Embedded Real Time Operating System Set 3
On This Page
This set of Embedded Real Time Operating System Multiple Choice Questions & Answers (MCQs) focuses on Embedded Real Time Operating System Set 3
Q1 | The PCI follows a set of standards primarily used in _____ PC’s.
- intel
- motorola
- sun
- IBM
Q2 | How may standard levels of interrupts are provided on the 8-bit ISA bus (XT-class computer)?
- 4
- 8
- 12
- 16
Q3 | The acronym HDI stands for:The acronym HDI stands for:
- Half duplex interface
- Hard disk
- Hard disk interface
- Help desk interference
Q4 | Bus which used to connect the monitor to the CPU is
- PCI bus
- SCSI bus
- memory bus
- rambus
Q5 | Bus which is used to connect Macintosh keyboards and mouse is
- USB
- FireWire
- SCSI
- ISA
Q6 | The device which starts data transfer is called __________
- Master
- Transactor
- Distributor
- Initiator
Q7 | The method which offers higher speeds of I/O transfers is ___________
- Memory mapping
- Interrupts
- Program-controlled I/O
- DMA
Q8 | The asynchronous BUS mode of transmission allows for a faster mode of data transfer.
- true
- false
Q9 | ______ is used as an intermediate to extend the processor BUS.
- Bridge
- Router
- Gateway
- Connector
Q10 | ________ is an extension of the processor BUS.
- SCSI BUS
- USB
- PCI BUS
- None of the mentioned
Q11 | The system developed by IBM with ISA architecture is ______
- SPARK
- SUN-SPARK
- PC-AT
- None of the mentioned
Q12 | The best mode of connection between devices which need to send or receive large amounts of data over a short distance is _____
- Bus
- Serial Port
- Parallel port
- Isochronous port
Q13 | The device which is allowed to initiate data transfers on the BUS at any time is called _____
- Bus Master
- Processor
- Controller
- BUS arbitrator
Q14 | The PCI BUS supports _____ address space/s.
- I/O
- Memory
- Configuration
- All of the mentioned
Q15 | The _________ present a uniform device-access interface to the I/O subsystem, much as system calls provide a standard interface between the application and the operating system.
- Devices
- Buses
- Device drivers
- I/O systems
Q16 | An I/O port typically consists of four registers status, control, ________ and ________ registers.
- system in, system out
- data in, data out
- flow in, flow out
- input, output
Q17 | The CPU hardware has a wire called __________ that the CPU senses after executing every instruction.
- interrupt request line
- interrupt bus
- interrupt receive line
- interrupt sense line
Q18 | The _________ determines the cause of the interrupt, performs the necessary processing and executes a return from the interrupt instruction to return the CPU to the execution state prior to the interrupt.
- interrupt request line
- device driver
- interrupt handler
- All of Above
Q19 | The usual BUS structure used to connect the I/O devices is ___________
- Star BUS structure
- Multiple BUS structure
- Single BUS structure
- Node to Node BUS structure
Q20 | The method of accessing the I/O devices by repeatedly checking the status flags is ___________
- Memory-mapped I/O
- Program-controlled I/O
- I/O mapped
- None of the mentioned
Q21 | The classification of BUSes into synchronous and asynchronous is based on __________
- The devices connected to them
- The type of data transfer
- The Timing of data transfers
- None of the mentioned
Q22 | In synchronous BUS, the devices get the timing signals from __________
- Timing generator in the device
- A common clock line
- The Timing of data transfers
- None of the mentioned
Q23 | The asynchronous BUS mode of transmission allows for a faster mode of data transfer.
- true
- false
Q24 | The use of spooler programs or _______ Hardware allows PC operators to do the processing work at the same time a printing operation is in progress.
- Register
- memory
- Buffer
- Cpu