Embedded system

Which one of the following is a real time operating system?

• a) RTLinux

• b) VxWorks

• c) Windows CE

• d) All of the mentioned

Real time systems must have ____________


c)

• a) preemptive kernels

• b) non preemptive kernels

• C) preemptive kernels or non preemptive kernels

• d) neither preemptive nor non preemptive kernels

Remote Procedure Calls are used ____________

• a) for communication between two processes remotely different from each other on the same system

• b) for communication between two processes on the same system

• c) for communication between two processes on separate systems

• d) none of the mentioned

A Process Control Block(PCB) does not contain which of the following?

• a) Code

• b) Stack

• c) Bootstrap program

• d) Data

The initial program that is run when the computer is powered up is called __________

• a) boot program

• b) bootloader

• c) initializer

• d) bootstrap program

Which of the following condition is required for a deadlock to be possible?

• a) mutual exclusion

• b) a process may hold allocated resources while awaiting assignment of other resources

• c) no resource can be forcibly removed from a process holding it

• d) all of the mentioned

Message passing system allows processes to __________

• a) communicate with each other without sharing the same address space

• b) communicate with one another by resorting to shared data

• c) share data

• d) name the recipient or sender of the message

ARM stands for

• a )Advanced Risc Machine

• b) Advanced Risc Microprocessor

• c )Advanced Risc Microcontroller

• d )None of above

The address system supported by ARM systems is/are ___________

• a) Little Endian

• b) Big Endian

• c) X-Little Endian

• d) Both Little & Big Endian

The banked registers are used for ______

• a) Switching between supervisor and interrupt mode

• b) Extended storing

• c) Same as other general purpose registers

• d) None of the mentioned