Worksheetsquize round 2
Total questions: 15
Worksheet time: 10mins
The octal representation of 195.25 is ?
(323.20)8
(303.20)8
(313.120)8
(303.02)8
The 2's complement of the binary number (11001100), is ?
(00110100)2
(00110000)2
(00110011)2
(11110100)2
If a small amount of phosphorus is added to germanium, then: ?
The conductivity decreases
Silicon becomes a P-type semiconductor
Phosphorus becomes an acceptor impurity
There will be more free electrons than holes
Electron mobility of the following intrinsic elements in descending order is ?
GaAs, Si, Ge
Si, Ge, GaAs
GaAs, Ge, Si
Ge, Si, GaAs
As the temperature is increased, the voltage across a diode carrying a constant current ?
remains constant
increases
decreases
may increase or decrease depending on the doping levels in the junction
The voltage stability with time of reference diodes incorporating Zener diodes is comparable to that of which of the following ?
Dry cells
Conventional standard cells
Nickel-cadmium cells
Lead-acid accumulator batteries
A PIN diode is frequently used as a ?
switching diode for frequencies up to GHz range
peak clipper
voltage regulator
harmonic generator
Kirchhoff's law is applicable to ?
d.c. circuits only
both a.c. and well d.c. circuits
passive networks only
a.c. circuits only
A network which contains one or more than one source of e.m.f. is known as ?
passive network
active network
linear network
non-linear network
A terminal where three or more branches meet is known as ?
combination
anode
node
terminus
Who is the father of C language?
a) Steve Jobs
b) James Gosling
c) Dennis Ritchie
d) Rasmus Lerdorf
Which of the following is true for variable names in C?
a) They can contain alphanumeric characters as well as special characters
b) It is not an error to declare a variable to be one of the keywords(like goto, static)
c) Variable names cannot start with a digit
d) Variable can be of any length
Which of the following declaration is not supported by C language?
a) String str;
b) char *str;
c) float str = 3e2;
d) Both “String str;” and “float str = 3e2;”
What is #include <stdio.h>?
a) Preprocessor directive
b) Inclusion directive
c) File inclusion directive
d) None of the mentioned
The father of Indian missile technology is _________________?
Dr Homi Bhabha
Dr Chidambaram
Dr U.R. Rao
Dr A.P.J. Abdul Kalam
