This section contains more frequently asked Microprocessors Basics MCQs in the various University Level and Competitive Examinations.


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1. Different components n the motherboard of a PC unit are linked together by sets of parallel electrical conducting lines. What are these lines called?

  • Conductors
  • Buses
  • Connectors
  • Consecutives

2. The language that the computer can understand and execute is called

  • Machine language
  • Application software
  • System program
  • All of the above

3. Which of the following is used as a primary storage device?

  • Magnetic drum
  • PROM
  • Floppy disk
  • All of these

4. Which of the following memories needs refresh?

  • SRAM
  • DRAM
  • ROM
  • All of above

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

  • PROM
  • RAM
  • PROM

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

  • Magnetic core
  • Semiconductor
  • Magnetic tape
  •  Both a and b

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

  • PC
  • Memory address registers
  • General purpose register
  • Flags

8. 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

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

  • 8008
  • 8080
  • 4004
  • 8800

10. An integrated circuit is

  • A complicated circuit
  • An integrating device
  • Much costlier than a single transistor
  • Fabricated on a tiny silicon chip
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