Explore topic-wise InterviewSolutions in .

This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

1.

Identify the circumstances under which pre-emptive CPU scheduling is used:(a) A process switches from Running state to Ready state(b) A process switches from Waiting state to Ready state(c) A process completes its execution(d) A process switches from Ready to Waiting stateChoose the correct option:(A)(a) and (b) only(B)(a) and (d) only(C)(c) and (d) only(D)(a), (b), (c) only

Answer»
Discussion
2.

(A)19(B)18(C)17(D)20

Answer»
Discussion
3.

(A)(a), (b) and (c) only(B)(c) and (d) only(C)(a) and (b) only(D)(a), (b) and (d) only

Answer»
Discussion
4.

A computer uses a memory unit of 512 K words of 32 bits each. A binary instruction code is stored in one word of the memory. The instruction has four parts: an addressing mode field to specify one of the two-addressing mode (direct and indirect), an operation code, a register code part to specify one of the 256 registers and an address part. How many bits are there in addressing mode part, opcode part, register code part and the address part?(A)1, 3, 9, 19(B)1, 4, 9, 18(C)1, 4, 8, 19(D)1, 3, 8, 20

Answer»
Discussion
5.

The sequence diagram given in Figure 1 for the Weather Information System takes place when an external system requests the summarized data from the weather station.The increasing order of lifeline for the objects in the system are:(A)Sat comms → Weather station → Comms link → Weather data(B)Sat comms → Comms link → Weather station → Weather data(C)Weather data → Comms link → Weather station → Sat Comms(D)Weather data → Weather station → Comms link → Sat Comms

Answer»
Discussion