Computer Data Classes WISDOM Pyramid

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What is the main difference between data and information?

Data is organized while information is unorganized

Data is analyzed, while information is visualized

Data is raw and unorganized, while information is processed and has meaning (correct)

Data has context while information does not

What is the purpose of adding context to data?

To make it more organized

To make it more difficult to analyze

To give it meaning and turn it into information (correct)

To delete unnecessary data

What is at the top of the wisdom pyramid?

Information

Wisdom (correct)

Knowledge

Data

What happens as we move up the wisdom pyramid?

We answer more questions and add more value to the data Signup and view all the answers

What is an example of data without context?

28022017 without any apparent importance Signup and view all the answers

What is the purpose of the wisdom pyramid?

To show the relationship between data, information, knowledge, and wisdom Signup and view all the answers

What is the primary goal of compilers, interpreters, and virtual machines?

To execute programs Signup and view all the answers

What is the main difference between compilation and interpretation?

Compilation translates into machine language, while interpretation translates into an intermediate representation Signup and view all the answers

Which of the following languages has been implemented using both compilers and interpreters?

Lisp, Pascal, C, BASIC, and Python Signup and view all the answers

What is the advantage of using a compiler?

Faster execution Signup and view all the answers

What is the main disadvantage of using an interpreter?

Slower execution Signup and view all the answers

What determines whether a language is typically compiled or interpreted?

Common implementation practice Signup and view all the answers

What is the purpose of the bias in the exponent of a floating-point number?

To make the exponent always positive Signup and view all the answers

What is the value of the smallest positive number that can be represented using the IEEE Standard?

+(1 - 2-1) × 2-127 Signup and view all the answers

What is the result of storing a real number with an integral part and a fractional part set to zero?

The sign, exponent, and mantissa are set to 0s Signup and view all the answers

What is the purpose of the shifter in the representation of a floating-point number?

To calculate the exponent Signup and view all the answers

What happens when the result of a floating-point calculation exceeds the maximum value that can be represented?

Overflow occurs Signup and view all the answers

What is the first step in adding two decimal numbers in scientific notation?

Rewrite the smaller number to match the exponent of the larger number Signup and view all the answers

What is the primary advantage of JIT compilers over statically compiled code?

Easier handling of latebound data types Signup and view all the answers

What is the main difference between JIT compilers and interpreters?

JIT compilers cache translated code to minimize performance degradation Signup and view all the answers

What is the purpose of Ahead-of-Time (AOT) compilation?

To compile an intermediate language into a system-dependent binary Signup and view all the answers

What is the primary function of a compiler's front-end?

Transforming high-level source language into an intermediate representation Signup and view all the answers

What is an advantage of AOT compilation over JIT compilation?

Improved error detection Signup and view all the answers

What is the purpose of a register descriptor in code generation?

To inform the code generator about the availability of registers Signup and view all the answers

When does AOT compilation occur?

Before program execution Signup and view all the answers

What is the role of the back-end in a compiler?

Code generation Signup and view all the answers

What is the result of AOT compilation?

Native code Signup and view all the answers

What is the purpose of address descriptors in code generation?

To inform the code generator about the memory locations of values Signup and view all the answers

What is the result of dividing an expression into sub-expressions in code generation?

Three Address Code Signup and view all the answers

What is an example of a compiler that can parse multiple input languages?

gcc Signup and view all the answers