QUIZ-2 MID Assignment

LCD has two registers namely

• command & PW

• Command & Register

• Command & Data

• Data & SP

The "EN" on the LCD stands for

(a)  

MOVA, #0AFH ; i s___ type of Addressing Mode

• Immediate

• Register

• Direct

• Register Indirect

Select the Direct Memory Access (DMA)

• 8251

• 8257

• 8255

• 8085

Interfacing 8259 extends the interrupts upto

• 16

• 8

• 24

• 32

Which is not an SFR in 8051?

• GCON

• TCON

• PCON

• TMOD

Select the number of banks available in the 8051 controller

• 8

• 4

• 32

• 64

UART stands for

• Universal Asynchronous Retriever Transmitter

• Universal Asynchronous Retriever Transistor

• Universal Asynchronous Receiver Transmitter

• Universal Asynchronous Repeater Transmitter

As RS232 is not TTL compatible, we need___________chip while interfacing with 8051.

• MAX222

• MAX232

• MAX333

• MAX123

8051 Architecture is based on

• Von-Neumann

• Washington

• Apple

• Harvard