Unsigned binary - Study guides, Class notes & Summaries
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Computer Science Edexcel GCSE Exam Questions With Verified Correct Answers Graded A++
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Computer Science Edexcel GCSE Exam Questions With Verified Correct Answers Graded A++ 
 
 
What is a data structure? 
An organised collection of related elements 
What is an array? 
an object used to store multiple values of the same data type in a single variable. 
What is a record? 
A data strutcure that stores a set of related elements of different data types. Each element in a record is known as a field. 
What is a field? 
An element in a record. 
REMINDER 
Learn python formatting 
What is d...
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Introduction to SQL Section 4 with complete verified solutions
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Structured Query Language (SQL) 
is a high-level computer language for storing, manipulating, and retrieving data in a relational database 
 
 
 
SQL commands can create databases and tables. 
 
True or False 
True 
 
In the animation above, SQL commands create a database called World and then create three tables for the World database. 
 
 
 
A database designer and database user both use SQL. 
True 
False 
True 
 
The database designer uses SQL to create the database and tables, and the databa...
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WGU C170 Data Management Critical and Objective Assessment Exam Questions and verified and correct Marking Scheme Newest 2024/2025
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WGU C170 Data Management Critical and Objective Assessment Exam Questions and verified and correct Marking Scheme Newest 2024/2025 
 
Which line, when added to the end of the statement, returns the total number of each kind of product-by-product number - correct answer GROUP BY PRODNUM; 
 
Which data definition language statement affects databases or objects in them - correct answer ALTER 
 
What does the DELETE statement do - correct answer It removes rows from a table. 
 
Which condition must ...
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AQA A Level Computer Science 5 - Fundamentals of data representation Study Guide Exam With Solved Answers 2024.
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Natural number - Answer A positive whole number including zero. 
 
Integer - Answer Any whole positive or negative number including zero. 
 
Rational number - Answer Any number that can be expressed as a fraction or ratio of integers. 
 
Irrational number - Answer A number that cannot be represented as a fraction or ratio as the decimal form will contain infinite repeating values. 
 
Real number - Answer Any positive or negative number with or without a fractional part. 
 
Ordinal numb...
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C952 - Computer Architecture fully solved
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C952 - Computer Architecture fully solved 
Which access does a register file rely on to properly function? 
Read and Write access 
 
 
What is the binary representation of instructions? 
Machine Language 
 
 
Which feature of the IBM 360/91 was incorporated into the majority of microprocessors developed in the 21st century? 
Algorithm innovations allowed the improved parallel execution of instructions 
 
 
Which Key design element changed in 2005 to drive continued improvements in computing capa...
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WGU Course C170 - Data Management (Applications) Quizlet by Brian MacFarlane
- Exam (elaborations) • 71 pages • 2024
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WGU Course C170 - Data Management (Applications) Quizlet by Brian MacFarlane 
A salesperson is authorized to sell many products and a product can be sold by many salespersons. 
 
Which kind of binary relationship does this scenario describe? 
 
A One-to-one 
B One-to-many 
C One-to-one binary 
D Many-to-many 
D 
 
 
Which kind of relationship is displayed in this entity-relationship diagram? 
 
A Many-to-many unary 
B Many-to-many binary 
C One-to-one unary 
D One-to-one binary 
A 
 
 
Which kin...
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WGU - Pre-Assessment: Data Management - Applications (FJO1) (PFJO) | Latest 2023/24 | Updated & Verified | Guaranteed Success
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A salesperson is authorized to sell many products and a product can be sold by many salespersons. 
Which kind of binary relationship does this scenario describe? - Many-to-many 
Which two examples are attributes? 
A person attending a meeting 
An employee number 
A sales meeting 
A meeting code - An employee number 
A meeting code 
Which delete rule sets column values in a child table to a missing value when the matching data is 
deleted from the parent table? - Set-to-Null 
In this entity-relat...
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WGU Course C170 - Data Management (Applications) Quizlet by Brian MacFarlane
- Exam (elaborations) • 71 pages • 2024
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WGU Course C170 - Data Management (Applications) Quizlet by Brian MacFarlane 
A salesperson is authorized to sell many products and a product can be sold by many salespersons. 
 
Which kind of binary relationship does this scenario describe? 
 
A One-to-one 
B One-to-many 
C One-to-one binary 
D Many-to-many 
D 
 
 
Which kind of relationship is displayed in this entity-relationship diagram? 
 
A Many-to-many unary 
B Many-to-many binary 
C One-to-one unary 
D One-to-one binary 
A 
 
 
Which kin...
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CDA3100 Final questions with verified solutions 2023/2024
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CDA3100 FinalThe idea that anticipates the capability of new technology and when it can be used is - correct answer Design for Moore's Law 
 
The idea that hides lower-level details so that they can be hidden to provide simpler models is called - correct answer Abstraction 
 
The most efficient method to obtain improvements is to - correct answer make the common case fast 
 
Improving performance by doing multiple operations at the same time is called - correct answer parallelism 
 
The idea th...
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SYSC 3006 LAB 2 PRELAB Lab section: L2 (All Answers are Correct)
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1) Why can a single binary value represent both a signed integer value and an unsigned integer value? 
Use a representative example to help your explanation. 
An example of such a case is the binary value ‘111’. As a signed integer, the most significant bit, ‘1’ 
makes the value negative in the 2’s complement system. As a result, its value is ‘-1’ in decimal. However, 
as an unsigned integer, it represents ‘7’ in decimal. 
2) For each component supplied in Logisim’s Arithmeti...
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