List of top Questions asked in GATE CS

Which one is false ?

Grammar to be parsed by SLR parser {a, b, c, d, #, @
S'\(→\)S
S \(→\) SS |Aa| bAc | Bc | bAb
A \(→\) d#
B \(→\) @
(Closure { S'\(→\).S})
The number of items in goto Io on input S.

Given f(x)=1-f(2-x), then ∫20 f(X)dx=?

int g(int p)
{
     printf("%d", p);
     return p;
}
int h(int q)
{
     printf("%d", q);
     return q;
}
void f(int x, int y)
{
     g(x);
     h(y);
}
int main ()
     f(g(10), h(20));
}
What is the o/p printed ? (parameters all evaluated from left to right)

Which of the following sequences of output can be generated?

Choose the correct option: \((224)_5\)

Largest among all in a single precision

Instruction format has the following structure.Instruction number OPCODE destination Source \(1\) and Source \(2\).
\(I_1:\) Div \(R_3 R_1 R_2;\)
\(I_2:\) Sub \(R_5 R_3 R_4;\)
\(I_3:\) Add \(R_3 R_5 R_6;\)
\(I_4:\) Mul \(R_7 R_3 R_8;\)

Consider an ethernet segment whose transmission is \(10^8\) bits per second. Maximum segment length \(500\ m\), speed of the provocation media velocity is \(2 × 10^8\) meter per second. What is the minimum frame size in bits ?

Which one of the following CIDR profix exactly represent the range of IP addresses 10.12.2.0 to 10.12.3.255?

Which of the following fields of IP header is/are always modified by any router before it forwards to IP Packet ?