Education makes a door to bright future
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Education is a way to success in life
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Education is a best friend goes lifelong
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Education makes a person a responsible citizen
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Education is a key to the door of all the dreams
University admission and others information,International Scholarships, Postgraduate Scholarships, College Scholarship, Study Abroad Financial Aid, Scholarship Search Center and Exam resources for PEC, JSC, SSC, HSC, Degree and Masters Examinees in Bangladesh with take from update sports News, Live score, statistics, Government, Private, current Job Circular take from this site
Tuesday, October 7, 2014
Update Computers Questions and Answer for all student
Today’s Computers Basic Questions and Answer
C. Both A and B D. none of these
C. Spooler D. all of the above
C. High paging rates D. Any of the above
B. Allows many programs to use memory simultaneously
C. Allows each program in turn to use the memory
D. Does not work with overlaying
C. Data D. None
Computer Science questions and answers for interview
1.
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A triangular-wave oscillator can consist of
an op-amp comparator, followed by a (n)
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Answer: Option C
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2.
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The circuits in the 8085 that provide the
arithmetic and logic functions are called the __________.
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Answer: Option B
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3.
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The unit for frequency is the
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Answer: Option A
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4.
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What is the standard TTL noise margin?
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Answer: Option D
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5.
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A pn junction allows current flow
when
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Answer: Option A
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6.
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In a PLL, to obtain lock, the signal
frequency must:
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Answer: Option C
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7.
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Typical isolation amplifiers use optical
coupling.
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Answer: Option B
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8.
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The largest branch resistance in a parallel
circuit carries the largest branch current.
|
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Answer: Option B
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9.
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The input impedance is ______ for the
amplifier in the given circuit. The data sheet values are Zin = 3
M, Zout
= 80 , and Aol
= 250,000.
|
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Answer: Option A
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10.
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A virtual ground is a(n) ______ ground
because this point is at zero volts.
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Answer: Option B
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11.
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A NAND gate has:
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||||||||||||||||
Answer: Option C
|
12.
|
What is the current through the capacitor in
the given circuit?
|
||||||||||||||||
Answer: Option A
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13.
|
The 555 timer can be used in either the
bistable mode or the monostable mode.
|
||||||||
Answer: Option B
|
14.
|
A transformer turns ratio of ________ will
be needed to match an output impedance of 5 k to an 8 speaker.
|
||||||||||||||||
Answer: Option C
|
15.
|
In a transistor, collector current is
controlled by:
|
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Answer: Option B
|
16.
|
A 24 V peak source is connected across a 900
H inductor. If the
frequency of the source is 22 kHz, what is the reactive power?
|
||||||||||||||||
Answer: Option A
|
17.
|
VCE
approximately equals _______ when a transistor is in saturation.
|
||||||||||||||||
Answer: Option C
|
18.
|
If a 100 resistance is
connected to a 100 capacitive
reactance in a series RC circuit, the impedance equals 200 .
|
||||||||
Answer: Option B
|
19.
|
To reduce the number of pins on the IC
package, manufacturers often use ___________.
|
||||||||||||||||
Answer: Option B
|
20.
|
What is the voltage across the inductor in
the given circuit on the falling edge of the first input pulse?
|
||||||||||||||||
Answer: Option A
|