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Recent questions tagged nielit-scb-2020

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92
NIELIT Scientist B 2020 November: 112
Let $X_1,\dots X_{50}$ be independent random variables following $N(0,1)$ distribution. Let $\Sigma _{i=1}^{50} X^2_i,$ and $E(Y)=a$ and $Var(Y)=b.$ Then, the ordered pair $(a,b)$ is: $(50,100)$ $(50,50)$ $(25,50)$ $(25,100)$
Let $X_1,\dots X_{50}$ be independent random variables following $N(0,1)$ distribution.Let $\Sigma _{i=1}^{50} X^2_i,$ and $E(Y)=a$ and $Var(Y)=b.$ Then, the ordered pair...
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94
NIELIT Scientist B 2020 November: 114
A special $PCM$ system uses $32$ channels of data, one whose purpose is an identification (ID) and synchronization. The sampling rate is $4$ kHz. The word length is $5$ bits. Find the serial data rate. $1280\;kHz$ $160\;kHz$ $320 \;kHz$ $640 \;kHz$
A special $PCM$ system uses $32$ channels of data, one whose purpose is an identification (ID) and synchronization. The sampling rate is $4$ kHz. The word length is $5$ b...
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95
NIELIT Scientist B 2020 November: 115
Considering binary relationships, possible cardinality ratios are: one:one $1:N$ $M:N$ All the options
Considering binary relationships, possible cardinality ratios are:one:one$1:N$$M:N$All the options
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97
NIELIT Scientist B 2020 November: 117
You are working with a network that is $172.16.0.0$ and would like to support $600$ hosts per subnet. What subnet mask should you use? $255.255.192.0$ $255.255.224.0$ $255.255.252.0$ None of the options
You are working with a network that is $172.16.0.0$ and would like to support $600$ hosts per subnet. What subnet mask should you use?$255.255.192.0$$255.255.224.0$$255.2...
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98
NIELIT Scientist B 2020 November: 118
The number of $4$ digit numbers which contain not more than two different digits is: $576$ $567$ $513$ $504$
The number of $4$ digit numbers which contain not more than two different digits is:$576$$567$$513$$504$
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1 votes
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99
NIELIT Scientist B 2020 November: 119
___________________ is automatically loaded and operates as part of browser. Add-ons Plug-ins Utilities Widgets
___________________ is automatically loaded and operates as part of browser.Add-onsPlug-insUtilitiesWidgets
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1 votes
2 answers
100
NIELIT Scientist B 2020 November: 120
One-megabyte memory storage in form of bytes is equal to ___________ $1024$ bytes $1024^2$ bytes $1024^3$ bytes $1024^4$ bytes
One-megabyte memory storage in form of bytes is equal to ___________$1024$ bytes$1024^2$ bytes$1024^3$ bytes$1024^4$ bytes
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102
NIELIT Scientist B 2020 November: 2
Study the following graph and the table and answer the question given below. (Data of different states regarding population of states in the year 2018) The number of males in $F$ in the year 2018 is ______. $294650$ $294840$ $301470$ $301200$
Study the following graph and the table and answer the question given below. (Data of different states regarding population of states in the year 2018)The number of males...
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106
NIELIT Scientist B 2020 November: 6
A solid cube of each side $8\;cm$, has been painted red, blue and black on pairs of opposite faces. It is then cut into cubical blocks of each side $2\:cm$. How many cubes have no face painted? $0$ $4$ $8$ $12$
A solid cube of each side $8\;cm$, has been painted red, blue and black on pairs of opposite faces. It is then cut into cubical blocks of each side $2\:cm$. How many cube...
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2 votes
1 answer
107
NIELIT Scientist B 2020 November: 7
Find out the alternative figure which contains the given figure as its part.
Find out the alternative figure which contains the given figure as its part.
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109
NIELIT Scientist B 2020 November: 9
Which of these statements reflects a contrast between two flowers? This tulip is as colourful as a rose This tulip does not smell as bad as a daffodil This tulip turns towards light just like sunflower This tulip is grown in bunches, like a lotus
Which of these statements reflects a contrast between two flowers?This tulip is as colourful as a roseThis tulip does not smell as bad as a daffodilThis tulip turns towar...
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2 votes
1 answer
111
NIELIT Scientist B 2020 November: 11
Identify the figure that completes the pattern.
Identify the figure that completes the pattern.
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2 votes
1 answer
113
NIELIT Scientist B 2020 November: 13
If $X$ says that his mother is the only daughter of$Y’s$ mother, then how is $Y$ related to $X$? Brother Son Uncle Father
If $X$ says that his mother is the only daughter of$Y’s$ mother, then how is $Y$ related to $X$?BrotherSonUncleFather
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2 answers
114
NIELIT Scientist B 2020 November: 14
Choose the missing terms out of the given alternatives. $\text{EJO, TYD, INS, XCH, _____?}$ $NRW$ $MRW$ $MSX$ $NSX$
Choose the missing terms out of the given alternatives.$\text{EJO, TYD, INS, XCH, _____?}$$NRW$$MRW$$MSX$$NSX$
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