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What is a AVR microcontroller?

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Description : What is the difference between microcontroller and ARM processor?

Description : What is microcontroller programming?

Description : What is a microcontroller and what does it do?

Description : What is the difference between a microcontroller and a microprocessor?

Answer : Compare microprocessor and microcontroller Microprocessor Microcontroller 1)Inbuilt RAM and ROM 1)Do not have inbuilt RAM or ROM 2)Inbuilt timer 2)Doesn't have inbuilt timer ... same memory 6)Many Multifunction pins on the IC  6)less multifunction Pins on IC.

Description : Enlist the advantages of Microcontroller

Answer : Advantages of microcontrollers:  It is an integrated chip with all valuable components including RAM, ROM, I/O Ports.  Cost reducing programs with simple circuitry.  Inbuilt timers / ... Microcontrollers are cheap and very small in size.  Programming of Microcontrollers is simple to learn

Description : Draw block diagram of microcontroller based pick and place Robot. List the four movements required by this Robot.

Answer : Diagram : Explanation: The robot has three axes about which motion can occur. Rotation in a clockwise or anti-clock wise direction of the unit on its base Arm extension or ... . The gripper can be opened or closed by the piston in a linear cylinder extending or retracting as.

Description : Is Arduino microcontroller or microprocessor?

Description : Is the Arduino a microcontroller?

Description : From india

Answer : Arduino Uno R3 with USB Cable    Rs. 500.00 BUY NOW FROM AMAZON

Description : AVR microcontroller executes most of the instruction in _________________. A. Single execution cycle. B. Double execution cycle. C. Both A& B D. None of the above.

Answer : A. Single execution cycle. 

Description : Which instruction set architecture is used in Raspberry Pi? A. X86 B. MSP C. AVR D. ARM

Answer : D. ARM 

Description : AVR stands for_____________________. A. Advanced Virtual RISC. B. Alf-Egil Bogen and Vegard Wollan RISC C. Both A & B D. None of the above

Answer : C. Both A & B 

Description : ______________ was developed in the year 1996 by ATMEL Corporation A. PIC B. AVR C. ARM D. ASIC

Answer : B. AVR 

Description : ______________ is the smallest microcontrollers which can be programmed to perform a large range of tasks. A. PIC microcontrollers B. ARM microcontrollers C. AVR microcontrollers D. ASIC microcontrollers

Answer : A. PIC microcontrollers 

Description : Compare features of PIC and AVR microcontrollers

Answer : Parameters PIC AVR Bus width 8/16/32-bit 8/32-bit Communication Protocols UART, USART, LIN, CAN, Ethernet, SPI, I2C UART, USART, SPI, I2C, (special ... Average Atmel Popular Microcontrollers PIC18fXX8, PIC16f88X, PIC32MXX Atmega8, 16, 32, Arduino Community

Description : What is the microcontroller used in Arduino UNO? A. ATmega328p B. ATmega2560 C. ATmega32114 D. AT91SAM3x8E

Answer : A. ATmega328p 

Description : The clock frequency of an 8085 microprocessor based system is 3 MHz. What should be the minimum pulse width of the INTR signal so that it is recognized successfully? A) 5.6 µs B) 5.7 µs C) 5.8 µs D) 5.9 µs

Answer : The clock frequency of an 8085 microprocessor based system is 3 MHz. What should be the minimum pulse width of the INTR signal so that it is recognized successfully? A) 5.6 µs B) 5.7 µs C) 5.8 µs D) 5.9 µs

Description : What is the Power Supply specification for 8085AH microprocessor? A) Single +5V supply with 10% voltage margins B) Dual +5V supply with 10% voltage margins C) Single +10V supply with 5% voltage margins D) Dual +5V supply with 5% voltage margins 

Answer : What is the Power Supply specification for 8085AH microprocessor? A) Single +5V supply with 10% voltage margins B) Dual +5V supply with 10% voltage margins C) Single +10V supply with 5% voltage margins D) Dual +5V supply with 5% voltage margins 

Description : What is the size of memory which can be accessed by direct accessing in 8085 microprocessor? A) 64 kB B) 4 kB C) 128 kB D) 128 MB 

Answer : What is the size of memory which can be accessed by direct accessing in 8085 microprocessor? A) 64 kB B) 4 kB C) 128 kB D) 128 MB 

Description : What addressing mode is used in the instruction RET?  (a) Direct (b) Immediate (c) Implicit (d) Register-indirect

Answer : What addressing mode is used in the instruction RET?  (a) Direct (b) Immediate (c) Implicit (d) Register-indirect

Description : What are the different types of microcontrollers?

Description : Processors used in many microcontroller products need to be______ A. high power B. low power C. low interrupt response D. low code density

Answer : B. low power 

Description : Explain the various selection factors of microcontroller suitable for application.

Answer : The selection of microcontroller depends upon the type of application. The following factors must be considered while selecting the microcontroller.  1. Word length: The word length of ... and for lesser production EPROM version or CPU version with external program memory is suitable

Description : State and explain the need of the following development tools microcontroller board: (i) Editor (ii) Assembler (iii) Compiler (iv) Linker

Answer : 1) Editor: An editor is a program which helps you to construct your assembly language program in right format so that the assembler will translate it correctly to machine language. So, you can type your ... . Some examples of linker are ASEM-51 BL51, Keil u Vision Debugger, LX 51 Enhanced Linker etc

Description : Draw the format of PSW register of 8051 microcontroller and explain the function of each bit.

