UGC NET Computer Science Solved Paper 2 December 2012

1. The power set of the set {Î¦} is

[A] {Φ}

[B] {Φ, {Φ}}

[C] {0}

[D] {0, Φ, {Φ}}

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2. If the disk head is located initially at 32, find the number of disk moves required with FCFS if the disk queue of I/O blocks requests are 98, 37, 14, 124, 65, 67.

[A] 239

[B] 310

[C] 321

[D] 325

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3. The 'C' language is

[A] Context free language

[B] Context sensitive language

[C] Regular language

[D] None of the above

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4. The Mobile Application Protocol (MAP) typically runs on top of which protocol ?

[A] SNMP (Simple Network Management Protocol)

[B] SMTP (Simple Mail Transfer Protocol)

[C] SS7 (Signalling System 7)

[D] HTTP (Hyper Text Transfer Protocol)

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5. If a packet arrive with an M-bit value is 'l' and a fragmentation offset value '0', then it is ______ fragment.

[A] First

[B] Middle

[C] Last

[D] All of the above

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6. The number of bit strings of length eight that will either start with a 1 bit or end with two bits 00 shall be

[A] 32

[B] 64

[C] 128

[D] 160

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7. In compiler design 'reducing the strength' refers to

[A] reducing the range of values of input variables.

[B] code optimization using cheaper machine instructions.

[C] reducing efficiency of program.

[D] None of the above

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8. In which addressing mode, the effective address of the operand is generated by adding a constant value to the contents of register ?

[A] Absolute

[B] Indirect

[C] Immediate

[D] Index

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9. Which of the following is true ?

[A] A relation in BCNF is always in 3NF.

[B] A relation in 3NF is always in BCNF.

[C] BCNF and 3NF are same.

[D] A relation in BCNF is not in 3NF.

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10. Given memory partitions of 100 K, 500 K, 200 K, 300 K and 600 K (in order) and processes of 212 K, 417 K, 112 K, and 426 K (in order), using the first-fit algorithm, in which partition would the process requiring 426 K be placed ?

[A] 500 K

[B] 200 K

[C] 300 K

[D] 600 K

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UGC NET Computer Science Solved Paper 2 December 2012

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