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Microprocessor

Microprocessor
In one’s complement 8 bit representation 11111111 represents

1
-0
+0
-1

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Microprocessor
The maximum number of seven segment displays that can be connected to 8279 is

 18
 12
 16
 8

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Microprocessor
A real number consists of

Integer part and fraction part
Integer part
Integer part, fraction part along with positive or negative sign
None of these

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Microprocessor
In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are

 20
 220-1
 220
 220 - 1

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Microprocessor
In order to save accumulator value on the stack, which of the following instruction may be used

 PUSH A
 PUSH PSW
 PUSH SP
 POP PSW

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Microprocessor
IC 7485 cannot be cascadeD.

True
False

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