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) Insight

B) Knowledge

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) Information

C) Data

D) Knowledge

3 / 13

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

A) Decimal form

B) Binary form

C) Text form only

D) Graphical form

4 / 13

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

A) Raw data collection

B) Data storage

C) Knowledge-based decision

D) Information display

5 / 13

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

A) Processed and meaningful data

B) Unprocessed facts

C) Binary signals only

D) Hardware instructions

6 / 13

ASCII and Unicode are used in computers mainly to represent:

A) Audio signals

B) Network speed

C) Text characters

D) Images

7 / 13

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

A) Binary noise

B) Raw data

C) Processed information

D) Hardware output

8 / 13

Which transformation correctly represents the data processing hierarchy?

A) Data → Knowledge → Information

B) Knowledge → Data → Information

C) Information → Data → Knowledge

D) Data → Information → Knowledge

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) Decision rules

B) Binary digits

C) Pixel values

D) Text encoding

11 / 13

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

A) Information

B) Hardware processing

C) Data only

D) Knowledge only

12 / 13

Why is binary representation important in computing?

A) It removes need for storage

B) It allows human reading of data

C) It increases file size

D) It enables all data to be processed by machines

13 / 13

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

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

B) 45, 67, 89

C) Raw sensor readings

D) Table of student marks

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