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Recent questions tagged nielit2021dec-scientistb

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NIELIT 2021 Dec Scientist B - Section B: 103
For a hamming code of parity bit $m=5,$ what is the total bits and data bits $?$ $(255,247)$ $(127,119)$ $(31,26)$ $(0,8)$
For a hamming code of parity bit $m=5,$ what is the total bits and data bits $?$$(255,247)$$(127,119)$$(31,26)$$(0,8)$
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63
NIELIT 2021 Dec Scientist B - Section B: 105
A sequence of statement of the form $x=y \; \text{op} \; z$ is called a $:$ Three address code Syntax tree Postfix notation Operator
A sequence of statement of the form $x=y \; \text{op} \; z$ is called a $:$Three address codeSyntax treePostfix notationOperator
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64
NIELIT 2021 Dec Scientist B - Section B: 106
One root of $x^{3} – x – 4 = 0$ lies in $(1, 2).$ In bisection method, after first iteration the root lies in the interval ___________ . $(1, 1.5)$ $(1.5, 2)$ $(1.25, 1.75)$ $(1.75, 2)$
One root of $x^{3} – x – 4 = 0$ lies in $(1, 2).$ In bisection method, after first iteration the root lies in the interval ___________ .$(1, 1.5)$$(1.5, 2)$$(1.25, 1....
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65
NIELIT 2021 Dec Scientist B - Section B: 107
If all transactions obey the _____________ then all possible interleaved schedules (non-serial schedules) are serializable. Lock based protocol Two phase Locking protocal Read-write lock based protocol Time stamp based protocol
If all transactions obey the _____________ then all possible interleaved schedules (non-serial schedules) are serializable.Lock based protocolTwo phase Locking protocalRe...
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67
NIELIT 2021 Dec Scientist B - Section B: 109
What does the following code do $?$ int a, b; a = a + b; b = a – b; a = a – b; leaves $a$ and $b$ unchanged $a$ doubles and stores in $a$ $b$ doubles and stores in $a$ Exchanges $a$ and $b$
What does the following code do $?$int a, b; a = a + b; b = a – b; a = a – b;leaves $a$ and $b$ unchanged$a$ doubles and stores in $a$$b$ doubles and stores in $a$Exc...
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NIELIT 2021 Dec Scientist B - Section B: 110
In _____________ machine is executing operating system instruction $:$ System mode User mode Normal mode Safe mode
In _____________ machine is executing operating system instruction $:$System modeUser modeNormal modeSafe mode
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69
NIELIT 2021 Dec Scientist B - Section B: 111
If the value of Register $\text{A = 9B h} \; \& \; \text{Carry} = 1.$ What will be the value of Register $\text{A}$ after executing the $\text{RORC}$ instruction $1$ time $?$ $\text{AB h}$ $\text{CD h}$ $\text{EF h}$ $\text{AC h}$
If the value of Register $\text{A = 9B h} \; \& \; \text{Carry} = 1.$ What will be the value of Register $\text{A}$ after executing the $\text{RORC}$ instruction $1$ time...
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NIELIT 2021 Dec Scientist B - Section B: 112
$\text{(a+b)}^{2}$ corresponds to the language $:$ $\text{ \{a+b, a+b\} }$ $\text{ \{aa, ab, ba, bb\} }$ $\text{ \{abab, baba\} }$ $\text{ \{a+b}, \text{(a+b)}^{2}\} $
$\text{(a+b)}^{2}$ corresponds to the language $:$$\text{ \{a+b, a+b\} }$$\text{ \{aa, ab, ba, bb\} }$$\text{ \{abab, baba\} }$$\text{ \{a+b}, \text{(a+b)}^{2}\} $
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NIELIT 2021 Dec Scientist B - Section B: 113
When a cache is $10 \; \text{times}$ faster than main memory, and the cache can be used $70 \%$ of the time, how much speed can be gained using cache $?$ $\simeq 10$ $\simeq 0.3$ $\simeq 0.7$ $\simeq 2.7$
When a cache is $10 \; \text{times}$ faster than main memory, and the cache can be used $70 \%$ of the time, how much speed can be gained using cache $?$$\simeq 10$$\sime...
