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QT Interview

The document contains a list of interview questions related to Qt, covering basic concepts such as MOC, UIC, and qmake, as well as the platforms supported by Qt and application porting procedures. It also delves into the Signals & Slots mechanism, including their workings, the QObject class, and the usage of various macros. Additionally, it addresses the connection of signals and slots, including connecting multiple slots to a single signal and the order of execution.

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prajwalgundmi
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19 views1 page

QT Interview

The document contains a list of interview questions related to Qt, covering basic concepts such as MOC, UIC, and qmake, as well as the platforms supported by Qt and application porting procedures. It also delves into the Signals & Slots mechanism, including their workings, the QObject class, and the usage of various macros. Additionally, it addresses the connection of signals and slots, including connecting multiple slots to a single signal and the order of execution.

Uploaded by

prajwalgundmi
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Qt Interview Questions

Basic
1. What is MOC and UIC? Explain how they will work for compilation in QT?
2. What is qmake? Explain usage.
3. What are all the platforms/OS currently Qt supports?
4. What are the procedures to port an application written for one platform to
another?

Signals & Slots


1. Describe working of Signals & Slots.
2. What is a slot? And how it differs with callback Method (Advantage)?
3. How Signals & Slots work? What is MetaObject system?
4. How is QObject class related to signals and slots?
5. What is O_OBJECT macro? Do you know what it expands into?
6. What does SIGNAL() and SLOT() macro expand to?
7. Can I call a slot normally?
8. What are the different ways connect signals and slots?
9. What is QObject::connect? Explain syntax/prototype of connect.
10.Can I connect two signals? How?
11.Can I connect multiple slots to same signal? If yes which order the slots get
called?

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