Bank Questions PDF

1- AVR is a family of _______ which was developed by Atmel company. a. Microprocessors b. Microcontrollers c. Bit processors d. Amplifiers 2- AVR Microcontroller has a ______ architecture? a. Single b. Von Neumann c. Harvard d. None of these 3- AVR is...

1- AVR is a family of _______ which was developed by Atmel company. a. Microprocessors b. Microcontrollers c. Bit processors d. Amplifiers 2- AVR Microcontroller has a ______ architecture? a. Single b. Von Neumann c. Harvard d. None of these 3- AVR is a ____ RISC Single chip microcontroller? a. 3-bit b. 4-bit c. 6-bit d. 8-bit 4- Each GPIO port is controlled by _____ 8-bit registers? a. One b. Two c. Three d. Four 5- DDRx registers configure the pins _____ ? a. Transfer b. Receive c. Direction d. None of these 6- PORTx sets the output values on ____ configured as outputs? a. Memory b. Pins c. Lines d. Buses 7- PORTx enables or disables the ____ resistor on pins configured as inputs? a. Patch Up b. Pull-Up c. Pull-Down d. Patch Down 8- PINx Input register which reads an ____ signal? a. Input b. Output c. Difference d. Sum 9- ATMega 32 AVR Microcontroller has ___ bytes of internal static RAM? a. 1kilo b. 2kilo c. 3kilo d. 4kilo 10- ATMega 32 AVR Microcontroller has _____ bytes of EEPROM? a. 1024  b. 512 c. 256 d. 2048 11- Atmega 32 AVR has one ____ timer/counter with a separate Prescaler? a. 8-bit b. 16-bit c. 24-bit d. 32-bit 12- Atmega 32 AVR has _____ Programmable I/O lines in AVR microcontrollers? a. 40 b. 32 c. 16 d. 20 13- ATmega32 controller operates from 1.8 to ___ volts? a. 5 b. 5.5 c. 4.5 d. 4 14- What is the use of the watchdog timer? a. Protect critical resources from invalid access b. Synchronize multi-core systems c. Reset the system in case on invalid behavior d. Update the main state machine of the OS 15- Time taken to respond to an interrupt called ___ a. Interrupt delay b. Interrupt latency c. Interrupt function d. Interrupt time 16- Which of the following used in the generation of waveforms? a. Output b. Input c. Timer d. Interrupt 17- Which of the following processor are designed to perform calculations in graphics rendering? a. DSP b. TPU c. M.C d. M.P 18- Name the which helps in floating point calculations? a. Microprocessor b. Microcontroller c. Coprocessor d. Controller 19- Which memory storage is widely used in PCs and Embedded Systems? a. EEPROM b. Flash memory  c. SRAM d. DRAM 20- Which interrupts generate fast interrupt exception? a. software interrupt b. hardware interrupt c. internal interrupt d. external interrupt 21- It retains its content when power is removed. What type of memory is this? a. Volatile memory b. Nonvolatile memory c. RAM d. SRAM 22- Which one of the following is UV erasable? a. Flash memory b. SRAM c. EPROM d. DRAM 23- What kind of memory does an OTP have? a. SRAM b. RAM c. EPROM d. DRAM 24- To clear Timer over flow flag ___ a. Write logic one b. Write logic zero c. Clear the flag bit d. Toggle the flag bit 25- Timer has ___ different general modes a. 3 b. 4 c. 5 d. 6 26- External interrupt has ___ different pin sources a. 3 b. 4 c. 5 d. 6 27- TOV0 is cleared by ___ when executing the corresponding interrupt handling vector. a. Mistake b. Hardware c. Software d. Writing logic one 28- In normal Mode, Timer start counting from ___ to maximum value a. Zero b. TCNTx c. 0xFF  d. All of the above 29- Timer0 has ___ different wave generation mode a. 3 b. 4 c. 5 d. 6 30- To stop timer0 ___ a. Clear interrupt flag b. Clear three Clock Select bits c. Clear TCNTx register d. Clear TIFR