8085 Microprocessor Set 3
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This set of 8085 Microprocessor Multiple Choice Questions & Answers (MCQs) focuses on 8085 Microprocessor Set 3
Q1 | The memory which is programmed at the time it is manufactured
- prom
- ram
- eprom
Q2 | Which of the following memory medium is not used as main memory system?
- magnetic core
- semiconductor
- magnetic tape
- both a and b
Q3 | Registers, which are partially visible to users and used to hold conditional, are known as
- pc
- memory address registers
- general purpose register
- flags
Q4 | 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
Q5 | The first microprocessor built by the Intel Corporation was called
- 8008
- 8080
- 4004
- 8800
Q6 | An integrated circuit is
- a complicated circuit
- an integrating device
- much costlier than a single transistor
- fabricated on a tiny silicon chip
Q7 | Most important advantage of an IC is its
- easy replacement in case of circuit failure
- extremely high reliability
- reduced cost
- low powers consumption
Q8 | Which of the following items are examples of storage devices?
- floppy / hard disks
- cd-roms
- tape devices
- all of the above
Q9 | Which is the type of memory for information that does not change on your computer?
- ram
- rom
- eram
- rw / ram
Q10 | Before a disk can be used to store data. It must be…….
- formatted
- reformatted
- addressed
- none of the above
Q11 | Which company is the biggest player in the microprocessor industry?
- motorola
- ibm
- intel
- amd
Q12 | A typical personal computer used for business purposes would have… of RAM.
- 4 kb
- 16 k
- 64 k
- 256 k
Q13 | The word length of a computer is measured in
- bytes
- millimeters
- meters
- bits
Q14 | What are the three decisions making operations performed by the ALU of a computer?
- grater than
- less than
- equal to
- all of the above
Q15 | Which part of the computer is used for calculating and comparing?
- disk unit
- control unit
- alu
- modem
Q16 | Can you tell what passes into and out from the computer via its ports?
- data
- bytes
- graphics
- pictures
Q17 | What is the responsibility of the logical unit in the CPU of a computer?
- to produce result
- to compare numbers
- to control flow of information
- to do math’s works
Q18 | The secondary storage devices can only store data but they cannot perform
- arithmetic operation
- logic operation
- fetch operations
- either of the above
Q19 | Which of the following memories allows simultaneous read and write operations?
- rom
- ram
- eprom
- none of above
Q20 | Which of the following memories has the shortest access times?
- cache memory
- magnetic bubble memory
- magnetic core memory
- ram
Q21 | An error in computer data is called
- chip
- bug
- cpu
- storage device
Q22 | The silicon chips used for data processing are called
- ram chips
- rom chips
- micro processors
- prom chips
Q23 | The instructions for starting the computer are house on
- random access memory
- cd-rom
- read only memory chip
- all of above
Q24 | The ALU of a computer normally contains a number of high speed storage element called
- semiconductor memory
- registers
- hard disks
- magnetic disk
Q25 | The first digital computer built with IC chips was known as
- ibm 7090
- apple – 1
- ibm system / 360
- vax-10