Question

In: Computer Science

Anwser questions : 1. Complexity of instruction selection depends upon Select one: a. Level of the...

Anwser questions :

1. Complexity of instruction selection depends upon

Select one:

a. Level of the IR

b. Desired quality of the generated code

c. Nature of the ISA

d. All of them

2.

Which is NOT part of a language runtime system?

Select one:

a. process scheduling

b. Multi-threading support

c. Exception handling

d. Memory allocation

3. What is the grammar G for the following language?

L (G) = { 0ⁿ 1ⁿ | n>=1 }

Expert Solution

1. Answer--- option D

Complexity of instruction selection depends upon, Level of the IR , Desired quality of the generated code , Nature of the ISA.

Explanation-----------

Level of IR can help to genrates more efficient code.
completeless of ISA may affets our code.
context and amount of information to the process affects the code quality.

These all factors are depends upon, complexity of instruction selection.

2. Answer----- option A

process scheduling.

Explanation------------------

Dynamic or runtime multi -threading are used.
Exception handling are used in runntime. Its a runtime mechanism to check if any exception is occurs or not.
memmory allocation contains comiple time or also runtime. Its also called as dynamic memory allocation.so its also part of runtime system.
now, process scheduling is just, the activity of the process manager that handles the remove of the running process from the CPU and the select the another process.

so, Process scheduling is not the part of process scheduling. so, answer is option A.

Q.3 Answer---

the language L (G) = { 0ⁿ 1ⁿ | n>=1 }. here both the 0 and 1 accept grammer upto n.

now consider, n=0 then our grammer is 0^1 and 1^1= 01

if n=2 then we get 0011.

so, grammer L(G) = {01,0011,000111,00001111.......................}.

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venereology answered 6 months ago

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