1. Select one or more of the following statements that are valid/true when a pro
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Question
1. Select one or more of the following statements that are valid/true when a programer or CPU designer decides to increase the number of bits used to represent a certain type of data value.
More complex CPU circuitry will be needed to manipulate the data values
Primary and secondary storage capacity requirements for those data values will decrease
Some values can be represented with greater accuracy
Values must be represented using excess notation
A larger range of values can be represented
2. Choose one or more of the following statements that describe valid/correct reasons why a programmer should NOT use a floating point data type to store integer data?
Truncation may cause an integer value input by a user to be stored inexactly
Overflow and underflow may occur
Truncation may lead to computation errors
3. Which of the following data representation formats is the most compact format used to represent real numbers within a CPU?
IEEE binary64
twos complement
ASCII
EBCDIC
IEEE decimal128
IEEE binary32
IEEE decimal64
IA5
IEEE binary128
4. Select one or more of the following data representation format(s) that are used to represent real numbers within a CPU?
IEEE binary32
twos complement
IEEE decimal64
IEEE binary128
IEEE binary64
EBCDIC
IEEE decimal128
IA5
ASCII
5. Select one or more of the following phrases that describe valid/true reasons why modern computers represent and process all data values as sequences of binary digits?
Binary digits can be processed by relatively cheap and reliable two-state electrical devices
Binary digits can easily represent non-numeric conceptual data such pictures and the meaning of English words
Binary values correspond directly to values in hexademical logic
Binary digits are easily represented as binary electrical signals for reliable data transport
6. What binary value represents the result of the computation 1 + 1
11
10
2
-2
1F
7. Which of the following decimal values is equivalent to the binary number 011000
21
42
3
24
101,010
8. Which of the following data coding methods is the most modern format used to encode printable characters as integer values?
IEEE binary128
Unicode
excess notation
ASCII
IA5
twos complement
IEEE binary32
IEEE binary64
EBCDIC
9.
Which answer(s) below make the following sentence true?
When reading the numeric value 12345, the reader should know that the value CANNOT be a ___________ number.
octal
hexadecimal
decimal
binary
10. Floating point formats such as IEEE binary32 store a real number in three "pieces" - the sign bit, exponent, and _____
More complex CPU circuitry will be needed to manipulate the data values
Primary and secondary storage capacity requirements for those data values will decrease
Some values can be represented with greater accuracy
Values must be represented using excess notation
A larger range of values can be represented
2. Choose one or more of the following statements that describe valid/correct reasons why a programmer should NOT use a floating point data type to store integer data?
Truncation may cause an integer value input by a user to be stored inexactly
Overflow and underflow may occur
Truncation may lead to computation errors
3. Which of the following data representation formats is the most compact format used to represent real numbers within a CPU?
IEEE binary64
twos complement
ASCII
EBCDIC
IEEE decimal128
IEEE binary32
IEEE decimal64
IA5
IEEE binary128
4. Select one or more of the following data representation format(s) that are used to represent real numbers within a CPU?
IEEE binary32
twos complement
IEEE decimal64
IEEE binary128
IEEE binary64
EBCDIC
IEEE decimal128
IA5
ASCII
5. Select one or more of the following phrases that describe valid/true reasons why modern computers represent and process all data values as sequences of binary digits?
Binary digits can be processed by relatively cheap and reliable two-state electrical devices
Binary digits can easily represent non-numeric conceptual data such pictures and the meaning of English words
Binary values correspond directly to values in hexademical logic
Binary digits are easily represented as binary electrical signals for reliable data transport
6. What binary value represents the result of the computation 1 + 1
11
10
2
-2
1F
7. Which of the following decimal values is equivalent to the binary number 011000
21
42
3
24
101,010
8. Which of the following data coding methods is the most modern format used to encode printable characters as integer values?
IEEE binary128
Unicode
excess notation
ASCII
IA5
twos complement
IEEE binary32
IEEE binary64
EBCDIC
9.
Which answer(s) below make the following sentence true?
When reading the numeric value 12345, the reader should know that the value CANNOT be a ___________ number.
octal
hexadecimal
decimal
binary
10. Floating point formats such as IEEE binary32 store a real number in three "pieces" - the sign bit, exponent, and _____
Explanation / Answer
6)
Answer:B
10
Eplanation : For 1 -- 0001
For 2 -- 0010
so 1+1=2 then answer is 0010
7)
Answer: D
24
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