Worksheets19IT5203 MICROCONTROLLER AND EMBEDDED SYSTEMS
Total questions: 10
Worksheet time: 5mins
ALU PERFORMS
Arithmetic Operation
Logical Operation
Arithmetic and Logical Operation
Relational Operation
Microprocessor contains
ALU and Registers
Control unit and Registers
ALU and Control Unit
ALU, Control unit and Registers
8051 Microcontroller is
16 bit Microcontroller
8 bit Microcontroller
32 bit Microcontroller
64 bit Microcontroller
How many Ports are used in 8051 ?
3
4
2
5
What is the capacity of on-chip RAM and ROM in 8051?
256 bytes of RAM and 64 KB of ROM
256 bytes of RAM and 4KB of ROM
128 bytes of RAM and 4KB of ROM
128 bytes of RAM and 64KB of ROM
How many Pins are available in 8051?
35
32
40
38
Which Port has the Multiplexing of Address and Data bits?
PORT 0
PORT 1
PORT 2
PORT 3
Which Port has the additional functionalities such as T0,T1,RD(bar), WR(bar) etc..
PORT 0
PORT 1
PORT 2
PORT 3
Which pin belongs to XTAL2 and XTAL1 ?
19 & 20
17 & 18
22 & 23
18 & 19
Which signal is used to separate Address and Data bits?
PSEN
RST
ALE
EA
