Real-time Processing and Central-Heating Systems

Real-time Processing and Central-Heating Systems

Assessment

Passage

Computers

12th Grade

Practice Problem

Hard

Created by

Kwesi Osborne-Morson

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of a system that uses real-time processing?

A) A batch processing system

B) A computer-controlled greenhouse

C) A manual heating system

D) A delayed response system.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of the microprocessor in a central-heating system?

To provide manual control

To process input data and control the heater

To increase the temperature

To decrease the temperature

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the temperature in a real-time processing system when the heater is turned on?

It decreases

It remains constant

It increases

It fluctuates randomly

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if the temperature from the sensor is lower than the pre-set value?

The microprocessor switches the pump off

The microprocessor sends a signal to open the gas valves

The microprocessor ignores all readings

The microprocessor sends a signal to close the gas valves.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fill in the blank: If the temperature is higher than or equal to the pre-set value, the microprocessor sends a signal to switch the pump off and _______.

open the gas valves

close the valves

increase the temperature

decrease the temperature

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fill in the blank: The system is known as a real-time system because the output affects the _______.

input

temperature

microprocessor

boiler

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fill in the blank: The microprocessor stores the required temperature as a _______.

sensor value

pre-set value

random value

default value

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