Python Programming Mock Test 14

To add an internal card to a computer, it must have an open:

1 Mark(s)

Your Answer:

bay bay
bus bus
expansion slot expansion slot
USB port USB port

What is a memory fragment in C?

1 Mark(s)

Your Answer:

Unused memory between allocated blocks Unused memory between allocated blocks
A type of data structure A type of data structure
A reserved portion of memory A reserved portion of memory
A function to allocate memory A function to allocate memory

What does a reference provide?

1 Mark(s)

Your Answer:

Alternate name for the class Alternate name for the class
Alternate name for the variable Alternate name for the variable
Alternate name for the pointer Alternate name for the pointer
Alternate name for the object Alternate name for the object

What is the output of the expression: "5" + "2" in Ruby?

1 Mark(s)

Your Answer:

"7" "7"
7 7
52 52
Error Error

What will be the value of x in the following Python expression, if the result of that expression is 2? x>>2

1 Mark(s)

Your Answer:

8 8
4 4
2 2
1 1

The second step of fractional distillation is heating the mixture so that components evaporate at their:

1 Mark(s)

Your Answer:

boiling point boiling point
freezing point freezing point
neutral point neutral point
none of them none of them

Database management systems were first introduced in the 1950s.

1 Mark(s)

Your Answer:

True True
False False

What will be the output of the following R code? x <- (“a”, “b”) as.logical(x)

1 Mark(s)

Your Answer:

a b a b
"a" "b" "a" "b"
1 1 1 1
Error Error

Which of the following is the truncation division operator?

1 Mark(s)

Your Answer:

/ /
% %
// //
| |

How many types of framing can do on the data link layer?

1 Mark(s)

Your Answer:

1 type 1 type
2 types 2 types
3 types 3 types
4 types 4 types

What is the default return type of a function in C (pre-C99)?

1 Mark(s)

Your Answer:

int int
void void
float float
char char

State whether the given statement is true or false. “HTML5 brings to the Web video and audio tracks without needing plugins”.

1 Mark(s)

Your Answer:

True True
False False

Number of threads that exists for each of the processes that occurs in the program:

1 Mark(s)

Your Answer:

at most 1 at most 1
atleast 1 atleast 1
only 1 only 1
both at most 1 & atleast 1 both at most 1 & atleast 1

Suppose list1 is [1, 5, 9], what is sum(list1)?

1 Mark(s)

Your Answer:

1 1
9 9
15 15
Error Error

The design guidelines and priorities for read-only databases are different because read-only databases are never updated.

1 Mark(s)

Your Answer:

True True
False False

How do you execute a stored procedure from Python using the sqlite3 module?

1 Mark(s)

Your Answer:

Using the execute() method Using the execute() method
Using the call() function Using the call() function
Using the run() method Using the run() method
Using the exec_procedure() function Using the exec_procedure() function

What happens if an exception is raised within a rescue block in Ruby?

1 Mark(s)

Your Answer:

The program enters a loop to retry the operation
The program continues execution as normal
The program terminates with an error message
The exception is handled by an outer rescue block, if present

In a binary heap, which of the following operations is O(log n) in time complexity?

1 Mark(s)

Your Answer:

Insert Insert
Find minimum Find minimum
Delete minimum Delete minimum
Both Insert and Delete minimum Both Insert and Delete minimum

Which of the following step is taken after finding an element having value greater than the element being searched?

1 Mark(s)

Your Answer:

binary search takes place in the forward direction
binary search takes place in a backward direction
linear search takes place in the forward direction
linear search takes place in the backward direction

Which of the following is true? 1. A class can extend more than one class. 2. A class can extend only one class but many interfaces. 3. An interface can extend many interfaces. 4. An interface can implement many interfaces. 5. A class can extend one class and implement many interfaces.

1 Mark(s)

Your Answer:

1 and 2 1 and 2
2 and 4 2 and 4
3 and 5 3 and 5
3 and 4 3 and 4
2 and 5 2 and 5

Which of the given statement is true for Conditional Probability?

1 Mark(s)

Your Answer:

Conditional Probability gives 100% accurate results.
Conditional Probability can be applied to a single event.
Conditional Probability has no effect or relevance on independent events.
None of the above. None of the above.

