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Microprocessor

Microprocessor
The clock speed of 8085 is

 1MHz.
 1KHz.
 3.2MHz.
 3.2KHz.

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Microprocessor
Consider the following I) Sign flag II) Trap flag III) Parity flag IV) Auxiliary carry flag. Which one of the above flags is/are present in 8085 microprocessor?

 (I) only
 (I) ,(III) & (IV)
 (II) & (III)
 (I) & (II)

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Microprocessor
A combinational PLD with a programmable AND array and a programmable OR array is called a

 PROM
 PLA
 PLD
 PAL

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Microprocessor
For a memory with a 16-bit address space, the addressability is

2^16 bits
8 bits
16 bits
Cannot be determined

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Microprocessor
A sequence of two registers that multiplies the content of DE register pair by two and stores the result in HL register pair (in 8085 assembly language) is

 XCHG & DAD B
 XTHL & DAD H
 XCHG & DAD H
 PCHL & DAD D

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Microprocessor
A microprocessor differentiates between op code, data/address at any time by

 the program counter
 the sequence in which memory contents are fetched by it
 the stack pointer
 its internal registers

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