Placement Papers

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271 Q 10 Topics Take Test

Difficulty: All Easy Medium Hard 71–80 of 271

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Q.71 Easy IBM Questions IBM

What is the main purpose of version control systems like Git?

A To compress files

B To track changes in code and enable collaboration

C To encrypt code

D To execute code

Correct Answer: B. To track changes in code and enable collaboration

EXPLANATION

Version control systems track code changes over time and facilitate team collaboration by managing different versions

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Q.72 Easy IBM Questions IBM

Which protocol is used for secure web communication?

A HTTP

B FTP

C HTTPS

D SMTP

Correct Answer: C. HTTPS

EXPLANATION

HTTPS is HTTP with encryption/security using SSL/TLS protocols for secure communication

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Q.73 Easy IBM Questions IBM

Which data structure uses LIFO (Last-In-First-Out)?

A Queue

B Stack

C Array

D Linked List

Correct Answer: B. Stack

EXPLANATION

A Stack uses LIFO principle where the last element added is the first one to be removed

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Q.74 Easy IBM Questions IBM

What is the output of: print(10 // 3) in Python?

A 3

B 3.33

C 4

D Error

Correct Answer: A. 3

EXPLANATION

The '//' operator performs floor division, which returns 3 (the integer part of 10/3)

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Q.75 Easy IBM Questions IBM

Which of the following best describes SQL?

A A programming language for web development

B A language for managing and querying databases

C A markup language for creating web pages

D A platform for cloud computing

Correct Answer: B. A language for managing and querying databases

EXPLANATION

SQL (Structured Query Language) is used for managing and querying relational databases

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Q.76 Easy IBM Questions IBM

Read the passage: 'Technology has revolutionized education. Students now have access to online courses from top universities.' What is the main idea?

A Online courses are free

B Technology has changed how education is delivered

C Top universities offer better education

D All students prefer online learning

Correct Answer: B. Technology has changed how education is delivered

EXPLANATION

The passage states that technology has revolutionized education and enabled access to courses. This is the main idea

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Q.77 Easy IBM Questions IBM

What does 'ubiquitous' mean?

A Extremely rare

B Present everywhere

C Very expensive

D Complicated

Correct Answer: B. Present everywhere

EXPLANATION

'Ubiquitous' means being or appearing everywhere at the same time; omnipresent

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Q.78 Easy IBM Questions IBM

TIGER: STRIPES as ZEBRA: ?

A BLACK

B STRIPES

C HOOVES

D LEGS

Correct Answer: B. STRIPES

EXPLANATION

Tiger is characterized by stripes. Zebra is also characterized by stripes

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Q.79 Easy IBM Questions IBM

Which word does NOT belong to the group? CAR, TRUCK, BICYCLE, AIRPLANE

A BICYCLE

B AIRPLANE

C TRUCK

D CAR

Correct Answer: B. AIRPLANE

EXPLANATION

All except AIRPLANE are land vehicles. AIRPLANE is an air vehicle

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Q.80 Easy IBM Questions IBM

Find the LCM of 12, 18, and 24.

A 72

B 60

C 84

D 96

Correct Answer: A. 72

EXPLANATION

12 = 2² × 3, 18 = 2 × 3², 24 = 2³ × 3. LCM = 2³ × 3² = 8 × 9 = 72

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