Answer : 1. CY: Carry flag. This flag is set whenever there is a carry out from the D7 bit after an 8 bit addition or subtraction. It can also be set to 1 or 0 directly by instructions such as SETB C and ... the A register contains an odd number of 1s, then P=1. P=0 if A has an even number of 1s.

Description : Define the term BUS related to microprocessor/controller and list different buses used in microcontroller.

Answer : BUS: A Bus is a set of physical connections used for communication between CPU and peripherals. Different buses used in microcontroller are: 1. Address Bus 2. Data Bus 3. Control Bus

Description : State any four important features of 8051 microcontroller.

Answer : Features of 8051 microcontroller:  1) 8- bit data bus and 8- bit ALU. 2) 16- bit address bus - can access maximum 64KB of RAM and ROM. 3) On- chip RAM -128 bytes (Data ... 0 and Timer 1, two external hardware interrupts- INT0 and INT1, Serial communication interrupt for both receive and transmit.

Description : Draw and explain Internal port structure of Port 0 and Port 1 of 8051 microcontroller.

Answer : Port-0 can be configured as a normal bidirectional I/O port or it can be used for address/data interfacing for accessing external memory. When control is '1', the port is used for address/data ... is not able to sink the current the pin voltage may rise, leading to a possible wrong reading.

Description : Differentiate between (i) Harvard and Von-neuman architecture (ii) Microprocessor and Microcontroller

Answer : i) Harvard Architecture and Von-neuman architecture ii) Microprocessor and Microcontroller

Description : Explain with sketch the interfacing of 4 ×4 matrix keypad with 8051 microcontroller.

Answer : Interfacing keypad Fig. shows how to interface the 4 X 4 matrix keypad to two ports in microcontroller. The rows are connected to an output port and the columns are connected to an input port. To ... key has been pressed, the next task is to find out which column the pressed key belongs to.

Description : Application for logical instruction in microcontroller programming

Description : Microcontroller used in laser sensor applications

Description : Application of microcontroller in oil temperature

Description : Applications of microcontroller in pumps

Description : Application of PCB etching machine in microcontroller

Description : Describe 8051 microcontroller as boolean processor.

Answer : * 8051 processor is a CPU that can perform some operation on a data and gives the output. * The 8051 processor contains a complete Boolean processor for single-bit operations. * The internal RAM contains 128 ... CLR C means clear the carry bit SETB 20h means set the memory bit with bit address 20h.

Description : List specifications of 8051 microcontroller.

Answer : 1) 8- bit data bus and 8- bit ALU. 2) 16- bit address bus - can access maximum 64KB of RAM and ROM. 3) On- chip RAM -128 bytes (Data Memory) 4) On- chip ROM - 4 KB ( ... 0592 MHz 9) Has power down and idle mode in microcontroller when no operation is performed. 10) Six interrupts are available.

Description : Explain microcontroller based antilock brake system with neat block diagram.

Answer : An ABS is a system on motor vehicles which prevents the wheels from locking while braking stopping safely is one of the most important functions a motor vehicle can perform ... valves to decrease the pressure on the braking circuit, effectively reducing the braking force on that wheel.

Description : Compare microprocessor and microcontroller

Answer : Application Microprocessor - Computer, Mobile phone, calculator Microcontroller - washing machine, microwave oven Microprocessor Microcontroller Do not have inbuilt RAM or ROM ... access Less multifunction pins on the IC Many multifunction pins on the IC

Description : Draw the labeled interfacing diagram to interface relay with 89C51 microcontroller.

Answer : the labeled interfacing diagram to interface relay with 89C51 microcontroller

Description : Which instruction of 8051 microcontroller is used for reading data from code memory?  A) Mov B) MOVC C) MOVX D) XCH

Description : 8051 microcontroller is capable of accessing external memory of  A) 128k B) 64k C) 32k D) 16k

Description : why arduino is better than other microcontroller ?

Answer : The reason is that the ardunio is the simple way of using the code language because it's resemble like c language and other microcontroller like rasberry pi used the python programming language.

Description : The register AX is formed by grouping ________  A. AH & AL B. BH & BL C. CH & CL D. DH & DL

Answer : The register AX is formed by grouping AH & AL

Description : The IF is called as _________ A. initial flag B. indicate flag C. interrupt flag D. inter flag

Answer : The IF is called as  interrupt flag

Description : The OF is called as _______ A. overflow flag B. overdue flag C. one flag D. over flag 

Answer : The OF is called as overflow flag

Description : The SF is called as ________ A. service flag B. sign flag C. single flag D. condition flag

Answer : The SF is called as sign flag

Description : The CF is known as ________ A. carry flag B. condition flag C. common flag D. single flag

Answer : The CF is known as carry flag

Description : The 16 bit flag of 8086 microprocessor is responsible to indicate ___________ A. the condition of result of ALU operation B. the condition of memory C. the result of addition D. the result of subtraction 

Answer : The 16 bit flag of 8086 microprocessor is responsible to indicate the condition of result of ALU operation

Description : The work of EU is ________ A. encoding B. decoding C. processing D. calculations 

Answer : The work of EU is decoding 

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