Digital Electronics Digital Arithmetic Operations and Circuits Online Test
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Digital Electronics Digital Arithmetic Operations and Circuits Online Test. The Digital Electronics Full online mock test paper is free for all students and Very Helpful for Exam Preparation. Digital Electronics Question and Answers in English. Digital Electronics Online Mock test for Digital Electronics Digital Arithmetic Operations and Circuits Topic. Here we are providing Digital Electronics Digital Arithmetic Operations and Circuits Online Test Series in English. Check Digital Electronics Mock Test Series 2016.
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Question 1 of 30
1. Question
For a 4bit parallel adder, if the carryin is connected to a logical HIGH, the result is:
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Question 2 of 30
2. Question
What is the first thing you will need if you are going to use a macrofunction?
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Question 3 of 30
3. Question
Perform subtraction on each of the following binary numbers by taking the two’scomplement of the number being subtracted and then adding it to the first number.
01001 01100
00011 00111Correct
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Question 4 of 30
4. Question
Solving –11 + (–2) will yield which two’scomplement answer?
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Question 5 of 30
5. Question
What are constants in VHDL code?
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Question 6 of 30
6. Question
The 2’scomplement system is to be used to add the signed binary numbers 11110010 and 11110011. Determine, in decimal, the sign and value of each number and their sum.
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Question 7 of 30
7. Question
The most commonly used system for representing signed binary numbers is the:
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Question 8 of 30
8. Question
What is the major difference between halfadders and fulladders?
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Question 9 of 30
9. Question
Fastlookahead carry circuits found in most 4bit fulladder circuits:
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Question 10 of 30
10. Question
The binary subtraction 0 – 0 =
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Question 11 of 30
11. Question
Adding in binary, a decimal 26 + 27 will produce a sum of:
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Question 12 of 30
12. Question
Convert each of the following signed binary numbers (two’scomplement) to a signed decimal number.
00000101 11111100 11111000Correct
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Question 13 of 30
13. Question
How many basic binary subtraction operations are possible?
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Question 14 of 30
14. Question
If [A] = 1011 1010, [B] = 0011 0110, and [C] = [A] • [B], what is [C 4..2] in decimal?
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Question 15 of 30
15. Question
Using 4bit adders to create a 1See Section 6bit adder:
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Question 16 of 30
16. Question
When performing subtraction by addition in the 2’scomplement system:
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Question 17 of 30
17. Question
The two’scomplement system is to be used to add the signed numbers 11110010 and 11110011. Determine, in decimal, the sign and value of each number and their sum.
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Question 18 of 30
18. Question
When 1100010 is divided by 0101, what is the decimal remainder?
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Question 19 of 30
19. Question
One way to make a fourbit adder perform subtraction is by:
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Question 20 of 30
20. Question
What is the most important operation in binarycoded decimal (BCD) arithmetic?
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Question 21 of 30
21. Question
The range of positive numbers when using an eightbit two’scomplement system is:
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Question 22 of 30
22. Question
What are the two types of basic adder circuits?
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Question 23 of 30
23. Question
A halfadder circuit would normally be used each time a carry input is required in an added circuit.
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Question 24 of 30
24. Question
If B[7..0] = 10100101, what is the value of B[6..2]?
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Question 25 of 30
25. Question
How many inputs must a fulladder have?
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Question 26 of 30
26. Question
Determine the two’scomplement of each binary number.
00110 00011 11101Correct
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Question 27 of 30
27. Question
Solve this binary problem: 01110010 – 01001000 =
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Question 28 of 30
28. Question
What distinguishes the lookaheadcarry adder?
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Question 29 of 30
29. Question
Halfadders can be combined to form a fulladder with no additional gates.
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Question 30 of 30
30. Question
Which of the following is correct for full adders?
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