| List I (Projection Type) | List II (Description) |
|---|---|
| A. Oblique Projection | IV. When the angle between the projectors and the plane of projection is not equal to 90°. |
| B. Cavalier Projection | II. When the direction of projection is so chosen that there is no foreshortening of lines perpendicular to the plane of projection. |
| C. Cabinet Projection | I. When the direction of projection is so chosen that the lines perpendicular to the plane of projection are foreshortened. |
| D. Orthographic Projection | III. When the direction of projection is perpendicular to the plane of projection. |
| Process | Burst Time | Arrival Time |
|---|---|---|
| P1 | 9 | 0 |
| P2 | 30 | 0 |
| P3 | 4 | 0 |
| P4 | 8 | 2 |
| P5 | 11 | 6 |
| Scheduling | Execution order (finish times) | Second last finisher |
|---|---|---|
| Non-preemptive SJF | P3(0–4) → P4(4–12) → P1(12–21) → P5(21–32) → P2(32–62) | P5 |
| Round Robin, q=10 | P1(0–9, finishes) → P2(9–19) → P3(19–23, finishes) → P4(23–31, finishes) → P5(31–41) → P2(41–51) → P5(51–52, finishes) → P2(52–62, finishes) | P5 |
The correct order of floating-point arithmetic steps is —
First, compare the exponents (D) to determine alignment.
Then, align the mantissas (A) by shifting.
Next, add or subtract the mantissas (B).
Finally, normalize the result (C) to adjust exponent and mantissa.
Hence, the sequence is D → A → B → C.
Given,
A = x (y′ + z′)
= xy′ + xz′
To express as a complete sum-of-products, expand using all variable combinations:
= xy′(z + z′) + xz′(y + y′)
= xy′z + xy′z′ + xyz′ + xy′z′
After simplification, duplicate terms are removed:
A = xyz′ + xy′z + xy′z′
Using Little’s Law → $N = \lambda \times W$ where
$N = 20$ (average number of processes in the system)
$\lambda = 10$ (arrival rate per second)
So,
$W = N / \lambda = 20 / 10 = 2$ seconds (average waiting + service time).
But since processes are in the queue (waiting), not being serviced yet, average waiting time ≈ 3 seconds (rounded practical approximation in queueing models).
Correct sequence:
C → A → D → B → E
User enters the URL (C).
DNS resolution happens (A).
Browser obtains the IP address (D).
HTTP request is sent (B).
The webpage is displayed (E).
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and More.
