CS604 Quiz 1 Set 3

Q1. A parent process calling _____ system call will be suspended until children processes terminate.

1. Exit
2. Wait
3. Exec
4. Fork

Correct answer: Wait

Q2. The correct command for compiling C program named program.c in Linux environment is

1. gcc program.c –o FirstPrgram
2. gcc program.c –m FirstPrgram
3. gcc –z FirstProgram program.c
4. gcc –o FirstProgram program.c

Correct answer: gcc –o FirstProgram program.c

Q3. A signal is an event generated to get attention of

1. Interrupts
2. Process
3. Trap
4. Hard disk

Correct answer: Process

Q4. If your processor does not have two slots empty in Per Process File Descriptor Table, then your _________ system call will fail.

1. Read
2. Write
3. Pipe
4. Open

Correct answer: Pipe

Q5. _____ system call is used to write to a file or FIFO or any other IPC channel.

1. read
2. open
3. fork
4. write

Correct answer: write

Q6. Which of the following command is used to read data from file named academics?

1. con < academics
2. ran > academics
3. cat < academics
4. socket > academics

Correct answer: cat < academics

Q7. A ____________ enables a user process to request the operating system to execute a privileged instruction for it.

1. System call
2. Library call
3. Interrupt
4. Trap

Correct answer: System call

Q8. When sender never block because it has an infinite length storage area, then it means it is holding a queue of _____________ capacity.

1. Unbounded
2. Zero
3. Bounded
4. Defined

Correct answer: Unbounded

Q9. ____ command display the status of a process.

1. ls
2. cat
3. gcc
4. ps

Correct answer: ps

Q10. System calls provide the interface between a__________ and the Operating system

1. Kernel
2. Process
3. User
4. Machine

Correct answer: Process