Digital Electronics-Computers

Digital Electronics-Computers
21. The Pentium can address ________.
  • 1 MB
  • 1 GB
  • 2 GB
  • 4 GB
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22. A port can be ________.
  • strictly for input
  • strictly for output
  • bidirectional
  • all of the above
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23. Which of the following is not a computer functional block?
  • Analog-to-digital converter
  • Central-processing unit
  • Memory
  • Input/output ports
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24. The Pentium microprocessor has a data bus of ________.
  • 16 bits
  • 32 bits
  • 64 bits
  • 128 bits
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25. The process of jointly establishing communication is called ________.
  • DMA
  • bidirectional addressing
  • multiplexing
  • handshaking
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26. A mnemonic is an English-like instruction that is converted by an assembler into a machine code for use by a processor.
  • TRUE
  • FALSE
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27. Chip designers are always trying to increase the clock speed.
  • TRUE
  • FALSE
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28. Instructions for the 80X86 family are downward compatible.
  • TRUE
  • FALSE
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29. The Pentium can execute two instructions at once.
  • TRUE
  • FALSE
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30. A coprocessor is a microprocessor designed with a limited instruction set optimized to perform arithmetic operations very quickly.
  • TRUE
  • FALSE
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Digital Electronics
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