Microprocessors MCQs Set-9

1. Can you tell what passes into and out from the computer via its ports?
  • Data
  • Bytes
  • Graphics
  • Pictures
2. 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
3. The secondary storage devices can only store data but they cannot perform
  • Arithmetic Operation
  • Logic operation
  • Fetch operations
  • Either of the above
4. Which of the following memories allows simultaneous read and write operations?
  • ROM
  • RAM
  • EPROM
  • None of above
5. Which of the following memories has the shortest access times?
  • Cache memory
  • Magnetic bubble memory
  • Magnetic core memory
  • RAM
6. A 32 bit microprocessor has the word length equal to
  • 2 byte
  • 32 byte
  • 4 byte
  • 8 byte
7. An error in computer data is called
  • Chip
  • Bug
  • CPU
  • Storage device
8. The silicon chips used for data processing are called
  • RAM chips
  • ROM chips
  • Micro processors
  • PROM chips
9. The metal disks, which are permanently housed in, sealed and contamination free containers are called
  • Hard disks
  • Floppy disk
  • Winchester disk
  • Flexible disk
10. A computer consists of
  • A central processing unit
  • A memory
  • Input and output unit
  • All of the above