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This set of MCQs helps students to learn about real time operating systems, commonly known as an RTOS, is a software component that rapidly switches between tasks, giving the impression that multiple programs are being executed at the same time on a single processing core.
Which of the following provides a buffer between the user and the low-level interfaces to the hardware?
Operating system
Kernel
Software
Hardware
Which of the following enables the user to utilise the system efficiently?
Kernel
Operating system
Software
Hardware
Which of the following can make the application program hardware independent?
Software
Application manager
Operating system
Kernel
Which of the following speed up the testing process?
Kernel
Software
Application manager
Program debugging tools
Which of the following includes its own I/O routine?
Hardware
Kernel
Operating system
Application manager
Which forms the heart of the operating system?
Kernel
Applications
Hardware
Operating system
Which of the following locates a parameter block by using an address pointer?
OS
Kernel
System
Memory
Which of the following are not dependent on the actual hardware performing the physical task?
Applications
Hardware
Registers
Parameter block
Which of the following bus can easily upgrade the system hardware?
Control bus
Data bus
VMEbus
Bus interface unit
Which of the following is the first widely used operating system?
MS-DOS
Windows XP
Android
CP/M
Which of the following works by dividing the processor’s time?
Single task operating system
Multitask operating system
Kernel
Applications
Which of the following decides which task can have the next time slot?
Single task operating system
Applications
Kernel
Software
Which of the following controls the time slicing mechanism in a multitasking operating system?
Kernel
Single tasking kernel
Multitasking kernel
Application manager
Which of the following provides a time period for the context switch?
Timer
Counter
Time slice
Time machine
Which of the following can periodically trigger the context switch?
Software interrupt
Hardware interrupt
Peripheral
Memory
