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Multiple Choice



This activity contains 44 questions.

Question 1.
Adding in binary, a decimal 26 + 27 will produce a sum of:


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Question 2.
How many basic binary subtraction operations are possible?


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Question 3.
When multiplying 13 × 11 in binary, what is the third partial product?


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Question 4.
When 1100010 is divided by 0101, what is the decimal remainder?


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Question 5.

Add the following binary numbers.
0010 0110   0011 1011   0011 1100
+0101 0101   +0001 1110   +0001 1111

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Question 6.

Subtract the following binary numbers.
0101 1000   1010 0011   1101 1110
–0010 0011   –0011 1000   –0101 0111

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Question 7.

Multiply the following binary numbers.
1010   1011   1001
×0011   ×0111   ×1010

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Question 8.
Divide the following binary numbers.


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Question 9.
Solving –11 + (–2) will yield which two's-complement answer?


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Question 10.
The two's-complement 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 11.
Determine the two's-complement of each binary number.
00110        00011        11101


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Question 12.
Convert each of the signed decimal numbers to an 8-bit signed binary number (two's-complement).
+7        –3        –12


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Question 13.
Convert each of the following signed binary numbers (two's-complement) to a signed decimal number.
00000101        11111100        11111000


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Question 14.

Convert each of the decimal numbers to two's-complement form and perform the addition in binary.
+13 –10
add –7 add +15

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Question 15.
Perform subtraction on each of the following binary numbers by taking the two's-complement of the number being subtracted and then adding it to the first number.
01001        01100
00011        00111


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Question 16.
Binary subtraction of a decimal 15 from 43 will utilize which two's complement?


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Question 17.
An 8-bit register may provide storage for two's-complement codes within which decimal range?


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Question 18.
Convert each of the decimal numbers to 8-bit two's-complement form and then perform subtraction by taking the two's-complement and adding.
mcq07_01800.gif


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Question 19.
The decimal value for E16 is:


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Question 20.
Add the following hex numbers: 011016 + 1001016


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Question 21.
Perform the following hex subtraction: ACE16 – 99916 =


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Question 22.

Add the following hexadecimal numbers.
3C   14   3B
+25   +28   +DC

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Question 23.

Subtract the following hexadecimal numbers.
47   34   FA
–25   –1C   –2F

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Question 24.
Which of the following is the primary advantage of using binary-coded decimal (BCD) instead of straight binary coding?


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Question 25.
What is the most important operation in binary-coded decimal (BCD) arithmetic?


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Question 26.
Convert the decimal numbers 275 and 965 to binary-coded decimal (BCD) and add. Select the BCD code groups that reflect the final answer.


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Question 27.

Add the following BCD numbers.
0110   0111   1001
0101   1000   1000

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Question 28.
What are the two types of basic adder circuits?


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Question 29.
The summing outputs of a half- or full-adder are designated by which Greek symbol?


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Question 30.
How many inputs must a full-adder have?


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Question 31.
A half-adder circuit would normally be used each time a carry input is required in an added circuit.


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Question 32.
The binary adder circuit is designed to add _____ binary numbers at the same time.


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Question 33.
Half-adders can be combined to form a full-adder with no additional gates.


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Question 34.
A full-adder adds _____.


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Question 35.
What logic function is the sum output of a half-adder?


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Question 36.
Could the sum output of a full-adder be used as a two-bit parity generator?


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Question 37.
What is the difference between a full-adder and a half-adder?


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Question 38.
The carry propagation delay in 4-bit full-adder circuits:


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Question 39.
Fast-look-ahead carry circuits found in most 4-bit full-adder circuits:


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Question 40.
Why is a fast-look-ahead carry circuit used in the 7483 4-bit full-adder?


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Question 41.
The BCD addition of 910 and 710 will give initial code groups of 1001 + 0111. Addition of these groups generates a carry to the next higher position. The correct solution to this problem would be to:


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Question 42.
How many BCD adders would be required to add the numbers 97310 + 3910?


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Question 43.
An input to the mode pin of an arithmetic/logic unit (ALU) determines if the function will be:


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Question 44.
The selector inputs to an arithmetic/logic unit (ALU) determine the:


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