector load RC is determined by__________________?
(A) VCE consideration
(B) VBE consideration
(C) IB consideration
(D) None of the above
For germanium transistor amplifier, VCE should_______________for faithful amplification?
(A) Be zero
(B) Be 0.2 V
(C) Not fall below 0.7 V
(D) None of the above
Consider the representation of six-bit numbers by two’s complement, one’s complement, or by sign and magnitude: In which representation is there overflow from the addition of the integers 011000 and 011000 ?
(A) Two’s complement only
(B) Sign and magnitude and one’s complement only
(C) Two’s complement and one’s complement only
(D) All three representations
Digital computers are more widely used as compared to analog computers, because they are______________?
(A) less expensive
(B) always more accurate and faster
(C) useful over wider ranges of problem types
(D) easier to maintain
The binary code of (21.125)10 is_______________?
(A) 10101.001
(B) 10100.001
(C) 10101.010
(D) 10100.111