Mumbai University Launches Helpline Number for Exam and any student queries – Check All Details Here

Mumbai University

Mumbai University on Tuesday released a helpline number and an email facility for all Mumbai University Students irrespective of their degree/fields. MU launched the helpline number to solve any student-related queries, due … Read more

MU Website Creating A Database To Help Mumbaikars During COVID-19 Pandemic

MU Website

[adinserter block=”1″] Residents can help by adding contacts, names and details of shop owners on MU Website. HIGHLIGHTS : People can now help those quarantined at home. Contacts verified and published on the MU website. Any person can click on the link and fill up details in the form. This site has been created to … Read more

Q. 3. Explain the various addressing modes of 8085 with example

Answer : These are various technique to specify data for instruction Direct addressing mode Register addressing mode Register addressing mode Immediate addressing mode Implicit addressing mode   Direct addressing mode : In this addressing mode the address of the operand is given in the instruction. Ex: STA 2000H &IN 02H  Register addressing mode: In this … Read more

Q.2. With neat diagram explain interrupt structure of 8085.

Interrupts are the signals generated by the external devices to request the microprocessor to perform a task. There are 5 interrupt signals, i.e. TRAP, RST 7.5, RST 6.5, RST 5.5, and INTR. Interrupt are classified into following groups based on their parameter : Vector interrupt : In this type of interrupt, the interrupt address is … Read more

Q.1. Draw and explain timing diagram for ‘Write operation’ in minimum mode of 8086.

Answer : The timing diagram for write operation in minimum mode is shown in fig above: When processor is ready to initiate the bus cycle, it applies a pulse to ALE during T1. Before the falling edge of ALE, the address, BHE, M/IO, DEN and DT/R must be stable i.e. DEN = high and DT/R … Read more