EMECH-PK-1

Which pin is marked as the master reset (RST) function in microcontroller IC 8051?

• Pin No 9
• Pin No 20
• Pin No 30
• Pin No 40

Which circuits uses microcontroller?

• Computers
• Multimeters
• Microprocessors
• Embedded system

Which is developed to overcome the drawback of the microprocessor?

• JFET
• MOSFET
• IGBT
• Microcontroller

Expand the abbreviation CISC used in microcontroller?

• Complete Instruction Set Computer
• Compact Instruction Set Computer
• Complex Integer Set Computer
• Complex Instruction Set Computer

Which electronic component is connected in pin number 18 and 19 of the IC 8051 microcontroller?

• Sensor
• Crystal
• Resistor
• Zener diode

How many bits are numbered from OOH to 7FH for general-purpose addressable locations in 8051 microcontroller?

• 32 bits
• 64 bits
• 128 bits
• 256 bits

Which instruction set, the accumulator specific instructions are grouped?

• Logic
• Arithmetic
• Data transfer
• Control transfer

How many instructions available in the microcontroller family instruction set?

• 17
• 45
• 49
• 111

How the logic operations performed by the MCS 51 family microcontroller?

• Bit operand
• Opcode format
• Function mnemonic
• Bits and Byte operands

What is the Vcc supply pin number for the microcontroller IC 8051?

• 21
• 30
• 38
• 40