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  • Question

  • What is the difference between a 7490 and a 7493?


  • Options
  • A. 7490 is a MOD-10, 7493 is a MOD-16
  • B. 7490 is a MOD-16, 7493 is a MOD-10
  • C. 7490 is a MOD-12, 7493 is a MOD-16
  • D. 7490 is a MOD-10, 7493 is a MOD-12

  • Correct Answer
  • 7490 is a MOD-10, 7493 is a MOD-16 

    • More questions

    • 1. A typical RAM will read (place stored data on its outputs) whenever the Chip Select line is active and the Write Enable line is inactive.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. Convert binary 1001 to hexadecimal.

    • Options
    • A. 916
    • B. 1116
    • C. 10116
    • D. 1016
      • Discuss
    • 3. Convert the following octal number to binary.
      768

    • Options
    • A. 1101112
    • B. 1111102
    • C. 1111002
    • D. 1001112
      • Discuss
    • 4. One form of a sigma/delta modulator circuit is designed to convert a continuous analog signal into a modulated bit stream (A/D).

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. The term CLEAR always means that .

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. The characteristic that a change of one binary step on the input of a DAC should cause exactly one step change on the output is called ________.

    • Options
    • A. resolution
    • B. linearity
    • C. monotonicity
    • D. accuracy
      • Discuss
    • 7. The memory operation that presents data on the memory outputs after entering a new address is called ________.

    • Options
    • A. a read cycle
    • B. a write cycle
    • C. a refresh cycle
    • D. a chip select
      • Discuss
    • 8. How many address bits are required for a 4096-bit memory organized as a 512 × 8 memory?

    • Options
    • A. 2
    • B. 4
    • C. 8
    • D. 9
      • Discuss
    • 9. What is the difference between the enable input of the 7475 and the clock input of the 7474?

    • Options
    • A. The 7475 is edge-triggered.
    • B. The 7474 is edge-triggered.
      • Discuss
    • 10. Assembly language is written using mnemonics: MVI, DCR, JZ.

    • Options
    • A. True
    • B. False
      • Discuss

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