Computer Organization and Architecture MCQs – Set 6
UGC NET Paper 2 Computer Science JUNE 2012 – Computer Organization and Architecture
101. Highest energy compaction transform is:
Computer Organization and Architecture • Signal Transforms • UGC NET Paper 2 Computer Science JUNE 2012
102. Match 8085 instr to flags: a.XCHG,b.SUB,c.STC,d.DCR – i.carry only;ii.no flags;iii.all except CY;iv.all
Computer Organization and Architecture • Assembly Language • UGC NET Paper 2 Computer Science JUNE 2012
103. How many times loop executes? LXI B,0007H;LOP: DCX B;MOV A,B;ORA C;JNZ LOP
Computer Organization and Architecture • Assembly Language • UGC NET Paper 2 Computer Science JUNE 2012
104. Add 0x87 + 0x79 in 8085: A result and S,Z,C flags?
Computer Organization and Architecture • Assembly Language • UGC NET Paper 2 Computer Science JUNE 2012
105. Technique to approximate halftones without losing spatial resolution is _________.
Computer Organization and Architecture • Graphics • UGC NET Paper 2 Computer Science JUNE 2012
106. Dot-matrix: char print=6 ms, space=2 ms, 200 chars/line. Speed & line time?
Computer Organization and Architecture • I/O Devices • UGC NET Paper 2 Computer Science JUNE 2012
107. Switch to supervisor mode best uses which interrupt?
Computer Organization and Architecture • Interrupts • UGC NET Paper 2 Computer Science JUNE 2012
108. Process of assigning load addresses and adjusting code/data is called
Computer Organization and Architecture • Linking & Loading • UGC NET Paper 2 Computer Science JUNE 2012
109. Cache=50 ns, MM=300 ns, 75% reads, hit=0.8 (read), write-through. Avg access time = ?_ (ns)
Computer Organization and Architecture • Memory Hierarchy • UGC NET Paper 2 Computer Science JUNE 2012
110. Arrange storage by increasing speed:
Computer Organization and Architecture • Memory hierarchy • UGC NET Paper 2 Computer Science JUNE 2012
111. Which is not an addressing mode?
Computer Organization and Architecture • Addressing modes • UGC NET Paper 2 Computer Science JUNE 2012
112. Which is not a program control instruction?
Computer Organization and Architecture • Assembly instructions • UGC NET Paper 2 Computer Science JUNE 2012
113. Using RSA with p=3,q=11,n=pq,d=7, ciphertext of “SUZANNE” is
Computer Organization and Architecture • Cryptography • UGC NET Paper 2 Computer Science JUNE 2012
114. Instruction sets can include zero-, one-, two-, three-address formats.
Computer Organization and Architecture • Instruction set • UGC NET Paper 2 Computer Science JUNE 2012
115. An interrupt from illegal instruction/data use is
Computer Organization and Architecture • Interrupts • UGC NET Paper 2 Computer Science JUNE 2012
116. Decimal value of signed two’s-complement 1101010₂ is
Computer Organization and Architecture • Number representation • UGC NET Paper 2 Computer Science JUNE 2012
117. Match RAID levels: (a) RAID 0 (b) RAID 1 (c) RAID 2 (d) RAID 3 — (i) Bit-interleaved parity (ii) Nonredundant striping (iii) Mirrored disks (iv) Error-correcting codes
Computer Organization and Architecture • Storage systems • UGC NET Paper 2 Computer Science JUNE 2012
118. The instruction `MOV CL,[BX][DI]+8` uses which addressing mode?
Computer Organization and Architecture • Assembly Addressing • UGC NET Paper 2 Computer Science JUNE 2012
119. HSV and HLS stand for ________
Computer Organization and Architecture • Color Models • UGC NET Paper 2 Computer Science JUNE 2012
120. Flip-flop power = 3 mW; a system with 4 flip-flops dissipates ________
Computer Organization and Architecture • Digital Circuits • UGC NET Paper 2 Computer Science JUNE 2012
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This quiz is for educational purposes only…