MPMC UNIT TEST - I

Enter your Roll Number (as in College ID Card)

The word size of Intel 8051 microcontroller is _____. [CO1] [K1]

• 4-bit

• 8-bit

• 16-bit

• 32-bit

The size of the internal RAM memory of Intel 8051 is ____. [CO1] [K1]

• 4 KBytes

• 128 KBytes

• 256 Bytes

• 128 Bytes

Intel 8051 microcontroller have ____ Ports and each port has ____ pins. [CO1] [K1]

• 4 Ports & 4 Pins

• 8 Ports & 4 Pins

• 4 Ports & 8 pins

• 8 Ports & 8 Pins

Intel 8051 have ____ Timers and the size of each timer is ____. [CO1] [K1]

• 4 Timers & 8-bit

• 2 Timers & 16-bit

• 8 Timers & 16-bit

• 2 Timers & 8-bit

Which of the following serial communication interface is available in Intel 8051 internally? [CO1] [K1]

• UART Protocol

• I2C Protocol

• SPI Protocol

• CAN Protocol

Identify the following capability of Accumulator Register in Intel 8051. [CO2] [K2]

(Note: Multiple answers may be correct)

• To perform all Arithmetic operation one of the operand must be stored in Accumulator Register

• Accumulator points to the address of the next instruction

• The result of all arithmetic operations done in ALU gets stored in Accumulator

• Accumulator points to the top of the stack memory

Choose the following register(s) of Intel 8051 which must be used to perform multiplication and division operation. [CO3] [K2]

(Note: Multiple answers may be correct)

• Accumulator (A)

• Program Status Word (PSW)

• Program Counter (PC)

• B register

Identify the bit addessable Special Function Register(s) of Intel 8051 from the following. [CO2] [K2]

(Note: Multiple answers may be correct)

• Accumulator (A) - E0H

• Data Pointer (DPTR) - 82H & 83H

• Stack Pointer (SP) - 81H

• Program Status Word (PSW) - D0H

Consider an Intel 8051 based embedded system requires a program memory of 2KBytes and RAM memory of 56 Bytes. Suggest an optimal configuration to reduce the complexity of the system from the below options. [CO3] [K2]