Quiz: 2D Arrays Quiz (information technology and communication)


2D Arrays QuizOnline version Tabular data basics by Kanyi 1 1) A 2D array stores data in: a Rows and columns b A single straight line c Circles d Text files 2 2) In marks[1][2], what does it refer to? a Column index 1, Row index 2 b The very last value in the table c The very first value in the table d Row index 1, Column index 2 3 3) Visually and logically, 2D arrays are most similar to: a Folders b Straight lines c Tables or spreadsheets d Geometric shapes 4 4) 2D arrays are primarily used for managing: a Single, isolated values b Playing music c Complex, structured tabular data d Rendering 3D images 5 5) In a database or 2D array table, rows usually represent: a Individual records (like a specific student) b Formatting shapes c File sizes d Colours 6 6) Which statement describes the row and column indices? a First index = row, second index = column b Both indices refer to rows c Both indices refer to columns d First index = column, second index = row 7 7) 2D arrays are best for handling: a Pure text blocks b Logs of single values c Tabular data with structure d Individual audio samples 8 8) To access one element in a 2D array you need: a Three indices b Two indices c A key and a value d One index 9 9) True or False: 2D arrays store data in a grid format. a False b True 10 10) In a 2D array, element [2][0] refers to: a Column 2, Row 0 b Row 2, Column 0 c The last element d Row 01, Column 2 Feedback 1 2D arrays organize data in a grid of rows and columns. 2 First index is the row, second is the column. 3 They present data in rows and columns like tables. 4 They excel at organizing rows x columns of data. 5 Rows typically correspond to separate records or entries. 6 Access uses [row][column] ordering. 7 Structure helps in organizing related fields. 8 One for the row, one for the column. 9 A grid aligns with rows and columns. 10 First index is row, second is column.

1

1) A 2D array stores data in:

a

Rows and columns

b

A single straight line

c

Circles

d

Text files

2

2) In marks[1][2], what does it refer to?

a

Column index 1, Row index 2

b

The very last value in the table

c

The very first value in the table

d

Row index 1, Column index 2

3

3) Visually and logically, 2D arrays are most similar to:

a

Folders

b

Straight lines

c

Tables or spreadsheets

d

Geometric shapes

4

4) 2D arrays are primarily used for managing:

a

Single, isolated values

b

Playing music

c

Complex, structured tabular data

d

Rendering 3D images

5

5) In a database or 2D array table, rows usually represent:

a

Individual records (like a specific student)

b

Formatting shapes

c

File sizes

d

Colours

6

6) Which statement describes the row and column indices?

a

First index = row, second index = column

b

Both indices refer to rows

c

Both indices refer to columns

d

First index = column, second index = row

7

7) 2D arrays are best for handling:

a

Pure text blocks

b

Logs of single values

c

Tabular data with structure

d

Individual audio samples

8

8) To access one element in a 2D array you need:

a

Three indices

b

Two indices

c

A key and a value

d

One index

9

9) True or False: 2D arrays store data in a grid format.

a

False

b

True

10

10) In a 2D array, element [2][0] refers to:

a

Column 2, Row 0

b

Row 2, Column 0

c

The last element

d

Row 01, Column 2

Feedback

1

2D arrays organize data in a grid of rows and columns.

2

First index is the row, second is the column.

3

They present data in rows and columns like tables.

4

They excel at organizing rows x columns of data.

5

Rows typically correspond to separate records or entries.

6

Access uses [row][column] ordering.

7

Structure helps in organizing related fields.

8

One for the row, one for the column.

9

A grid aligns with rows and columns.

10

First index is row, second is column.

You can integrate the game into an LMS compatible with LTI 1.1 or LTI 1.3 such as Canvas, Moodle, or Blackboard. This way, the scores will be automatically saved into the platform’s gradebook.

2D Arrays Quiz

Quiz

About this activity

Created by

Download the paper version to play

Top Games

Quiz

UPS 5 Seeing Habits Quiz

Quiz

Tissues - Practice Quiz

Quiz

Photosynthesis vs Cellular Respiration - Practice Quiz

Quiz

Spanish Alphabet Listening

Quiz

Practice Quiz - Punnett Square, Variation, and Mutations

2D Arrays QuizOnline version

by Kanyi

1) A 2D array stores data in:

2) In marks[1][2], what does it refer to?

3) Visually and logically, 2D arrays are most similar to:

4) 2D arrays are primarily used for managing:

5) In a database or 2D array table, rows usually represent:

6) Which statement describes the row and column indices?

7) 2D arrays are best for handling:

8) To access one element in a 2D array you need:

9) True or False: 2D arrays store data in a grid format.

10) In a 2D array, element [2][0] refers to:

Feedback

		%
	Anonymous	%
		%
		%