PGT Computer Science (Level-3), (HTET Practice MCQs) (Part-III)

Total Questions: 100

1. An actor in an animation is a small program invoked __________ per frame to determine the characteristics of some object in the animation.

Correct Answer: A. once

2. Bresenham line drawing algorithm is attractive because it uses

Correct Answer: B. Integer arithmetic only

3. The refresh rate above which a picture stops flickering and fuses into a steady image is called ___________ .

Correct Answer: C. Critical fusion frequency

4. In homogenous coordinate system (x, y, z) the points with z = 0 are called

Correct Answer: D. Point at infinity

5. If 40 black lines interleaved with 40 white lines can A. Shielded Twisted pair cable be distinguished across one inch, the resolution is

Correct Answer: A. 40 line-pairs per inch

6. Images tend to be very large collection of data. The size of memory required for a 1024 by 1024 image in which the colour of each pixel is represented by a n-bit number, (in an 8-bit machines) is

Correct Answer: B. n / 8 MB

7. Arrays in C language can have __________ with reference to memory representation.

Correct Answer: C. only one subscript

8. Refer the points as listed below:

(a) What are the operator precedence rules?
(b) What are the operator associativity rules?
(c) What is the order of operand evaluation?
(d) Are there restrictions on operand evalua-tion side effects?
Which of the above must be considered as primary design issues for arithmetic expressions?

Correct Answer: D. (a), (b), (c) and (d)

9. Horn clauses are special kinds of propositions which can be described as

Correct Answer: D. A single atomic proposition on left side or an empty left side.

10. Which of the following is/are the fundamental semantic model(s) of parameter passing?

Correct Answer: D. All of the above