NCO- Cyber Olympiad (SOF) Class 12: Questions 216 - 221 of 520

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Question number: 216

» Mental Ability » Basic Algebra

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MCQ▾

Question

In a garden, there are 10 rows and 12 columns of lemon trees. The distance between the two trees is 2 metres and a distance of one metre is left from all sides of the boundary of the garden. The length of the garden is

Choices

Choice (4) Response

a.

24m

b.

20m

c.

22m

d.

12m

Question number: 217

» Computer » Database Concepts

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Question

Identify the database model shown in the given image.

Diagram shows the database model

Diagram Shows the Database Model

his diagram shows the database model

Image title: Diagram shows the database model

Image description: This diagram shows the database model

Choices

Choice (4) Response

a.

Relational model

b.

Network model

c.

Object model

d.

Hierarchical model

Question number: 218

» Computer » HTML

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Question

Which of the following is NOT an input type in HTML?

Choices

Choice (4) Response

a.

Radio

b.

Password

c.

Text

d.

Fixed

Question number: 219

» Computer » SQL

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MCQ▾

Question

Select the INCORRECT SQL query.

Choices

Choice (4) Response

a.

DELETE FROM student WHERE age > 20;

b.

DELETE FROM student WHERE 75 = Percent;

c.

UPDATE Class SET Section = ‘A’;

d.

INSERT INTO items (Item Value, Item Name) values (2101, ‘Pencil’);

Question number: 220

» Computer » Viruses and Antiviruses

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MCQ▾

Question

How Does a Le-Hand Virus Come Into Existence?

Choices

Choice (4) Response

a.

Software

b.

Command. Com

c.

FRIDAY 13

d.

Hardware

Question number: 221

» Computer » Networking & Topologies

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MCQ▾

Question

If a cookie is set or not, which function is used in PHP.

Choices

Choice (4) Response

a.

isreset ()

b.

isset ()

c.

setcookie ()

d.

None of the above