ISRO-2013-60

Question

The state of a process after it encounters an $I/O$ instruction is?

• A. Ready
• B. Blocked
• C. Idle 
• D. Running

Comments

option B ?

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ans should be waiting (blocked)so b is true

Answer 1

it can be ready or Suspended wait.

Comments

I/O completion isn't an I/O instruction. It's simply something that happened — an event.

Option B is correct.

Answer 2

A process that is blocked on some event (such as I/O operation completion or a signal) Here A process which need I/O operation moves to waiting state and blocks their till its I/O completion Then moves to ready state.

PS: The question seems to ignore non-blocking IO calls like printf

Answer 3

The State of a process after it encounter I/o instruction is blocked state . It has nothing to do with CPU after it encounter I/O instruction .

Hence answer is Blocked state

Answer 4

Blocked State.

Answer 5

ans is (a)

Comments

how A ...it is B bro