Digital Computer Electronics problems
- 1. What does 4k represent?
Options- A. 4000
- B. 4096
- C. 40
- D. 400
- E. None of the above Discuss
Correct Answer: 4096
- 2. The two basic technologies for digital ICs are bipolar and MOS. Bipolar technology is preferred for_____ and _____ whereas MOS technology is better suited to LSI.
Options- A. SSI, MSI
- B. MSI, LSI
- C. SSI, LSI
- D. ECL, DTL
- E. None of the above Discuss
Correct Answer: SSI, MSI
- 3. What is the main advantage of using MOSFET rather than bipolar transistor circuitary in ICs?
Options- A. much greater complexity (more components) than bipolar circuits : better economy
- B. higher operating speed than bipolar circuits
- C. fewer power supply connections are required with MOS ICs
- D. system designers are more familiar with MOS circuitary Discuss
Correct Answer: much greater complexity (more components) than bipolar circuits : better economy
- 4. Conversion of decimal number 4210 to it's octal number equivalent is
Options- A. 578
- B. 428
- C. 478
- D. 528
- E. None of the above Discuss
Correct Answer: 528
- 5. Conversion of binary number 111112 to an octal number is
Options- A. 358
- B. 328
- C. 378
- D. 428
- E. None of the above Discuss
Correct Answer: 378
- 6. The 1's compliment of binary number 11010 is:
Options- A. 00101
- B. 00010
- C. 00110
- D. 11101
- E. None of the above Discuss
Correct Answer: 00101
- 7. A shift register moves the _____ left or right. Serial loading means storing a word in a shift register by entering _____ bit per clock pulse. With parallel or broadside loading, it takes only one _____ pulse to load the input word.
Options- A. light, eight, clock
- B. right, eight, clock
- C. bits, one, register
- D. bits, one, clock
- E. None of the above Discuss
Correct Answer: bits, one, clock
- 8. A flip-flop can store:
Options- A. 1 bits of data
- B. 2 bits of data
- C. 3 bits of data
- D. 4 bits of data
- E. None of the above Discuss
Correct Answer: 1 bits of data
- 9. The leading bit stands for the _____ and the remaining bits for the _____ is known as signed binary numbers.
Options- A. sign, remainder
- B. sign, magnitude
- C. value, sign
- D. variable, value
- E. None of the above Discuss
Correct Answer: sign, magnitude
- 10. What table shows the electrical state of a digital circuit's output for every possible combination of electrical states in the inputs?
Options- A. Function table
- B. Truth table
- C. Routing table
- D. ASCII table
- E. None of the above Discuss
Correct Answer: Truth table
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