List of top Atmospheric Science Questions

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Optical disk drives are slower than magnetic disk drives. Reason (R): In optical disk, each sector has the same length regardless of its position from the center. In the light of the above statements, choose the most appropriate answer from the options given below :

Which one of the following is NOT a component of database management system?

Which one of the following is INCORRECT about Input Unit of a Computer ?

The octal equivalent of Binary 101110010 is:

The decimal equivalent of hexadecimal 3AF is:

Which one of the following is a feature of CPU-bound jobs?

The complement of \( 27_{10} \) is :

Consider the following statements about set:
A. $35 \in \{x : x \text{ has exactly four positive factors}\}$}
B. $128 \in \{y : \text{the sum of all positive factors of } y \text{ is } 4y\}$}
C. $3 \notin \{x : x^4 - 5x^3 + 2x^2 - 112x + 6 = 0\}$}
D. $28 \in \{y : \text{the sum of all positive factors of } y \text{ is } 2y\}$} Choose the correct answer from the options given below:

Let $y_{1}=e^{-x} cosx, y_{2}=e^{-x} sinx$. Choose the correct statements out of the following:
A. the Wronskian determinant is zero
B. the Wronskian determinant is $e^{-2x}$}
C. $y_{1}$ and $y_{2}$ are linearly dependent}
D. $y_{1}$ and $y_{2}$ are linearly independent} Choose the correct answer from the options given below:

The Electronic Discrete Variable Automatic Computer (EDVAC) is built by:

File extension '.txt' means:

Which one of the following is not I/O device ?

Which one of the following is CORRECT about selection logic?

The values of x, y, z and 'a' which satisfy the matrix equation $\begin{bmatrix}x+3& 2y+x \\ z-1& 4a-6\end{bmatrix}=\begin{bmatrix}0& -7 \\ 3& 2a\end{bmatrix},$ respectively, are:

Let $y=A~cos(x)+B~sin(x)$ the differential equation by eliminating A and B constants is given by:

The integrating factor of following differential equation is : $\frac{dy}{dx}-\frac{3x^{2}-1}{x^{3}-x}y=x^{2}-1$}

Consider the function $f(x)$ for an interval $(-\pi,\pi)$ then which one of the following is NOT correct Dirichlet's condition for a Fourier series?

The determinant of the matrix $\begin{bmatrix}3 & -1& -2\\0& 0& -1\\3 & -5& 0\end{bmatrix}$ is:

The equation of a sphere is $3x^{2}+3y^{2}+3z^{2}+12x+18y+24z+30=0.$ The centre and radius of sphere, respectively, are:

Consider the following statements about matrix:
A. If A is an orthogonal matrix, then $|A|=1$
B. The inverse of an orthogonal matrix is non-orthogonal.
C. The transpose of an orthogonal matrix is orthogonal.
D. If A and B are two orthogonal matrix, then AB is non-orthogonal. Choose the correct answer from the options given below:

The Laplace transform of function $f(t)=t^{3}$ is:

If $a = cos\theta + i \cdot sin\theta$ then $1+a^{2}$ is:

For $6x^2 - 12y^2 = -36$ hyperbola, the lengths of conjugate axis and latus-rectum, respectively, are:

The imaginary part of $tanh(x+iy)$ is:

If $A = \{1, 3, 7, 9, 11\}$ and $B = \{3, 9, 12, 15, 18\}$ then $A \cap B$ is: