Intro to Comp - Lecture 2

28問 • 2年前

問題一覧

For a 3-bit binary number, which is the correct counting sequence from 0 to 7.

000, 001, 010, 011, 100, 101, 110, 111

Given a variable to store a random data that can range from 0 to +65536, what is the most appropriate number of bits required for the variable?

17-bit

How is decimal value -255 represented in binary form for sign-magnitude and 1's complement representation

Sign-magnitude = 1 1111 1111, 1's complement = 1 0000 0000

For a 10-bit 2's complement number, what is the range of decimal numbers it can represent?

-512 to +511

Given a 16-bit signed magnitude binary number represented in hexadecimal form as 807D, what is the truncated 8-bit equivalent value.

Which of the following could potentially result in an overflow? (Select all that applies)

(+ve) - (+ve), (+ve) - (-ve)

Given a decimal number -25, what is the respective sign-magnitude, 1's complement and 2's complement value in hexadecimal form?

sign-magnitude = 99, 1's complement = E6, 2's complement = E7

When performing addition for of 12-bit 2's complement number, what does the result of bit 12 indicates?

Carry

Which pair(s) of 8-bit 2's complement arithmetic will not result in overflow nor carry? (select all that applies)

-52 + -76, -52 + -77

An unsigned number FE24 is to be sign-extended to a 32-bit number, what is the hexadecimal value?

0000FE24

Given two 8-bit 2's complement binary numbers 1100 0110 and 1000 0100, express the result of the binary addition as a 12-bit number.

1111 0100 1010

Using a calculator, convert decimal -25564 to 16-bit binary.

1001 1100 0011 0100

Using a calculator, perform the following arithmetic operation: F4 + 8A

FF7E

Given a calculator uses 16-bit to represent binary numbers, what is the largest positive number it can represent

32767

In Binary Coded Decimal (BCD), what is the BCD result when these two BCD numbers are added together: 1001 0111 + 0001 0101?

0001 0001 0010

The following is a partial 3-bit gray code sequence, identify the missing 3-bit value in blank: 011, 010, ___, 111, 101

110

What is the answer?

-331413

For a 5 digit decimal number, what is highest decimal value that it can represent?

99999

When a decimal number 0.64 is expressed in binary with 5-bit precision, which binary representation give the least amount of error?

0.10100

Manually perform the following binary subtraction: 0110 0110 - 1110 1000

0111 1110

For a 12-bit 2's complement number 98A, which is the signed extended 16-bit number expressed in hexadecimal form?

F98A

Given a 32-bit IEE 754 floating point number represented in hexadecimal form as C200 8000, manually compute its floating point value.

-32.125

From the 32-bit binary number representing IEEE754 floating point number, which bit determine the sign of the floating point number?

Bit 31

What is the exponent value for the IEEE754 32-bit binary value C200 8000?

132

Given a 4 characters string of 8-bit data (92, DD, 8C, 62) where 7-bit are encoded using ASCII and the LSB is an odd parity bit, which character is erroneous?

What is the answer?

-99680256

Convert 45.45 into IEEE754 (32-bit)

01000010001101011100110011001100

Convert the -5.75 to IEEE 754 32-bit

11000000101110000000000000000000

1.1: Software life cycle

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1.1: Software life cycle

17問 • 2年前

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Intro to computing - Lecture 1

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Chapter 5

Chapter 5

Intro to Comp - Lecture 4

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Intro to comp - Lecture 3

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Quiz 2

Quiz 2

1.2: Software Engineering Methodologies

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1.2: Software Engineering Methodologies

20問 • 2年前

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2.2: Relational Model and ER Model

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2.2: Relational Model and ER Model

19問 • 2年前

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2.3: Converting ER Model to Relational model

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2.3: Converting ER Model to Relational model

