Computer Organization and Architecture Mcqs

Page No. 27

The best mode of connection between devices which need to send or receive large amounts of data over a short distance is _____


aBUS

✖


bSerial port

✖


cParallel port

✓


dIsochronous port

✖


View Answer Parallel port

To overcome multiple signals being generated upon a single press of the button, we make use of ______


aGenerator circuit

✖


bDebouncing circuit

✓


cMultiplexer

✖


dXOR circuit

✖


View Answer Debouncing circuit

The _____ circuit enables the generation of the ASCII code when the key is pressed.


aGenerator

✖


bDebouncing

✖


cEncoder

✓


dLogger

✖


View Answer Encoder

In a serial port interface, the INTR line is connected to _____


aStatus register

✓


bShift register

✖


cChip select

✖


dNone of the mentioned

✖


View Answer Status register

The standard used in serial ports to facilitate communication is _____


aRS-246

✖


bRS-LNK

✖


c RS-232-C

✓


dBoth RS-246 and RS-LNK

✖


View Answer RS-232-C

The data transfer in UART is done in ______


aAsynchronous start stop format

✓


bSynchronous start stop format

✖


cIsochronous format

✖


dEBDIC format

✖



UART stands for ________


aUniversal Asynchronous Relay Transmission

✖


bUniversal Accumulator Register Transfer

✖


cUniversal Asynchronous Receiver Transmitter

✓


dNone of the mentioned

✖



______ to increase the flexibility of the serial ports.


aThe wires used for ports is changed

✖


bThe ports are made to allow different clock signals for input and output

✓


cThe drivers are modified

✖


dAll of the mentioned

✖



The double buffer is used for _________


aEnabling retrieval of multiple bits of input

✓


bCombining the input and output operations

✖


cExtending the buffer capacity

✖


dNone of the mentioned

✖



The serial port is used to connect basically _____ and processor.


aI/O devices

✓


bSpeakers

✖


cPrinter

✖


dMonitor

✖


View Answer I/O devices

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