What is the key difference between binary search and interpolation search?

1 Mark(s)

Your Answer:

Interpolation search requires a sorted array.
Binary search can handle unsorted arrays.
Interpolation search is always faster. Interpolation search is always faster.
Binary search is based on divide-and-conquer, while interpolation search estimates positions.

The piggybacking is used to improve the bidirectional protocol's:

1 Mark(s)

Your Answer:

performance performance
timing timing
efficiency efficiency
error control error control

Prior to which version of PHP did constructors took the name of the enclosing class.

1 Mark(s)

Your Answer:

PHP 4 PHP 4
PHP 5 PHP 5
PHP 5.3 PHP 5.3
PHP 5.4 PHP 5.4

In which scenario is the Naive string matching algorithm the least efficient?

1 Mark(s)

Your Answer:

When the pattern and text are very long.
When the pattern is very short. When the pattern is very short.
When the text is sorted. When the text is sorted.
When there are many matches in the text.

Match the items given in column I with their characteristics given in column II and select the correct option. Column I Column II A. Solution 1. Shows the Tyndall effect, stable B. Colloid 2. Fixed composition, cannot be separated physically C. Suspension 3. Shows the Tyndall effect, unstable D. Pure substance 4. No Tyndall effect, clear

1 Mark(s)

Your Answer:

A) A – 1, B – 2, C – 3, D – 4 A) A – 1, B – 2, C – 3, D – 4
B) A – 3, B – 4, C – 1, D – 2 B) A – 3, B – 4, C – 1, D – 2
C) A – 2, B – 3, C – 4, D – 1 C) A – 2, B – 3, C – 4, D – 1
D) A – 4, B – 1, C – 3, D – 2 Solution 3. Shows the Tyndall effect, unstable B. Colloid 4. No Tyndall effect, clear C. Suspension 1. Shows the Tyndall effect, stable D. Pure substance 2. Fixed composition, cannot be separated physically

For each materialized view, some database systems permits the:

1 Mark(s)

Your Answer:

View controller View controller
Database developer Database developer
Database administrator Database administrator
View designer View designer

Derivative of esinx=:

1 Mark(s)

Your Answer:

esinx esinx
sinx esinx sinx esinx
cos x esinx cos x esinx
cosx ecosx cosx ecosx

The graphical representation of a database's schema is generated through:

1 Mark(s)

Your Answer:

Relational diagram Relational diagram
Object-based diagram Object-based diagram
Semistructured diagram Semistructured diagram
Entity relationship diagram Entity relationship diagram

The process of defining two or more methods within the same class that have same name but different parameters list is:

1 Mark(s)

Your Answer:

method overloading method overloading
method overriding method overriding
encapsulation encapsulation
inheritance inheritance

What is the maximum distance with maximum data rate for 802.11g?

1 Mark(s)

Your Answer:

About 65-75 feet About 65-75 feet
About 90-100 feet About 90-100 feet
About 150 feet About 150 feet
Over 200 feet Over 200 feet

Period of rotation of Mercury w.r.t distant stars is:

1 Mark(s)

Your Answer:

58.7 d 58.7 d
−243 d −243 d
−-0.451 d −-0.451 d
0.997 d 0.997 d

A Turing Machine can recognize:

1 Mark(s)

Your Answer:

Regular Regular
Context Free Context Free
Context Sensitive Context Sensitive
Recursively Enumerable Recursively Enumerable

CBT stands for:

1 Mark(s)

Your Answer:

Core-Based Transmission Core-Based Transmission
Core-Based Tree Core-Based Tree
Core-Based Tracer Core-Based Tracer
Core-Based Target Core-Based Target

Does a 'TRUNCATE' operation fire ON DELETE triggers?

1 Mark(s)

Your Answer:

Yes Yes
No No
Depends on DB Depends on DB
Only if specified Only if specified

What is a time complexity for finding the longest substring that is repeated in a string?

1 Mark(s)

Your Answer:

O (log n!) O (log n!)
Ɵ (n!) Ɵ (n!)
O (n2+ n1) O (n2+ n1)
Ɵ (n) Ɵ (n)

The result of the operators ">","=","= =":

1 Mark(s)

Your Answer:

Int Int
Float Float
Char Char
Bool Bool

Which experiment can prove that yeast is alive and actively growing?

