Java Programming Mock Test 16

Transactions are used to treat sets of SQL statements atomically.

1 Mark(s)

Your Answer:

True True
False False

The ODBC core API consists of which of the following functions?

1 Mark(s)

Your Answer:

Commit or rollback transactions only Commit or rollback transactions only
Connect to data sources with driver-specific information only
Connect to data sources only Connect to data sources only
Both 1 and 3 above are in the OBDC core API

Which one of the following namespaces contains the definition for IdbConnection ?

1 Mark(s)

Your Answer:

System.Data.Interfaces System.Data.Interfaces
System.Data.Connection System.Data.Connection
System.Data.Common System.Data.Common
System.Data System.Data

What will be the output of the following Python code? l=[-2, 4] m=map(lambda x:x*2, l) print(m)

1 Mark(s)

Your Answer:

[-4, 16] [-4, 16]
Address of m Address of m
Error Error
-4 16 -4 16

1atm is equals to:

1 Mark(s)

Your Answer:

120 torr 120 torr
760 torr 760 torr
234 torr 234 torr
520 torr 520 torr

The primary device that a computer uses to store information ____________________?

1 Mark(s)

Your Answer:

TV TV
Storehouse Storehouse
Desk Desk
Hard drive Hard drive

Which of the following formatting options can be used in order to add 'n' blank spaces after a given string 'S'?

1 Mark(s)

Your Answer:

print("-ns"%S) print("-ns"%S)
print("-ns"%s) print("-ns"%s)
print("%ns"%S) print("%ns"%S)
print("%-ns"%S) print("%-ns"%S)

Which of these is a a type of sound file?

1 Mark(s)

Your Answer:

.DAT files .DAT files
.LOG files .LOG files
.DRV files .DRV files
.WAV files .WAV files

In drawing aggregate, upper cylinders are called as:

1 Mark(s)

Your Answer:

Pressure cylinders Pressure cylinders
Draft cylinders Draft cylinders
Drawing cylinder Drawing cylinder
Cylinders Cylinders

Animals which hunt at night and can see in dark nights are:

1 Mark(s)

Your Answer:

cats cats
owl owl
fox fox
all of them all of them

The idea of Return to Zero (RZ) and Non-Return to Zero-Level (NRZ-L) are combined into the:

1 Mark(s)

Your Answer:

manchester manchester
Differential Manchester Differential Manchester
multilevel bipolar transition multilevel bipolar transition
multi transition scheme multi transition scheme

What is the purpose of the ctrl + ] shortcut key in applications like MS Word?

1 Mark(s)

Your Answer:

Increase font size Increase font size
Decrease font size Decrease font size
Increase paragraph spacing Increase paragraph spacing
Close the document Close the document

In case of non-static member functions how many maximum object arguments a unary operator overloaded function can take?

1 Mark(s)

Your Answer:

1 1
2 2
3 3
0 0

What will be the output of the following C code? #include <stdio.h> void foo( int[] ); int main() { int ary[4] = {1, 2, 3, 4}; foo(ary); printf("%d ", ary[0]); } void foo(int p[4]) { int i = 10; p = &i; printf("%d ", p[0]); }

1 Mark(s)

Your Answer:

10 10 10 10
Compile time error Compile time error
10 1 10 1
Undefined behaviour Undefined behaviour

Orbital speed of Venus is:

1 Mark(s)

Your Answer:

35.0 Km/s 35.0 Km/s
47.9 Km/s 47.9 Km/s
13.1 Km/s 13.1 Km/s
29.8 Km/s 29.8 Km/s

What is the size of myArray in the code shown below? (Assume that 1 character occupies 1 byte) typedef char x[10]; x myArray[5];

1 Mark(s)

Your Answer:

5 bytes 5 bytes
10 bytes 10 bytes
40 bytes 40 bytes
50 bytes 50 bytes

What will be the output if we execute the following C++ code and pass the given arguments on the terminal? #include usingnamespace std; int main(intargc, charconst*argv[]) { for(int i=0;i usingnamespace std; int main(intargc, charconst*argv[]) { for(int i=0;i

1 Mark(s)

Your Answer:

./output Hello World ./output Hello World
Hello World Hello World
program.cpp Hello program.cpp Hello
program.cpp Hello World program.cpp Hello World

What is the primary purpose of the Hadoop YARN ResourceManager?

