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Operating systems basics: multiprogramming, interrupts, memory
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Preguntas del test (8)
1Which of the following is true about multi-programmed batch operating systems versus operating systems for PCs? More than one statement may be true.
- AA PC operating system must switch rapidly between different jobs, whereas a batch system may not need to manage time sharing.
- BOperating systems for PCs and multi-programed batch operating systems must implement memory protection mechanisms.
- CAn operating system for a PC must be concerned with response time for an interactive user.
- DMulti-programed batch operating systems don't require a scheduler.
2Main memory is suitable for .
Among the following, choose all options that make the sentence above true.- Astoring user data for immediate processing by the CPU
- Bstoring user program for execution
- Cstoring operating system code
- Dstoring data for backup and loss recovery
3There won't be a RAM inside a CPU.
- AVerdadero
- BFalso
4Which of the following services are provided by a modern operating system? Mark all that apply.
- Afacilitates program execution
- Bsupports program development including code compilation
- Cprotects data on hard drives
- Dprovides for spell-checking in word processor applications
- Ereads data from a usb thumb drive
5Check all that is true about symmetric multiprocessing architectures.
- Ait allows the OS to run on any core/processor
- Bit may provide L2 cache shared between all processors
- Cit must provide L1 cache shared between the cores of a processor
- Dit may execute multiple programs simultaneously
6Mark all statements about interrupts that are false?
- AAn interrupt is a signal for the operating system that seeks the attention of the operating system towards something specific.
- BAn interrupt can be generated only through hardware activity.
- CWhen an interrupt occurs, the operating system runs the Interrupt Service Routine specific to the interrupt in kernel mode.
- DAn interrupt may prevent a user program from continuing its operation.
7At the most basic level, a computer is a device consisting of three main pieces: a processor; an I/O mechanism, and ____________.
- Aa hard drive
- Ba system clock
- CI/O ports
- Dmemory
8Clock speeds in today's microprocessors are measured in gigahertz .
- AVerdadero
- BFalso
Información
- Descripción
- Test sobre Sin título, creado por Bill FuckYou el 25/09/2024.
- Autor
- Bill FuckYou
- Idioma
- English
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