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Worksheets

Tech Buzz R1

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Identify the language which is used in data science?

a)

C++

b)

R

c)

Java

d)

Ruby

2.

Identify the correct extension of the user-defined header file in C++.

a)

cpp

b)

hg

c)

h

d)

hf

3.

Which programming language is primarily used for developing Android applications?

a)

Java

b)

Python

c)

C++

d)

Swift

4.

Which of the following languages is commonly used for artificial intelligence?

a)

Python

b)

Lisp

c)

Php

d)

Java

5.

Which type of file system is commonly used in Windows operating systems?

a)

NTFS (New Technology File System)

b)

HFS+ (Hierarchical File System Plus)

c)

EXT4 (Fourth Extended File System)

d)

APFS (Apple File System)

6.

Which of the following is not a part of the data science process?

a)

Communication building

b)

Operationalize

c)

Model planning

d)

Discovery

7.

What technology is designed to prevent bots from submitting forms online?

a)

MySQL

b)

Captcha

c)

Autofill

d)

Cookie

8.

Which bitwise operator is suitable for turning off the particular bit in a number?

a)

&& operator

b)

& operator

c)

|| operator

d)

! operator

9.

System RAM is typically measured in what?

a)

Kilobytes

b)

Megabytes

c)

Gigabytes

d)

Terabytes

10.

Which of these is not a fundamental feature of OOPS?

a)

Encapsulation

b)

Inheritance

c)

Instantiation

d)

Polymorphism

11.

Which of the following is an eBook reader?

a)

Kernel

b)

Kestrel

c)

Kerral

d)

Kindle

12.

What is the first step in the data science process?

a)

Collecting data and preparing it for analysis

b)

Experimenting with and tuning different analytical models

c)

Defining an analytical hypothesis that could provide business value.

d)

Selecting the model to build based on the cleaned data

13.

The problem of finding hidden structure in unlabeled data is called?

a)

Supervised learning

b)

Unsupervised learning

c)

Reinforcement learning

d)

Regression analysis

14.

Methods of a class that provide access to private members of the class are called as __ and __

a)

getters/setters

b)

_repr/str_

c)

user-defined functions/in-built functions

d)

_init/del_

15.

Choose the invalid identifier from the below. ( In Python )

a)

Int

b)

def

c)

true

d)

_0_