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WorksheetsMohamed Nizar - MPMC - II CSE - C
Total questions: 12
Worksheet time: 7mins
PINs used by DMA are
HORD & HLD
HOLD & HLDA
RET & CALL
A) RET
Instructions used by subroutine are
only CALL
CALL & RET
Only RET
HOLD
…………………. resolves the code between the object modules
Linking
Object program
closely coupled
Loosely coupled
Name the type of interrupt that will produce when we divide the accumulator by zero (AL/0)
Type -II
Type - 0 Divide Error Interrupt
Type 255
Type 256
In co-processor operation, the 8087 keeps track of ……………..- instruction to monitors its instructions.
Exchange
ESC instruction
NOP
INTR
……………………….. means CPU grants I/O module authority to read from or write to memory without involvement.
Interrupt
NMI
Direct Memory Access (DMA)
Programmed I/O
The INTEL 8051 is an ----- -bit microcontroller with ----byte internal RAM and ------ internal ROM.
12, 132 and 8Kb
8, 255 and 4Kb
16, 16 and 16Kb
8, 128 and 4Kb
Except ------- all other ports are provided with internal pull up.
Port -1
Port – 0
Port – 2
Port – 3
The purpose of B register is to perform ------------------
Logical operation
Addition operation
Multiplication & Division
Subtraction
The Stack Pointer is an 8-bit register and upon reset, the Stack Pointer is initialized with -----
07H
09H
15H
83H
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