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8051 microcontroller is capable of accessing external memory of...
8051 microcontroller is capable of accessing external memory of
A) 128k B) 64k C) 32k D) 16k
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Which instruction of 8051 microcontroller is used for reading data from code memory?
What is the size of memory which can be accessed by direct accessing in 8085 microprocessor?
Draw the format of PSW register of 8051 microcontroller and explain the function of each bit.
State any four important features of 8051 microcontroller.
Draw and explain Internal port structure of Port 0 and Port 1 of 8051 microcontroller.
Explain with sketch the interfacing of 4 ×4 matrix keypad with 8051 microcontroller.
List specifications of 8051 microcontroller.
Describe 8051 microcontroller as boolean processor.
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On chip oscillator of 8051 has a nominal frequency (in MHz) of...
The bit addressable RAM of 8051 are at byte location (in Hex) ...
The register in the 8085A that is used to keep track of the memory address of the next op -code to be run...
Which of the following is a Read Only Memory storage device?
In 8085 microprocessor with memory mapped I/O which of the following is true?
For a traction transformer circuit breaker state: 1) Rated current and rupturing capacity 2) Any two tests it should be capable of withstanding 3) Overall tripping time and relay time.
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Calculate the size of memory address space for a 16 bit data and 20 bit address bus.
The average time required to reach a storage location in the memory to read or retrieve the contents of
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In D.C. generators, current to the external circuit from armature is given through?
State the external causes of failure of electrical equipment.
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In a 8085 microprocessor system with memory mapped I / 0,
Describe power down mode and ideal mode of 8051 with circuit diagram . which SFR is used to set these modes and draw the same.
State the alternate pin functions of port 3 of 8051.
Draw interfacing of 16 × 2 LCD with 8051 and state the function of EN and RS of LCD
Describe serial communication in 8051. Explain the use of SCON register.
Draw the format of TCON register of 8051 and describe the function of each bit of it.
Explain following instructions of 8051. (i) ADDC (ii) L CALL
Explain processes of interrupt enabling and disabling in 8051.
Explain function of following pins of 8051 (i) Pin 31 (ii) Pin 29 (iii) Pin 21-28
Draw and explain the interfacing of DAC to 8051.
List out features of any four addressing modes of 8051.
Memory unit is one part of __________.
As compared to the primary memory, the cache memory of the computer is
An array of size 100 is given and the memory addressing is byte by byte. If The base address of the array is...
106 bytes of memory is called (1) 1 KB (2) 1 MB (3) 1 GB (4) 1 TB
230 bytes of memory is called (1) 1 KB (2) 1 MB (3) 1 GB (4) 1 TB
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