Quiz 1

Quiz 1

Week 2 Concurrency

ユーザ名非公開 · 10問 · 11ヶ月前

Week 2 Concurrency

10問 • 11ヶ月前

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Week 3 Mutual Exclusion

ユーザ名非公開 · 3回閲覧 · 12問 · 11ヶ月前

Week 3 Mutual Exclusion

3回閲覧 • 12問 • 11ヶ月前

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Week 4 Synchronisation

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Week 4 Synchronisation

10問 • 11ヶ月前

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Week 5 Processes and scheduling

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Week 5 Processes and scheduling

22問 • 11ヶ月前

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Week 6 Interprocess Communication

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Week 6 Interprocess Communication

22問 • 11ヶ月前

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Week 7 File system

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Week 7 File system

13問 • 11ヶ月前

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Week 8 Virtual Memory

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Week 8 Virtual Memory

22問 • 11ヶ月前

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Week 9 Architectures

ユーザ名非公開 · 10問 · 11ヶ月前

Week 9 Architectures

BigO scenario qns

BigO scenario qns

問題一覧

For a 3-bit binary number, which is the correct counting sequence from 0 to 7.

000, 001, 010, 011, 100, 101, 110, 111

Given a variable to store a random data that can range from 0 to +65536, what is the most appropriate number of bits required for the variable?

17-bit

How is decimal value -255 represented in binary form for sign-magnitude and 1's complement representation

Sign-magnitude = 1 1111 1111, 1's complement = 1 0000 0000

For a 10-bit 2's complement number, what is the range of decimal numbers it can represent?

-512 to +511

Given a 16-bit signed magnitude binary number represented in hexadecimal form as 807D, what is the truncated 8-bit equivalent value.

Which of the following could potentially result in an overflow? (Select all that applies)

(+ve) - (+ve), (+ve) - (-ve)

Given a decimal number -25, what is the respective sign-magnitude, 1's complement and 2's complement value in hexadecimal form?

sign-magnitude = 99, 1's complement = E6, 2's complement = E7

When performing addition for of 12-bit 2's complement number, what does the result of bit 12 indicates?

Carry

Which pair(s) of 8-bit 2's complement arithmetic will not result in overflow nor carry? (select all that applies)

-52 + -76, -52 + -77

An unsigned number FE24 is to be sign-extended to a 32-bit number, what is the hexadecimal value?

0000FE24

Given two 8-bit 2's complement binary numbers 1100 0110 and 1000 0100, express the result of the binary addition as a 12-bit number.

1111 0100 1010

Using a calculator, convert decimal -25564 to 16-bit binary.

1001 1100 0011 0100

Using a calculator, perform the following arithmetic operation: F4 + 8A

FF7E

Given a calculator uses 16-bit to represent binary numbers, what is the largest positive number it can represent

32767

In Binary Coded Decimal (BCD), what is the BCD result when these two BCD numbers are added together: 1001 0111 + 0001 0101?

0001 0001 0010

The following is a partial 3-bit gray code sequence, identify the missing 3-bit value in blank: 011, 010, ___, 111, 101

110

What is the answer?

-331413

For a 5 digit decimal number, what is highest decimal value that it can represent?

99999

When a decimal number 0.64 is expressed in binary with 5-bit precision, which binary representation give the least amount of error?

0.10100

Manually perform the following binary subtraction: 0110 0110 - 1110 1000

0111 1110

For a 12-bit 2's complement number 98A, which is the signed extended 16-bit number expressed in hexadecimal form?

F98A

Given a 32-bit IEE 754 floating point number represented in hexadecimal form as C200 8000, manually compute its floating point value.

-32.125

From the 32-bit binary number representing IEEE754 floating point number, which bit determine the sign of the floating point number?

Bit 31

What is the exponent value for the IEEE754 32-bit binary value C200 8000?

132

Given a 4 characters string of 8-bit data (92, DD, 8C, 62) where 7-bit are encoded using ASCII and the LSB is an odd parity bit, which character is erroneous?

What is the answer?

-99680256

Convert 45.45 into IEEE754 (32-bit)

01000010001101011100110011001100

Convert the -5.75 to IEEE 754 32-bit

11000000101110000000000000000000