1 Mark(s)

Your Answer:

A) Keeping it in sunlight A) Keeping it in sunlight
B) Mixing it with a cold sugar solution B) Mixing it with a cold sugar solution
C) Mixing it with a warm sugar solution and observing gas formation
D) Boiling it in water D) Boiling it in water

How many macros are defined in the header file stdarg.h?

1 Mark(s)

Your Answer:

one one
two two
three three
four four

Substance that continually deforms under an applied shear stress is:

1 Mark(s)

Your Answer:

fluid fluid
gas gas
solid solid
silicon silicon

What will be the result of the following code? public class Test{ static public void main(String args[]){ //line 2 int i, j; for(i=0; i

1 Mark(s)

Your Answer:

1 2 3 1 1 2 3 1
1 2 3 2 1 2 3 2
Repeatedly print 1 2 3 and cause infinite loop.
Compilation fails because of line 2 Compilation fails because of line 2
None of these None of these

Rate at which energy is transmitted by a sinusoidal wave on a stretched string is called:

1 Mark(s)

Your Answer:

Wave Power Wave Power
Wave Density Wave Density
Wave Speed Wave Speed
Wave Tension Wave Tension

What data structure is used to manage and query a large dataset with minimal memory overhead and no duplicates?

1 Mark(s)

Your Answer:

Bloom Filter Bloom Filter
Hash Map Hash Map
Heap Heap
Trie Trie

Which of the following is true about STL map?

1 Mark(s)

Your Answer:

Stores unique keys Stores unique keys
Key-value pairs Key-value pairs
Sorted by key Sorted by key
All of the above All of the above

The . . . . . . . . codec uses Google's Snappy compression library.

1 Mark(s)

Your Answer:

null null
snappy snappy
deflate deflate
none of the mentioned none of the mentioned

What is the maximum number of bytes that can be allocated using 'malloc' in C?

1 Mark(s)

Your Answer:

It depends on the system and available memory
2^16 bytes 2^16 bytes
2^32 bytes 2^32 bytes
2^64 bytes 2^64 bytes

MTTC falls the the category of____________________?

1 Mark(s)

Your Answer:

correctness correctness
integrity integrity
maintainability maintainability
all of the mentioned all of the mentioned

How can you make a list that list the items with numbers ? 1. <ul> 2. <list> 3. <ol>

1 Mark(s)

Your Answer:

Option 1 Option 1
Option 2 Option 2
Option 3 Option 3
None of the above None of the above

If two substances are mixed together physically, they form a:

1 Mark(s)

Your Answer:

solution solution
compound compound
mixture mixture
molecules molecules

The large molecules in the food that we eat are:

1 Mark(s)

Your Answer:

carbohydrates and fats carbohydrates and fats
fats and proteins fats and proteins
carbohydrates, fats and proteins carbohydrates, fats and proteins
carbohydrates and proteins carbohydrates and proteins

How is Date stored in database?

1 Mark(s)

Your Answer:

java.sql.Date java.sql.Date
java.util.Date java.util.Date
java.sql.DateTime java.sql.DateTime
java.util.DateTime java.util.DateTime

What is true about time slicing?

1 Mark(s)

Your Answer:

Time slicing is OS service that allocates CPU time to available runnable thread
Time slicing is the process to divide the available CPU time to available runnable thread
Time slicing depends on its implementation in OS
Time slicing allocates more resources to thread

Which data structure is used to represent a decision table in computer algorithms?

1 Mark(s)

Your Answer:

Linked List Linked List
Binary Tree Binary Tree
Heap Heap
Linked List Linked List

Data-volume and frequency-of-use statistics are not critical inputs to the physical database design process.

1 Mark(s)

Your Answer:

True True
False False

A greenhouse gas that absorbs energy and maintains the earth's temperature is:

1 Mark(s)

Your Answer:

carbon dioxide carbon dioxide
oxygen oxygen
nitrogen nitrogen
argon argon

Evaluating Your Answers

Python Programming Mock Test 14 : Question 1 of 55