To express “-27” into eight-bit 2’s complement number: To convert the negative number “-27” into 2’s complement integer, First compute the 1’s complement of the corresponding positive number and “1” to that result. The positive number for the negative number “-27” is “27”. The binary representation of positive number “27” is computed as follows, 128 64 32 16 8 4 2 1 Integer 0 0 0 1 1 0 1 1 27 From the above table, the binary representation of positive number “27” in eight bits is “00011011”. The 1’s complement of the “00011011” is “11100100”. Adding “1” to the above result “11100100” results the value “11100101”. The Left most significant Bit (LSB) of the binary number is “1” and it represents the sign of the decimal value is negative. Therefore, the 2’s complement number of negative value “-27” in eight-bit is “ 11100101 ”. To express “-27” into sixteen-bit 2’s complement number: The 2’s complement number of negative value “-27” is “11100101”...

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Answer 1

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Chapter 2, Problem 19E

Explanation of Solution

To express “-27” into eight-bit 2’s complement number:

To convert the negative number “-27” into 2’s complement integer,

First compute the 1’s complement of the corresponding positive number and “1” to that result.

The positive number for the negative number “-27” is “27”.

The binary representation of positive number “27” is computed as follows,

128 64 32 16 8 4 2 1 Integer
0 0 0 1 1 0 1 1 27

From the above table, the binary representation of positive number “27” in eight bits is “00011011”.

The 1’s complement of the “00011011” is “11100100”.

Adding “1” to the above result “11100100” results the value “11100101”.

The Left most significant Bit (LSB) of the binary number is “1” and it represents the sign of the decimal value is negative.

Therefore, the 2’s complement number of negative value “-27” in eight-bit is “11100101”.

To express “-27” into sixteen-bit 2’s complement number:

The 2’s complement number of negative value “-27” is “11100101”...

Explanation of Solution

Explanation with respect to the properties of sign-extension:

The LSB of the binary number represents the sign of the decimal value.

The magnitude of positive number does not change by lengthening the sign bit “0” as many bit positions to the left as intended...

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3. Problem Description: Define the Circle2D class that contains: Two double data fields named x and y that specify the center of the circle with get methods. • A data field radius with a get method. • A no-arg constructor that creates a default circle with (0, 0) for (x, y) and 1 for radius. • A constructor that creates a circle with the specified x, y, and radius. • A method getArea() that returns the area of the circle. • A method getPerimeter() that returns the perimeter of the circle. • • • A method contains(double x, double y) that returns true if the specified point (x, y) is inside this circle. See Figure (a). A method contains(Circle2D circle) that returns true if the specified circle is inside this circle. See Figure (b). A method overlaps (Circle2D circle) that returns true if the specified circle overlaps with this circle. See the figure below. р O со (a) (b) (c)< Figure (a) A point is inside the circle. (b) A circle is inside another circle. (c) A circle overlaps another…

1. Explain in detail with examples each of the following fundamental security design principles: economy of mechanism, fail-safe default, complete mediation, open design, separation of privilege, least privilege, least common mechanism, psychological acceptability, isolation, encapsulation, modularity, layering, and least astonishment.

Security in general means the protection of an asset. In the context of computer and network security, explore and explain what assets must be protected within an online university. What the threats are to the security of these assets, and what countermeasures are available to mitigate and protect the organization from such threats. For each of the assets you identify, assign an impact level (low, moderate, or high) for the loss of confidentiality, availability, and integrity. Justify your answers.

Answer 2

Expert Solution & Answer

Chapter 2, Problem 19E

Explanation of Solution

To express “-27” into eight-bit 2’s complement number:

To convert the negative number “-27” into 2’s complement integer,

First compute the 1’s complement of the corresponding positive number and “1” to that result.

The positive number for the negative number “-27” is “27”.

The binary representation of positive number “27” is computed as follows,

128 64 32 16 8 4 2 1 Integer
0 0 0 1 1 0 1 1 27

From the above table, the binary representation of positive number “27” in eight bits is “00011011”.

