Which one of the options best describes the transformation of the 2-dimensional figure P to Q, and then to R, as shown? 
Operation 1: A clockwise rotation by 90° about an axis perpendicular to the plane of the figure
Operation 2: A reflection along a horizontal line
Operation 1: A counter clockwise rotation by 90° about an axis perpendicular to the plane of the figure
Operation 2: A reflection along a horizontal line
Operation 1: A clockwise rotation by 90° about an axis perpendicular to the plane of the figure
Operation 2: A reflection along a vertical line
Operation 1: A counter clockwise rotation by 180° about an axis perpendicular to the plane of the figure
Operation 2: A reflection along a vertical line
The output of a 2-input multiplexer is connected back to one of its inputs as shown in the figure. Match the functional equivalence of this circuit to one of the following options. 
In a 4-bit ripple counter, if the period of the waveform at the last flip-flop is 64 microseconds, then the frequency of the ripple counter in kHz is ______________. {(Answer in integer)}
Consider the following C code segment:
int x = 126, y = 105;
do {
if (x > y)
x = x - y;
else
y = y - x;
} while (x != y);
printf("%d", x);
The output of the given C code segment is ____________. (Answer in integer)
The following two signed 2’s complement numbers (multiplicand \( M \) and multiplier \( Q \)) are being multiplied using Booth’s algorithm:
| Multiplicand (\( M \)) | Multiplier (\( Q \)) |
|---|---|
| 1100 1101 1110 1101 | 1010 0100 1010 1010 |
The total number of addition and subtraction operations to be performed is __________. (Answer in integer)
The maximum value of \(x\) such that the edge between the nodes B and C is included in every minimum spanning tree of the given graph is __________ (answer in integer).
Consider the following C program
The value printed by the given C program is __________ (Answer in integer).