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SPCC_2025_26
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Consider the following Three-Address Code (TAC) program:
| 1. | x = 1 |
| 2. | if x > 0 goto 4 |
| 3. | x = x + 1 |
| 4. | if x < 5 goto 2 |
| 5. | print x |
How many basic blocks does this program contain?
During macro expansion, in which data structure does the macro processor store the actual arguments passed in a macro call?
A macro is defined with two formal parameters, but it is called with only one actual argument — the second is omitted. What does the macro processor do during expansion?
Consider the following SIC assembly program (each instruction is 3 bytes; RESW n reserves n × 3 bytes):
| START | 1000 | |
| LDA | A | |
| STA | B | |
| A | RESW | 1 |
| B | RESW | 1 |
| END |
What is the total length of this program in hexadecimal?
Consider the following SIC assembly program (addresses in hexadecimal; each instruction and each reserved word occupies 3 bytes):
| START | 1000 | |
| LDA | ALPHA | |
| STA | BETA | |
| ALPHA | RESW | 2 |
| BETA | RESW | 1 |
| END |
What is the hexadecimal address of the label BETA?