CS530 Midterm
Total Marks = 50 Points (20% of the semester grade)
Exam time – 5:30 PM to 6:45 PM (15 mins more to upload the document, the window for upload closes at 7 PM)
Only PDF or Doc file formats are accepted
Use Code4.pdf on week 2 in class module for SIC/XE Opcode
If you email me then there will be a late submission penalty rule (20%) that applies to the entire test (within next 2 hours), after that it is not accepted.
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Q1. True/False questions (10 Points)
1. T/F – if (B)=006000 (PC)=003600 (X)=000090, for the machine instruction 0x003600, the target address is 003000.
2. T/F – F register stores the address of the next instruction.
3. T/F – The operating system visits memory once in the immediate addressing mode
4. T/F – GAMMA RESW 200 – This means the Operating system should reserve 200 bytes in memory
5. T/F – Programs block numbers are used in relative memory addresses.
Q2. (10 Points)
Indirect Addressing Mode
Instruction
002A J@ RETADR 3E2003
0030 RETADR RESW 3
Instruction Starts with 002A
Opcode of J is 3C
Object code is 3E2003
Show the detail work to get the above object code from the instruction.
Q3. (10 Points)
Find the value of Register A for the instruction – 03C300
Show the detail work
Q 4. Assign the location in the memory for the below codes – 6 points
find the object code for the instructions – 7 points
create the object program – 7 Points