21.
Which one is the floating point coprocessor of 80286?
A
8087
B
80187
C
80287
D
80387
Loading practice questions
135 practice sets · Page 2 of 7
Which one is the floating point coprocessor of 80286?
8087
80187
80287
80387
Which of the signal is set to one, if no data is transmitted?
READY
START
STOP
TXD
Which of the signal can control bus arbitration logic in 8250?
MR
DDIS
INTR
RCLK
Which of the processor has an internal coprocessor?
8087
80287
80387
80486DX
Which of the following works by dividing the processors time?
single task operating system
multitask operating system
kernel
applications
Which of the following uses its own address space?
thread
process
task
kernel
Which of the following technique is used by the UNIX operating system?
logical address memory
physical address memory
virtual memory technique
translational address
Which of the following supports seven interrupt priority level?
kernel
operating system
VMEbus
data bus
Which of the following stores all the task information that the system requires?
task access block
register
accumulator
task control block
Which of the following statements are true for von Neumann architecture?
shared bus between the program memory and data memory
separate bus between the program memory and data memory
external bus for program memory and data memory
external bus for data memory only
Which of the following registers offers high impedance?
data register
data direction register
individual control bit
data register and data direction register
Which of the following provides time period for the context switch?
timer
counter
time slice
time machine
Which of the following provides stability to the multitasking system?
memory
DRAM
SRAM
Memory partitioning
Which of the following provides a low-level method of debugging software?
high-level simulator
low-level simulator
onboard debugger
cpu simulator
Which of the following processors uses Harvard architecture?
TEXAS TMS320
80386
80286
8086
Which of the following processors has CISC architecture?
AVR
Atmel
Blackfin
Zilog Z80
Which of the following processors execute its instruction in a single cycle?
8086
8088
8087
MIPS R2000
Which of the following processors can perform exponential, logarithmic and trigonometric functions?
8086
8087
8080
8088
Which of the following processor uses SPI for interfacing?
8086
8253
8254
MC68HC11
Which of the following processor can handle infinity values?
8080
8086
8087
8088