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NIELIT 2021 Dec Scientist B - Section B: 114
If data stored in $\text{AC = 5F h}$ and $\text{DR = C2 h}$ what is value of $\text{AC}$ after $\text{AC$\wedge$DR}$ operation $?$ $9\text{D}$ $42$ $\text{DF}$ $\text{DE}$
If data stored in $\text{AC = 5F h}$ and $\text{DR = C2 h}$ what is value of $\text{AC}$ after $\text{AC$\wedge$DR}$ operation $?$$9\text{D}$$42$$\text{DF}$$\text{DE}$
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74
NIELIT 2021 Dec Scientist B - Section B: 116
Which notation gives the lower bound of a function $?$ $\Theta$ – notation $ \text{O}$ – notation $\Omega$ – notation None of the these
Which notation gives the lower bound of a function $?$$\Theta$ – notation$ \text{O}$ – notation$\Omega$ – notationNone of the these
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76
NIELIT 2021 Dec Scientist B - Section B: 118
Number of entity types participating in $\text{E – R}$ diagrams is represented by $:$ Degree of relationship Structure of relationship Instance of relationship Role of relationship
Number of entity types participating in $\text{E – R}$ diagrams is represented by $:$Degree of relationshipStructure of relationshipInstance of relationshipRole of rela...
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NIELIT 2021 Dec Scientist B - Section B: 119
Integration testing, Unit Testing & System Testing are _____________. Fundamental logic of Testing Level Testing Core Testing Testing Suites
Integration testing, Unit Testing & System Testing are _____________.Fundamental logic of TestingLevel TestingCore TestingTesting Suites
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NIELIT 2021 Dec Scientist B - Section A: 32
A cuboid of dimension $24 \; \text{cm} \times 9 \; \text{cm} \times 8 \; \text{cm}$ is melted and smaller cubes of side $3 \; \text{cm}$ are formed. Find how many such cubes can be formed $:$ $27$ $64$ $54$ $32$
A cuboid of dimension $24 \; \text{cm} \times 9 \; \text{cm} \times 8 \; \text{cm}$ is melted and smaller cubes of side $3 \; \text{cm}$ are formed. Find how many such cu...
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83
NIELIT 2021 Dec Scientist B - Section A: 35
He was not only accused of theft ____________ of conspiracy. rather but also but even rather than
He was not only accused of theft ____________ of conspiracy.rather but alsobut evenrather than
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NIELIT 2021 Dec Scientist B - Section A: 37
Each of these questions $(37-38)$ has an idiomatic expression followed by four options. Choose the one closest to its meaning. Talk shop $:$ Talk about once profession Talk about shopping Ridicule Treat lightly
Each of these questions $(37-38)$ has an idiomatic expression followed by four options. Choose the one closest to its meaning.Talk shop $:$Talk about once profession Talk...
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86
NIELIT 2021 Dec Scientist B - Section A: 38
Each of these questions $(37-38)$ has an idiomatic expression followed by four options. Choose the one closest to its meaning. Stick to once guns $:$ Remain faithful to the cause suspect something make something fail be satisfied
Each of these questions $(37-38)$ has an idiomatic expression followed by four options. Choose the one closest to its meaning.Stick to once guns $:$Remain faithful to the...
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87
NIELIT 2021 Dec Scientist B - Section A: 39
Identify the correct spelling out of the given options $:$ Managable Manageable Managaeble Managible
Identify the correct spelling out of the given options $:$ManagableManageableManagaeble Managible
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89
NIELIT 2021 Dec Scientist B - Section A: 41
Which of the following options is the closest in meaning to the word below $?$ $\text{DELETERIOUS}$ delaying glorious harmful graduating
Which of the following options is the closest in meaning to the word below $?$ $\text{DELETERIOUS}$delayinggloriousharmfulgraduating
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90
NIELIT 2021 Dec Scientist B - Section A: 42
The fisherman, ___________ the flood victims owed their lives, were rewarded by the govt. whom to which to whom to that
The fisherman, ___________ the flood victims owed their lives, were rewarded by the govt.whomto whichto whomto that
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