81.
Which of the following can be used for long distance communication?
A
I2C
B
Parallel port
C
SPI
D
RS232
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135 practice sets · Page 5 of 7
Which of the following can be used for long distance communication?
I2C
Parallel port
SPI
RS232
Which of the following can be used as a chip select?
multifunction I/O port
parallel port
DMA port
memory port
Which of the following can be described as general-purpose?
multifunction I/O port
input port
DMA port
output port
Which of the following can affect the long distance communication?
clock
resistor
inductor
capacitor
Which of the following are used to test the software?
data entity
data entry
data table
data book
Which of the following are the pin efficient method of communicating between other devices?
serial port
parallel port
peripheral port
memory port
Which of the following are interfaced as the outputs to the parallel ports?
keyboards
switches
LEDs
knobs
Which of the following are interfaced as inputs to the parallel ports?
LEDs
switch
alphanumeric display
seven segmented display
Which of the following allows the reuse of the software and the hardware components?
platform based design
memory design
peripheral design
input design
Which of the following allows a lower priority task to run despite the higher priority task is active and waiting to preempt?
message queue
message passing
semaphore
priority inversion
Which is the most commonly used UART?
8253
8254
8259
8250
Which is the most basic non-volatile memory?
Flash memory
PROM
EPROM
ROM
Which is the first company who defined RISC architecture?
Intel
IBM
Motorola
MIPS
Which is the early form of non-volatile memory?
magnetic core memory
ferrimagnetic memory
anti-magnetic memory
anti-ferromagnetic
Which is the coprocessor of 8086?
8087
8088
8086
8080
Which interrupt provides system clock in the context switching?
software interrupt
hardware interrupt
peripheral
memory
Which determines the sequence and the associated tasks priority?
scheduling algorithm
ready list
task control block
application register
Which design activity is in charge of mapping operations to hardware?
scheduling
high-level transformation
hardware/software partitioning
compilation
Which design activity helps in the transformation of the floating point arithmetic to a fixedpoint arithmetic?
high-level transformation
scheduling
compilation
task-level concurrency management
Which coprocessor supports affine closure?
80187
80287
80387
8088