1061. For a shear in the y-direction relative to xref with factors Shx, Shy: x′=?, y′=?

Computer Organization and Architecture • 2D Transformations: Shearing • JULY 2016

1062. 8085 microprocessor has how many hardware interrupts?

Computer Organization and Architecture • 8085 Architecture • JULY 2016

1063. After 8085 code `MVI A,42H; MVI B,05H; UGC: ADD B; DCR B; JNZ UGC; ADI 25H; HLT`, accumulator holds?

Computer Organization and Architecture • 8085 Assembly • JULY 2016

1064. In 8085, which performs HL = HL + DE?

Computer Organization and Architecture • 8085 Instruction Set • JULY 2016

1065. Addressing mode like register indirect but with offset is?

Computer Organization and Architecture • Addressing Modes • JULY 2016

1066. In ____, writes go to both cache and main memory in parallel.

Computer Organization and Architecture • Cache Write Policies • JULY 2016

1067. Window LL=(−5,1), UR=(3,7). Which segments are Cohen–Sutherland candidates? A:(−6,2)→(−1,8); C:(−1,5)→(4,8); E:(−2,3)→(1,2).

Computer Organization and Architecture • Clipping Algorithms: Cohen–Sutherland • JULY 2016

1068. Which about curve generation is correct? I. Hermite uses interpolation. II. Bézier uses approximation. III. Bézier lies within convex hull. IV. Bézier degree independent of control points.

Computer Organization and Architecture • Curve Generation: Splines & Bézier • JULY 2016

1069. In Bresenham’s circle algorithm for the first octant, if current point (xᵢ,yᵢ) and decision pᵢ ≥ 0, next (xᵢ₊₁,yᵢ₊₁) and pᵢ₊₁ are:

Computer Organization and Architecture • Discrete Structures & Algorithms: Bresenham’s Circle • JULY 2016

1070. The IEEE-754 double-precision format uses how many bits in total?

Computer Organization and Architecture • Floating-Point Representation • JULY 2016

1071. 256-CPU multicomputer as 16×16 grid worst-case message hops = ?

Computer Organization and Architecture • Interconnection Networks • JULY 2016

1072. Register storing all interrupt requests is called?

Computer Organization and Architecture • Interrupt Handling • JULY 2016

1073. Pipelining improves performance by .

Computer Organization and Architecture • Pipelining • JULY 2016

1074. In perspective projection, a segment crossing the viewer’s position maps to an infinite broken line on the image plane. This is called:

Computer Organization and Architecture • Projection: Perspective Distortions • JULY 2016

1075. In a positive-edge-triggered JK flip-flop, if J=K=1 what happens at the rising clock edge?

Computer Organization and Architecture • Sequential Circuits – Flip-Flops • JULY 2016

1076. Which is a sequential circuit?

Computer Organization and Architecture • Sequential vs Combinational • JULY 2016

1077. If N users share secret-key encryption, number of keys required is?

Data Communication and Computer Networks • Cryptography – Symmetric Keys • JULY 2016

1078. 100 pages/min, 24 lines×80 chars×8 bits/char. Required bit rate?

Data Communication and Computer Networks • Data Rate Calculations • JULY 2016

1079. Encrypt “EXTRANET” by columnar transposition with key 3 5 2 1 4 using ‘Z’ padding. Cipher text is:?

Data Communication and Computer Networks • Data Security: Transposition Cipher • JULY 2016

1080. Match: (a) Line coding (b) Block coding (c) Scrambling (d) PCM → (i) analog→digital (ii) sync without extra bits (iii) digital data→digital signal (iv) redundancy+error detection.

Data Communication and Computer Networks • Digital Transmission Techniques • JULY 2016