The 1’s complement of the “00011011” is “11100100”.

Adding “1” to the above result “11100100” results the value “11100101”.

The Left most significant Bit (LSB) of the binary number is “1” and it represents the sign of the decimal value is negative.

Therefore, the 2’s complement number of negative value “-27” in eight-bit is “11100101”.

To express “-27” into sixteen-bit 2’s complement number:

The 2’s complement number of negative value “-27” is “11100101”...

Explanation of Solution

Explanation with respect to the properties of sign-extension:

The LSB of the binary number represents the sign of the decimal value.

The magnitude of positive number does not change by lengthening the sign bit “0” as many bit positions to the left as intended...

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

Expert Solution & Answer

Chapter 2, Problem 19E

Explanation of Solution

To express “-27” into eight-bit 2’s complement number:

To convert the negative number “-27” into 2’s complement integer,

First compute the 1’s complement of the corresponding positive number and “1” to that result.

The positive number for the negative number “-27” is “27”.

The binary representation of positive number “27” is computed as follows,

128 64 32 16 8 4 2 1 Integer
0 0 0 1 1 0 1 1 27

From the above table, the binary representation of positive number “27” in eight bits is “00011011”.

The 1’s complement of the “00011011” is “11100100”.

Adding “1” to the above result “11100100” results the value “11100101”.

The Left most significant Bit (LSB) of the binary number is “1” and it represents the sign of the decimal value is negative.

Therefore, the 2’s complement number of negative value “-27” in eight-bit is “11100101”.

To express “-27” into sixteen-bit 2’s complement number:

The 2’s complement number of negative value “-27” is “11100101”...

Explanation of Solution

Explanation with respect to the properties of sign-extension:

The LSB of the binary number represents the sign of the decimal value.

The magnitude of positive number does not change by lengthening the sign bit “0” as many bit positions to the left as intended...

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Expert Solution & Answer

Chapter 2, Problem 19E

Explanation of Solution

To express “-27” into eight-bit 2’s complement number:

To convert the negative number “-27” into 2’s complement integer,

First compute the 1’s complement of the corresponding positive number and “1” to that result.

The positive number for the negative number “-27” is “27”.

The binary representation of positive number “27” is computed as follows,

128 64 32 16 8 4 2 1 Integer
0 0 0 1 1 0 1 1 27

From the above table, the binary representation of positive number “27” in eight bits is “00011011”.

The 1’s complement of the “00011011” is “11100100”.

Adding “1” to the above result “11100100” results the value “11100101”.

The Left most significant Bit (LSB) of the binary number is “1” and it represents the sign of the decimal value is negative.

Therefore, the 2’s complement number of negative value “-27” in eight-bit is “11100101”.

To express “-27” into sixteen-bit 2’s complement number:

The 2’s complement number of negative value “-27” is “11100101”...

Explanation of Solution

Explanation with respect to the properties of sign-extension:

The LSB of the binary number represents the sign of the decimal value.

The magnitude of positive number does not change by lengthening the sign bit “0” as many bit positions to the left as intended...

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Expert Solution & Answer

Answer 6

Expert Solution & Answer

Answer 7

Chapter 2, Problem 19E

Explanation of Solution

To express “-27” into eight-bit 2’s complement number:

To convert the negative number “-27” into 2’s complement integer,

First compute the 1’s complement of the corresponding positive number and “1” to that result.

The positive number for the negative number “-27” is “27”.

The binary representation of positive number “27” is computed as follows,

128 64 32 16 8 4 2 1 Integer
0 0 0 1 1 0 1 1 27

From the above table, the binary representation of positive number “27” in eight bits is “00011011”.

The 1’s complement of the “00011011” is “11100100”.

Adding “1” to the above result “11100100” results the value “11100101”.

The Left most significant Bit (LSB) of the binary number is “1” and it represents the sign of the decimal value is negative.