1 Mark(s)

Your Answer:

Manages computation resources Manages computation resources
Manages storage layer Manages storage layer
Executes MapReduce jobs Executes MapReduce jobs
Manages Hadoop ecosystem tools Manages Hadoop ecosystem tools

Generalization of the group by construct is supported by SQL to perform the:

1 Mark(s)

Your Answer:

all operation all operation
commit operation commit operation
rollup operation rollup operation
null operation null operation

Good electrical conductors allow the current pass through which is very:

1 Mark(s)

Your Answer:

high high
low low
constant constant
medium medium

Diameter of carrier bead from photocopying machine is about:

1 Mark(s)

Your Answer:

0.3 mm 0.3 mm
2 mm 2 mm
1.5 mm 1.5 mm
0.05 mm 0.05 mm

Incorrect gauge leads to:

1 Mark(s)

Your Answer:

floating fibers floating fibers
short fibers short fibers
long fibers long fibers
thick fibers thick fibers

Inverse Laplace transform of f(s)=a2/s3 is:

1 Mark(s)

Your Answer:

a/2 t2 a/2 t2
a2/2 t3 a2/2 t3
a2/2 t4 a2/2 t4
a2/2 t2 a2/2 t2

Non-magnetic elements are mostly:

1 Mark(s)

Your Answer:

non-metal non-metal
metal metal
semi-solid semi-solid
liquid liquid

In Hive, what is the function of the LATERAL VIEW statement?

1 Mark(s)

Your Answer:

Sort the result set based on specified columns
Explode complex types in Hive tables Explode complex types in Hive tables
Group records based on a column Group records based on a column
None of the above None of the above

Staining of heavy metal at times results in:

1 Mark(s)

Your Answer:

extra details extra details
less details less details
wrong details wrong details
enhanced details enhanced details

In NiFi, what is the purpose of the "connection" between processors?

1 Mark(s)

Your Answer:

Group records based on a condition Group records based on a condition
Define the flow of data between processors
Join records from multiple tables Join records from multiple tables
None of the above None of the above

Where is metadata stored in MySQL?

1 Mark(s)

Your Answer:

In the MySQL database metadata In the MySQL database metadata
In the MySQL database metasql In the MySQL database metasql
In the MySQL database mysql In the MySQL database mysql
None of the above is correct None of the above is correct

x=x+1 is equivalent to _________________?

1 Mark(s)

Your Answer:

x++ x++
++x ++x
x=x-1 x=x-1
None of these None of these

Which MS Word feature lets you reuse preformatted text blocks?

1 Mark(s)

Your Answer:

Macros Macros
Bullets Bullets
Quick Parts Quick Parts
None of these None of these

Which of the following loops will execute the body of loop even when condition controlling the loop is initially false?

1 Mark(s)

Your Answer:

do-while do-while
while while
for for
none of the mentioned none of the mentioned

In the given connected graph G, what is the value of rad(G) and diam(G)?

1 Mark(s)

Your Answer:

2, 3 2, 3
3, 2 3, 2
2, 2 2, 2
3, 3 3, 3

What is the purpose of the seq() function in R?

1 Mark(s)

Your Answer:

Create a sequence of numbers Create a sequence of numbers
Sort a vector Sort a vector
Merge two data frames Merge two data frames
Compute the mean of a numeric vector Compute the mean of a numeric vector

Which topology is most expensive to implement due to cabling costs?

1 Mark(s)

Your Answer:

Star Star
Bus Bus
Ring Ring
Mesh Mesh

What is the function used to stop capturing the ad hoc timing ?

1 Mark(s)

Your Answer:

stopadhoc() stopadhoc()
stopTimer() stopTimer()
stopTimeLogging() stopTimeLogging()
none of the mentioned none of the mentioned

The input must be a collection of numbers for the aggregate function:

1 Mark(s)

Your Answer:

Avg Avg
Sum Sum
Both A and B Both A and B
Min/Max Min/Max

To remove the content of selected cells you must issue ______ command

1 Mark(s)

Your Answer:

Delete Delete
Clear Contents Clear Contents
Clear All Clear All
Clear Delete Clear Delete

What is the output of the given code? a=5 b=15 while b>a puts a*(b-a) while a>b a+=1 b-=1 end end

1 Mark(s)

Your Answer:

5..15 5..15
50 50
Infinite loop Infinite loop
5 50 5 50

How many Character per sec(7bits + 1parity) can be transmitted over a 2400 bps line if the transfer is synchronous (1 "Start" and 1 "stop" bit)?

1 Mark(s)

Your Answer:

300 300
240 240
250 250
275 275

What will be the output of the following PHP code ? <?php $y = 2; if (--$y <> ($y != $y++)) { echo $y; } ?>

1 Mark(s)

Your Answer:

1 1
0 0
2 2
no output no output

In which type of computer, data are represented as discrete signals?

1 Mark(s)

Your Answer:

Analog computer Analog computer
Digital computer Digital computer
both both
Hybrid Computer Hybrid Computer

A conditional expression is also called a

1 Mark(s)

Your Answer:

Alternate to if-else Alternate to if-else
Immediate if Immediate if
If-then-else statement If-then-else statement
None of the mentioned None of the mentioned

Which would you choose to move selected text from one place to another?

