UGC NET DEC 2013 Part 3 Computer Applications Paper Questions

# Recent questions tagged ugcnetdec2013iii

1
Possible thread states in Windows 2000 operating system include: Ready, running and waiting Ready, standby, running, waiting, transition and terminated Ready, running, waiting, transition and terminated Standby, running, waiting, transition and terminated
2
Which of the following commands would return process_id of sleep command? Sleep 1 and echo $? Sleep 1 and echo$# Sleep 1 and echo $\$\times$Sleep 1 and echo$!
3
The directory structure used in Unix file system is called Hierarchical directory Tree structured directory Directed acrylic graph Graph structured directory
4
Simplest way of deadlock recovery is Roll back Preempt resource Lock one of the processes Kill one of the processes
5
Translation Look-aside Buffer (TLB) is a cache-memory in which item to be searched is compared one-by-one with the keys a cache-memory in which item to be searched is compared with all the keys simultaneously An associative memory in which item to be searched is compared one-by-one with the keys An associative memory in which item to be searched is compared with all the keys simultaneously
6
To place a sound into a word document, following feature of windows is used Clip board Task switching C Win App OLE
7
In windows 2000 operating system all the processor-dependent code is isolated in a dynamic link library called NTFS file system Hardware abstraction layer Microkernel Process Manger
8
In Unix, how do you check that two given strings a and b are equal? test $\$ $a -eq$ \b test $\$ $a -equal$ \b test $\$ $a =$ \b Sh-C test $\$ $a ==$ \b
9
What steps shall be required to rotate an object from point $P_1$ (as shown in fig. 1) and its placement such that what was at $P_1$ is now reduced and is at $P_2$ (as shown in fig. 2)? Translate $P_1$ to origin Scale as required Rotate Translate to the final position $P_2$ I, II and III II, III and IV I, III and IV All of the above
10
The transformation required for conversion of CMY colour model to RGB colour model is given as: $\begin{bmatrix} R \\ G \\ B \end{bmatrix} = \begin{bmatrix} C \\ M \\ Y \end{bmatrix} - \begin{bmatrix} 1 \\ 2 \\ 3 \end{bmatrix}$ ...
11
Which of the following points lies on the same side as the origin, with reference to the line 3x+7y=2? (3, 0) (1, 0) (0.5, 0.5) (0.5, 0)
12
Given below are three basic rules: Squash and Stretch Slow-in and Slow-out To stage the action properly These rules are applied in case of Rendering Morphing Animation All of the above
13
Which of the following statements is (are) true? Two successive translations are additive Two successive relations are additive Two successive scaling operations are multiplicative I and II I and III II and III All of the above
14
Which of the following is not true with respect to to a trackball and/or spaceball? A trackball is a two dimensional positioning device while as a spaceball provides six degrees of freedom Unlike the trackball a spaceball does not actually move A trackball is a three dimensional positioning device while as a spaceball provides six degrees of freedom I and II II and III II only III only
15
Match the following: ... a-i, b-ii, c-iv, d-iii a-ii, b-i, c-iv, d-iii a-i, b-iii, c-iv, d-ii a-ii, b-iv, c-i, d-iii
16
Armstrong (1974) proposed systematic approach to derive functional dependencies. Match the following w.r.t functional dependencies: $\begin{array}{|l|l|l|l|} \hline & \textbf{List-I} && \textbf{List -II} \\ \hline \text{a.} & \text{Decomposition Rule} & \text{i.} & \text{If$X \rightarrow Y$and$Z \rightarrow W ... ii, c-iv, d-i a-i, b-iii, c-iv, d-ii a-ii, b-i, c-iii, d-iv a-iv, b-iii, c-i, d-ii
17
Consider the table student (stuid, name, course, marks). Which one of the following two queries is correct to find the highest marks student in course 5? Q.1. Select S.stuid from student S where not exist (select * from student e where e course ='5' and e marks $\geq$ s marks) Q.2 ... .marks > any (select distinct marks from student S where s.course =5) Q.1 Q.2 Both Q.1 and Q.2 Neither Q.1 nor Q.2
18
Consider the following schemas: Branch=(Branch-name, Assets, Branch-city) Customer = (Customer-name, Bank name, Customer-city) Borrow = (Branch-name, Loan number, Customer account-number) Deposit = (Branch-name, Account-number, Customer-name, Balance) Using relational Algebra, the Query ... $\sigma_{customer-name} (\pi_{balance > 10000^{(Borrow)}}$)
19
Consider the following ER diagram: The minimum number of tables required to represent M, N, P, R$_1$, R$_2$ is 2 3 4 5
20
What will be output of the following logic diagram ? x $\text{OR}$ y x $\text{AND}$ y x $\text{XOR}$ y x $\text{XNOR}$ y
21
Synchronization is achieved by a timing device called a ______ which generates a periodic train of __________. clock generator, clock pulse master generator, clock pulse generator, clock master clock generator, clock pulse
22
Which of the following is a design criteria for instruction formats? The size of instructions The number of bits in the address fields The sufficient space in the instruction format to express all the operands desired All of these
23
Match the following: ... a-ii, b-i, c-iv, d-iii a-ii, b-iv, c-i, d-iii a-iii, b-iv, c-i, d-ii a-iii, b-i, c-iv, d-ii
24
____ is a type of transmission impairment in which the signal looses strength due to the resistance of the transmission medium Attenuation Distortion Noise Decibel
25
The start and stop bits are used in serial communication for error detection error correction synchronization slowing down the communication
26
A client-server system uses a satellite network, with the satellite at a height of 40,000 kms. What is the best-case delay in response to a request? (Note that the speed of light in air is 3,00,000 km/second) 133.33 m sec 266.67 m sec 400.00 m sec 533.33 m sec
27
Which layer of OSI reference model is responsible for decomposition of messages and generation of sequence numbers to ensure correct re-composition from end to end of the network? Physical Data-link Transport Application
28
In IPV 4, the IP address 200.200.200.200 belongs to Class A Class B Class C Class D
29
What is the bit rate for transmitting uncompressed 800 $\times$ 600 pixel colour frames with 8 bits/pixel at 40 frames/second? 2.4 Mbps 15.36 Mbps 153.6 Mbps 1536 Mbps
The Greibach normal form grammar for the language $L=\{a^n b^{n +1} \mid n \geq 0 \}$ is $S \rightarrow a \, SB, B \rightarrow bB \mid \lambda$ $S \rightarrow a \, SB, B \rightarrow bB \mid b$ $S \rightarrow a \, SB \mid b, B \rightarrow b$ $S \rightarrow a \, Sb \mid b$