One of the following signals belongs to the 8087 coprocessor is
Source key selects TEST as signal associated with 8087 coprocessor.
Ref: Microprocessor Architecture by Ramesh Gaonkar
IISc MODULE 4 - COPROCESSOR
Latest questions in this category.
Filter questions
In 8087 coprocessor one of the following instructions is not valid
FSIN was absent in 8087 and arrived with later 80387 coprocessor.
Ref: Microprocessor Architecture by Ramesh Gaonkar
Which of the following is of compare instruction in 8087?
FTST compares top stack register with zero for sign test.
Ref: Microprocessor Architecture by Ramesh Gaonkar
In 8087, which instruction is used for division real reversed______.
FDIVR divides reversed real operands, swapping destination and source order.
Ref: Microprocessor Architecture by Ramesh Gaonkar
If ______ and ________ connections are made so that an error condition in 8087 can interrupt to the processor.
8087 INT output connected to 8086 NMI signals error condition.
Ref: Microprocessor Architecture by Ramesh Gaonkar
In 8087, _______ many register stack are there? And of _____ registers. These registers are used as _________ stack.
8087 has eight 80-bit registers organized as LIFO register stack.
Ref: Microprocessor Architecture by Ramesh Gaonkar
_______ input is available, so that another coprocessor can be connected and function in _________ with the 8087.
RQ/GT1 provides second request-grant channel for another coprocessor in parallel.
Ref: Microprocessor Architecture by Ramesh Gaonkar
___ Connection and the _______ instruction will solve the problem of synchronization between processor and coprocessor.
Source key selects INT and NMI with WAIT for synchronization.
Ref: Microprocessor Architecture by Ramesh Gaonkar
8087 connection to 8086, to enable the _________ bank of memory _______ pins are to be connected.
BHE enables upper odd bank when 8087 connects to 8086 system.
Ref: Microprocessor Architecture by Ramesh Gaonkar
Why 8087 is referred to as Coprocessor? i) Because 8087 is used in parallel with main processor in a system, rather than
8087 works parallel, not as main processor, handling specialized math computations.
Ref: Microprocessor Architecture by Ramesh Gaonkar
The coprocessors operate in ______ with a processor on the same buses and with the same instruction _______.
Coprocessor runs parallel sharing buses and fetching same byte stream.
Ref: Microprocessor Architecture by Ramesh Gaonkar
