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Microprocessor

Microprocessor
The ROM programmed during manufacturing process itself is called

 MROM
 EEPROM
 PROM
 EPROM

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Microprocessor
In 8086 the number of bytes which can be addressed directly is about

100000
1000
one million
10000

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Microprocessor
Which one of the following ICs is used to interface keyboard and display?

 8253
 8279
 8251
 8259

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Microprocessor
The first machine cycle of an instruction is always

 An I/O read cycle
 A memory read cycle
 A memory write cycle
 A fetch cycle

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Microprocessor
What are the sets of commands in a program which are not translated into machine instructions during assembly process, called?

 Mnemonics
 Operands
 Directives
 Identifiers

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Microprocessor
The clock speed of 8085 is

 1MHz.
 3.2KHz.
 3.2MHz.
 1KHz.

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