Computer 9th Chap 4 : Topic 2.8 - Maryam Publications

Computer Chapter 4 : Topic 2.8

Data Representation

1 / 13

A computer stores temperature readings as 32, 35, 38 without any explanation. This represents:

A) Knowledge

B) Insight

C) Information

D) Data

2 / 13

When raw marks are organized into a class result sheet showing averages and percentages, it becomes:

A) Hardware

B) Data

C) Knowledge

D) Information

3 / 13

Which form best represents how computers internally store all types of data?

A) Graphical form

B) Text form only

C) Decimal form

D) Binary form

4 / 13

A system states: “Students scoring below 50 require remedial classes.” This is an example of:

A) Data storage

B) Knowledge-based decision

C) Raw data collection

D) Information display

5 / 13

Which of the following best describes “information” in computing?

A) Binary signals only

B) Processed and meaningful data

C) Unprocessed facts

D) Hardware instructions

6 / 13

ASCII and Unicode are used in computers mainly to represent:

A) Text characters

B) Network speed

C) Images

D) Audio signals

7 / 13

A weather app showing “Hot, Humid, 35°C” is an example of:

A) Hardware output

B) Raw data

C) Processed information

D) Binary noise

8 / 13

Which transformation correctly represents the data processing hierarchy?

A) Information → Data → Knowledge

B) Data → Knowledge → Information

C) Data → Information → Knowledge

D) Knowledge → Data → Information

9 / 13

A machine learning system predicting “high risk of disease” based on patient reports is producing:

A) Knowledge

B) Information

C) Data

D) Raw storage

10 / 13

Which of the following is NOT an example of data representation in computers?

A) Binary digits

B) Decision rules

C) Text encoding

D) Pixel values

11 / 13

A spreadsheet showing student marks, totals, and averages represents:

A) Hardware processing

B) Knowledge only

C) Information

D) Data only

12 / 13

Why is binary representation important in computing?

A) It removes need for storage

B) It increases file size

C) It allows human reading of data

D) It enables all data to be processed by machines

13 / 13

Which of the following best represents knowledge in a smart system?

A) 45, 67, 89

B) Raw sensor readings

C) “If temperature > 40°C, issue heat warning”

D) Table of student marks

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