Therefore, the 2’s complement number of negative value “-27” in eight-bit is “11100101”.

To express “-27” into sixteen-bit 2’s complement number:

The 2’s complement number of negative value “-27” is “11100101”...

Explanation of Solution

Explanation with respect to the properties of sign-extension:

The LSB of the binary number represents the sign of the decimal value.

The magnitude of positive number does not change by lengthening the sign bit “0” as many bit positions to the left as intended...

Answer 8

Chapter 2, Problem 19E

Explanation of Solution

To express “-27” into eight-bit 2’s complement number:

To convert the negative number “-27” into 2’s complement integer,

First compute the 1’s complement of the corresponding positive number and “1” to that result.

The positive number for the negative number “-27” is “27”.

The binary representation of positive number “27” is computed as follows,

128 64 32 16 8 4 2 1 Integer
0 0 0 1 1 0 1 1 27

From the above table, the binary representation of positive number “27” in eight bits is “00011011”.

The 1’s complement of the “00011011” is “11100100”.

Adding “1” to the above result “11100100” results the value “11100101”.

The Left most significant Bit (LSB) of the binary number is “1” and it represents the sign of the decimal value is negative.

Therefore, the 2’s complement number of negative value “-27” in eight-bit is “11100101”.

To express “-27” into sixteen-bit 2’s complement number:

The 2’s complement number of negative value “-27” is “11100101”...

Answer 9

Chapter 2, Problem 19E

Explanation of Solution

To express “-27” into eight-bit 2’s complement number:

To convert the negative number “-27” into 2’s complement integer,

First compute the 1’s complement of the corresponding positive number and “1” to that result.

The positive number for the negative number “-27” is “27”.

The binary representation of positive number “27” is computed as follows,

128 64 32 16 8 4 2 1 Integer
0 0 0 1 1 0 1 1 27

From the above table, the binary representation of positive number “27” in eight bits is “00011011”.

The 1’s complement of the “00011011” is “11100100”.

Adding “1” to the above result “11100100” results the value “11100101”.

The Left most significant Bit (LSB) of the binary number is “1” and it represents the sign of the decimal value is negative.

Therefore, the 2’s complement number of negative value “-27” in eight-bit is “11100101”.

To express “-27” into sixteen-bit 2’s complement number:

The 2’s complement number of negative value “-27” is “11100101”...

Answer 10

Explanation of Solution

Explanation with respect to the properties of sign-extension:

The LSB of the binary number represents the sign of the decimal value.

The magnitude of positive number does not change by lengthening the sign bit “0” as many bit positions to the left as intended...

Answer 11

Explanation of Solution

Explanation with respect to the properties of sign-extension:

The LSB of the binary number represents the sign of the decimal value.

The magnitude of positive number does not change by lengthening the sign bit “0” as many bit positions to the left as intended...

Answer 12

Expert Solution & Answer

Answer 13

Expert Solution & Answer

Answer 14

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Answer 15

Ch. 2 - Prob. 1E Ch. 2 - Prob. 2E Ch. 2 - Prob. 3E Ch. 2 - Prob. 4E Ch. 2 - Prob. 5E Ch. 2 - Prob. 6E Ch. 2 - Prob. 7E Ch. 2 - Prob. 8E Ch. 2 - Prob. 9E Ch. 2 - Prob. 10E

128	64	32	16	8	4	2	1	Integer
0	0	0	1	1	0	1	1	27

Explanation of Solution

Explanation of Solution

Explanation with respect to the properties of sign-extension: The LSB of the binary number represents the sign of the decimal value. The magnitude of positive number does not change by lengthening the sign bit “0” as many bit positions to the left as intended...

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Chapter 2 Solutions

Explanation with respect to the properties of sign-extension:

The LSB of the binary number represents the sign of the decimal value.

The magnitude of positive number does not change by lengthening the sign bit “0” as many bit positions to the left as intended...