NEW
Font size
WorksheetsLesson 6 Basic Signal and Number Systems
Total questions: 13
Worksheet time: 7mins
What are the two distinct states represented by digital signals?
All of the above
On/Off
True/False
High/Low
Which type of signal represents continuous ranges of values?
Binary
Analog
Digital
Hexadecimal
What is the base of the binary number system?
16
2
8
10
Which of the following is an example of a digital input?
Push button
Relay contacts
Temperature sensor
Proportional valve
What does the term 'ADC' stand for in the context of PLCs?
Analog Digital Code
Automatic Data Collection
Analog Data Control
Analog to Digital Converter
Which number system uses 16 digits including A to F?
Hexadecimal
Decimal
Binary
Octal
What is the primary purpose of a parity bit?
To encrypt data
To convert data types
To check data accuracy
To increase data size
In the context of PLCs, what does BCD stand for?
Binary Coded Decimal
Base Coded Decimal
Binary Communication Data
Binary Control Data
Which of the following is NOT a characteristic of digital signals?
Easy to process
Simple and reliable
Continuous range of values
Fast response time
What is the main advantage of using Gray code?
Faster processing speed
Higher data capacity
Error minimizing code
More complex representation
Which of the following is an example of an analog output?
Push button
Motor speed control
Temperature sensor
Signal lamp
What is the least significant bit (LSB) in a binary number?
The middle bit
The bit representing the smallest value
The most significant bit
The highest value bit
Which system is used to represent negative numbers in binary?
1's complement
2's complement
None of the above
Both 1's and 2's complement
