8051 architecture_1

What is your name?

Write your complete roll number

The internal RAM space of the 8051 is

• 16 bits

• 128 bytes

• 4 k bytes

• 128 k bytes

8051 has _____________ timers

• 2

• 4

• 5

• 1

8051 is a __________ bit microcontroller

• 16

• 8

• 32

• 64

There are ________ I/O ports in 8051 microcontroller

• 8

• 4

• 2

• 1

There are __________ flags in 8051

• 5

• 4

• 8

• 7

Accumulator is bit addressable

• True

• False

The register involved in all the arithmetic and logical operations is

ROM-less version of 8051 is

• 8052

• 8751

• 8031

• 89C51