Top 150+ Solved 8085 Microprocessor MCQ Questions Answer

From 151 to 165 of 166

Q. What is the responsibility of the logical unit in the CPU of a computer?

a. to produce result

b. to compare numbers

c. to control flow of information

d. to do math’s works

  • b. to compare numbers

Q. The secondary storage devices can only store data but they cannot perform

a. arithmetic operation

b. logic operation

c. fetch operations

d. either of the above

  • d. either of the above

Q. Which of the following memories allows simultaneous read and write operations?

a. rom

b. ram

c. eprom

d. none of above

  • b. ram

Q. Which of the following memories has the shortest access times?

a. cache memory

b. magnetic bubble memory

c. magnetic core memory

d. ram

  • a. cache memory

Q. A 32 bit microprocessor has the word length equal to

a. 2 byte

b. 32 byte

c. 4 byte

d. 8 byte

  • c. 4 byte

Q. An error in computer data is called

a. chip

b. bug

c. cpu

d. storage device

  • b. bug

Q. The silicon chips used for data processing are called

a. ram chips

b. rom chips

c. micro processors

d. prom chips

  • d. prom chips

Q. The instructions for starting the computer are house on

a. random access memory

b. cd-rom

c. read only memory chip

d. all of above

  • c. read only memory chip

Q. The ALU of a computer normally contains a number of high speed storage element called

a. semiconductor memory

b. registers

c. hard disks

d. magnetic disk

  • b. registers

Q. The first digital computer built with IC chips was known as

a. ibm 7090

b. apple – 1

c. ibm system / 360

d. vax-10

  • c. ibm system / 360

Q. Which of the following terms is the most closely related to main memory?

a. non volatile

b. permanent

c. control unit

d. temporary

  • d. temporary

Q. Which of the following is used for manufacturing chips?

a. control bus

b. control unit

c. parity unit

d. semiconductor

  • d. semiconductor

Q. To locate a data item for storage is

a. field

b. feed

c. database

d. fetch

  • d. fetch
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