1 Mark(s)

Your Answer:

Move and Paste Move and Paste
Copy and Paste Copy and Paste
Cut and Paste Cut and Paste
Delete and Paste Answer Delete and Paste Answer

What will be the output of the following C# code? static void Main(string[] args) { byte b1 = 0 * AB; byte b2 = 0 * 99; byte temp; temp = (byte) ~b2; Console.Write( temp + " "); temp = (byte) (b1 << b2); Console.Write(temp + " "); temp = (byte)(b2 >> 2); Console.WriteLine(temp); Console.ReadLine(); }

1 Mark(s)

Your Answer:

101 0 34 101 0 34
103 2 38 103 2 38
102 0 38 102 0 38
101 1 35 101 1 35

What is the difference between class composition and class inheritance?

1 Mark(s)

Your Answer:

Composition allows creating new classes Composition allows creating new classes
Inheritance allows creating new classes Inheritance allows creating new classes
Composition involves using existing classes
Inheritance involves using existing classes

Semimajor axis of planet Venus is:

1 Mark(s)

Your Answer:

5.79x1010 m 5.79x1010 m
15.0x1010 m 15.0x1010 m
10.8x1010 m 10.8x1010 m
22.8x1010 m 22.8x1010 m

The output of the following Python code is either 1 or 2. import random random.randint(1,2)

1 Mark(s)

Your Answer:

True True
False False

Coefficient of thermal expansion of Copper is:

1 Mark(s)

Your Answer:

23x10-6/C° 23x10-6/C°
29x10-6/C° 29x10-6/C°
17x10-6/C° 17x10-6/C°
19x10-6/C° 19x10-6/C°

Which of the following problems is not typically solved using Dynamic Programming?

1 Mark(s)

Your Answer:

Binary Search Tree Traversal Binary Search Tree Traversal
Shortest Path Problems Shortest Path Problems
Longest Increasing Subsequence Longest Increasing Subsequence
Knapsack Problem Knapsack Problem

Berkeley Software Distribution (BSD) is a series of:

1 Mark(s)

Your Answer:

Microsoft Windows OS Microsoft Windows OS
Linux OS Linux OS
UNIX OS UNIX OS
Window Vista OS Window Vista OS

What will be the output of the following PHP code ? <?php var $one = 1; var $two = 2; echo $one / $two * $one / $two * $two; ?>

1 Mark(s)

Your Answer:

1 1
0 0
0.5 0.5
Error Error

Which of the following is NOT an isolation level for database transactions?

1 Mark(s)

Your Answer:

READ UNCOMMITTED READ UNCOMMITTED
READ COMMITTED READ COMMITTED
REPEATABLE READ REPEATABLE READ
DATA UNCHANGED DATA UNCHANGED

Which algorithm can be used to detect negative weight cycles in a graph?

1 Mark(s)

Your Answer:

Dijkstra's Algorithm Dijkstra's Algorithm
Prim's Algorithm Prim's Algorithm
Bellman-Ford Algorithm Bellman-Ford Algorithm
Kruskal's Algorithm Kruskal's Algorithm

Which of the following is true about array indexes?

1 Mark(s)

Your Answer:

They start from 1 They start from 1
They can be negative They can be negative
They start from 0 They start from 0
They start from a user-defined value They start from a user-defined value

Animals that lack the presence of backbone in their skeleton is known as:

1 Mark(s)

Your Answer:

invertebrate invertebrate
birds birds
marine marine
vertebrate vertebrate

Special program which can detect and remove viruses from computer is called:

1 Mark(s)

Your Answer:

virus virus
anti-virus anti-virus
groupware groupware
custom custom

Which one of the following statements is correct about the FIDM?

1 Mark(s)

Your Answer:

SAML have access control SAML have access control
It typically uses the Security Markup Language (SAML) for packaging the user's security credentials.
It describes the protocols and technologies.
All of the above All of the above

What will be the output of the following Java program if input given is 'abcqfghqbcd'? class Input_Output { public static void main(String args[]) throws IOException { char c; BufferedReader obj = new BufferedReader(new InputStreamReader(System.in)); do { c = (char) obj.read(); System.out.print(c); } while(c != 'q'); } }

1 Mark(s)

Your Answer:

abcqfgh abcqfgh
abc abc
abcq abcq
abcqfghq abcqfghq

What is the output of this code?void swap(int a, int b) { int temp = a; a = b; b = temp; }int main() { int x = 2, y = 3; swap(x, y); cout << x << " " << y; }

1 Mark(s)

Your Answer:

3 2 3 2
3 3 3 3
2 2 2 2
2 3 2 3

Evaluating Your Answers

Java Programming Mock Test 16 : Question 1 of 59