Simform Interview Questions and Answers

C is a general-purpose programming language while Embedded C is a subset of C used for programming microcontrollers and other embedded systems.

• Embedded C has limited resources compared to C

• Embedded C has specific libraries for hardware access

• Embedded C has specific memory models

• Embedded C has specific coding standards for safety-critical systems

• C can be used for a wide range of applications while Embedded C is specific to embedded systems

Deadlocks are situations in which two or more processes are unable to proceed because each is waiting for the other to release a resource.

• Deadlocks occur in multitasking environments where processes compete for limited resources.

• Four conditions must hold for a deadlock to occur: mutual exclusion, hold and wait, no preemption, and circular wait.

• Example: Process A holds Resource 1 and waits for Resource 2, while Process B holds Resource 2 and waits for Resource 1.

• Deadlocks can ...read more

Debouncing is a technique used in software development to prevent multiple rapid triggers of an event.

• Debouncing helps in filtering out unnecessary or duplicate events that occur in quick succession.

• It is commonly used in user interface interactions like button clicks to ensure a single action is triggered.

• Debouncing involves setting a time threshold during which any subsequent triggers are ignored.

• Example: Preventing multiple form submissions on a website by debouncing the s...read more

Embedded systems are specialized computing systems designed to perform specific tasks within a larger system.

• Embedded systems are typically found in everyday devices such as smartphones, cars, and household appliances.

• They are designed to be efficient, reliable, and often operate in real-time.

• Embedded systems often have limited resources such as memory and processing power.

• Examples of embedded systems include microcontrollers in a washing machine, GPS systems in cars, and fir...read more

Structure is a user-defined data type that groups related variables under one name, while union allows multiple variables to be stored in the same memory location.

• Structure allocates memory for all its members separately, while union shares the same memory location for all its members.

• Structures are used when all members need to be accessed independently, while unions are used when only one member needs to be accessed at a time.

• Example: struct Person { char name[50]; int age;...read more