WorksheetsQuiz on Numerical Data and Logic
Total questions: 38
Worksheet time: 19mins
Which data type involves measurable quantities?
Qualitative
Ordinal
Quantitative
Nominal
Which of the following is NOT a qualitative data type?
Gender
Country
Eye Color
Temperature
Which best describes continuous data?
Countable, whole values
Categorical groupings
Values with decimals, measured over a range
Binary values
What type of data is ‘eye color’?
Quantitative
Discrete
Ordinal
Qualitative
Which of the following is an example of discrete data?
Student height
Blood pressure
Number of cars
Temperature
What is the base of the binary number system?
2
8
10
16
What is the decimal value of the binary number 1101?
11
12
13
14
Which of the following is a hexadecimal digit?
G
B
H
J
What is the result of converting 15 in decimal to binary?
1000
1110
1111
1101
Binary '1001' equals what in decimal?
7
8
9
10
What is overflow in computing?
Too much RAM is used
A value exceeds storage capacity
An internet connection loss
A file opens beyond memory
Which standard is commonly used for floating-point numbers?
ISO 9001
IEEE 754
USB-C
RAM-256
What causes rounding errors in binary arithmetic?
Improper power supply
Finite storage of fractional numbers
Keyboard lag
Operating system bugs
What happens in underflow during calculations?
A number becomes too small to represent
A program overflows
Memory resets
Input is too large
How are floating-point numbers typically stored?
As text
In hexadecimal form
Using scientific notation (sign, exponent, mantissa)
With infinite precision
What does the modulo operation return?
Average
Quotient
Whole number
Remainder
Which operation is used to divide one number by another?
+
-
/
*
Which mathematical operator is used for multiplication?
^
x
*
%
If A = 10 and B = 3, what is A % B?
3
1
0
2
Which of the following is a valid use case for modulo?
Sorting a list
Repeating days of the week
Calculating weight
Storing files
Which logic gate returns true only when both inputs are true?
OR
NOT
XOR
AND
What is the result of 1 AND 0 in Boolean logic?
1
0
2
-1
What does the bitwise shift left (> 1 (in decimal)?
16
4
3
6
What is the purpose of a parity bit?
Speed up downloads
Backup memory
Detect errors
Increase file size
Which method helps detect data transmission errors?
BIOS
Encryption
Checksum
Cache
Why is data accuracy critical in banking systems?
For storing passwords
To protect user photos
To avoid incorrect money transfers
To speed up loading
What is a checksum used for?
File compression
Data accuracy checking
IP addressing
Password storage
Which issue can occur due to floating-point rounding?
Extra RAM usage
Incorrect results in calculations
Lost network signal
Duplicate values
Which of the following uses continuous numerical data?
Number of students
Eye color
Temperature
Car brands
How is binary data used in gaming?
Controlling RAM
Representing player movements, logic, and graphics
Displaying credits
Writing game reviews
Why is floating-point precision important in finance?
To create reports
To count people
To avoid rounding money incorrectly
For image storage
What type of data do temperature sensors usually provide?
Discrete
Binary
Continuous
Nominal
Which industry heavily relies on bitwise operations?
Agriculture
Game development
Fashion
Education
What kind of data is generated by a smart fitness band?
Categorical only
Numerical and continuous
Only qualitative
Only binary
What does '1A' represent in hexadecimal?
16
25
26
30
How do you know if a binary number is odd?
It starts with 1
It ends with 0
It ends with 1
It contains three 1s
What is the binary of decimal 7?
1000
0111
1011
1110
Which one is used to fix transmission errors in a message?
Restarting the modem
Resetting bits
Error detection techniques like parity/checksum
Copy-pasting the message again
