Explain whether we can use semaphore or mutex or spinlock in interrupt context in linux kernel?

482

---

Differentiate testing and verification?

527

---

What is equ?

498

---

Explain scope of static variables?

498

---

What is difference between using a macro and inline function?

467

---

what are buses used for communication in embedded system?

483

---

what is embedded system in a computer system?

463

---

Can single bit of a port be accessed in 8051?

640

---

Explain the 8051 microcontroller architecture?

661

---

How much total external data memory that can be interfaced to the 8051?

773

---

Intel 8051 follows which architecture?

665

---

Explain data types used in microcontroller programming,

598

---

What is the width of data bus?

557

---

With 12 mhz clock frequency how many instructions (of 1 machine cycle and 2 machine cycle) it can execute per second?

1537

---

what is the difference between timer and counter of microcontroller?

729

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