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Placement Papers

TCS, Infosys, Wipro, Cognizant actual papers

271 Q 10 Topics Take Test
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Difficulty: All Easy Medium Hard 71–80 of 271
Topics in Placement Papers
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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