Top 150+ Solved 8085 Microprocessor MCQ Questions Answer

From 136 to 150 of 166

Q. Which of the following memories needs refresh?

a. sram

b. dram

c. rom

d. all of above

  • b. dram

Q. The memory which is programmed at the time it is manufactured

a. prom

b. ram

c. prom

d. eprom

  • a. prom

Q. Which of the following memory medium is not used as main memory system?

a. magnetic core

b. semiconductor

c. magnetic tape

d. both a and b

  • c. magnetic tape

Q. Registers, which are partially visible to users and used to hold conditional, are known as

a. pc

b. memory address registers

c. general purpose register

d. flags

  • c. general purpose register

Q. One of the main feature that distinguish microprocessors from micro-computers is

a. words are usually larger in microprocessors

b. words are shorter in microprocessors

c. microprocessor does not contain i/o devices

d. exactly the same as the machine cycle time

  • c. microprocessor does not contain i/o devices

Q. The first microprocessor built by the Intel Corporation was called

a. 8008

b. 8080

c. 4004

d. 8800

  • c. 4004

Q. Most important advantage of an IC is its

a. easy replacement in case of circuit failure

b. extremely high reliability

c. reduced cost

d. low powers consumption

  • b. extremely high reliability

Q. Which of the following items are examples of storage devices?

a. floppy / hard disks

b. cd-roms

c. tape devices

d. all of the above

  • d. all of the above

Q. Before a disk can be used to store data. It must be…….

a. formatted

b. reformatted

c. addressed

d. none of the above

  • a. formatted

Q. Which company is the biggest player in the microprocessor industry?

a. motorola

b. ibm

c. intel

d. amd

  • c. intel

Q. The word length of a computer is measured in

a. bytes

b. millimeters

c. meters

d. bits

  • d. bits

Q. Which part of the computer is used for calculating and comparing?

a. disk unit

b. control unit

c. alu

d. modem

  • c. alu

Q. Can you tell what passes into and out from the computer via its ports?

a. data

b. bytes

c. graphics

d. pictures

  • a. data
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