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This set of 8085 Microprocessor Multiple Choice Questions & Answers (MCQs) focuses on 8085 Microprocessor Set 6

Q1 | Which are the factor of cache memory:
  • architecture of the microprocessor
  • properties of the programs being executed
  • size organization of the cache
  • all of these
Q2 | ________ is usually the first level of memory access by the microprocessor:
  • cache memory
  • data memory
  • main memory
  • all of these
Q3 | Microprocessor reference that are available in the cache are called______:
  • cache hits
  • cache line
  • cache memory
  • all of these
Q4 | Microprocessor reference that are not available in the cache are called_________:
  • cache hits
  • cache line
  • cache misses
  • cache memory
Q5 | Which causes the microprocessor to immediately terminate its present activity:
  • reset signal
  • interupt signal
  • both
  • none of these
Q6 | Which is responsible for all the outside world communication by the microprocessor:
  • biu
  • piu
  • tiu
  • liu
Q7 | INTR: it implies the__________ signal:
  • intrrupt request
  • intrrupt right
  • intrrupt rongh
  • intrrupt reset
Q8 | Which of the following are the two main components of the CPU?
  • control unit and registers
  • registers and main memory
  • control unit and alu
  • alu and bus
Q9 | The language that the computer can understand and execute is called
  • machine language
  • application software
  • system program
  • all of the above
Q10 | Which of the following is used as a primary storage device?
  • magnetic drum
  • prom
  • floppy disk
  • all of these
Q11 | Which of the following memories needs refresh?
  • sram
  • dram
  • rom
  • all of above
Q12 | The memory which is programmed at the time it is manufactured
  • prom
  • ram
  • eprom
Q13 | Which of the following memory medium is not used as main memory system?
  • magnetic core
  • semiconductor
  • magnetic tape
  • both a and b
Q14 | Registers, which are partially visible to users and used to hold conditional, are known as
  • pc
  • memory address registers
  • general purpose register
  • flags
Q15 | One of the main feature that distinguish microprocessors from micro-computers is
  • words are usually larger in microprocessors
  • words are shorter in microprocessors
  • microprocessor does not contain i/o devices
  • exactly the same as the machine cycle time
Q16 | The first microprocessor built by the Intel Corporation was called
  • 8008
  • 8080
  • 4004
  • 8800
Q17 | Most important advantage of an IC is its
  • easy replacement in case of circuit failure
  • extremely high reliability
  • reduced cost
  • low powers consumption
Q18 | Which of the following items are examples of storage devices?
  • floppy / hard disks
  • cd-roms
  • tape devices
  • all of the above
Q19 | Which is the type of memory for information that does not change on your computer?
  • ram
  • rom
  • eram
  • rw / ram
Q20 | Before a disk can be used to store data. It must be…….
  • formatted
  • reformatted
  • addressed
  • none of the above
Q21 | Which company is the biggest player in the microprocessor industry?
  • motorola
  • ibm
  • intel
  • amd
Q22 | A typical personal computer used for business purposes would have… of RAM.
  • 4 kb
  • 16 k
  • 64 k
  • 256 k
Q23 | The word length of a computer is measured in
  • bytes
  • millimeters
  • meters
  • bits
Q24 | Which part of the computer is used for calculating and comparing?
  • disk unit
  • control unit
  • alu
  • modem
Q25 | Can you tell what passes into and out from the computer via its ports?
  • data
  • bytes
  • graphics
  • pictures