IVERSITY COMPUTER ENGINEERING DEPARTMENT

CEN$221$ Computer Organization Final Examination

Student's Full Name

Student's Number

$\backslash$table$[[$Date$,10$ th Jan. $2023,$Place,$],[$Exam duration,$70$ minutes,Instructor$($s$),$Prof. Dr$.$ Emin Murat ESIN$]]$

Questions

Which registers in CPU can contain address value. Explain usage aim of these addresses.

Explain; what is the mean of using flag registers FGO and FGI while executing input and output operations.

Describe types of instruction codes given below by looking direct$/$indirect addressing, input$/$output$/$register modes and address portions. Describe the address if the instruction uses.

$1111110000000000$

$0111000000101100$

$0011000011110011$

$1011000011111111$

$1001000011111110$

There are three data in memory at three different addresses. Define an address for each data. Write an assembly program to find addition of these three values and to write to address location FF$09.$ Show the contents of the AC and PC registers on a table for each instruction.

Answers