EC2304 MICROPROCESSORS AND MICROCONTROLLERS
ECE 5TH SEMESTER
CLASS INTERNAL ASSESMENT TEST – 2
TIME: 01.30 hoursmax marks: 50
PART-A (9*2=18)
1. What is sample and hold circuit?
2. State the application of programmable interval timer?
3. List the four display modes of 8279 keyboard/display controller?
4. An array of 05 numbers is stored in the internal data RAM starting from the
location 40H write a program to move the array starting from location 30H.
5. What are the hardware and software interrupts of 8051 and mention its vector address?
6. How the selection of particular register bank is done in 8051?
7. Mention the size of memory system used in 8091 microcontroller?
8. Mention the different operand types used in 8051 microcontroller?
Full Name : Anand A
College Name : MBEC
Department : ECE
Semester : fifth
Subject Code : EC2304
Subject Name : Microprocessors & Microcontrollers
Study Material Description : CIA TEST SEP 2014
Attachment :
EC2304 - Microprocessors and Microcontrollers [ CIA 2 ].pdf (Size: 234.36 KB / Downloads: 327)
