Unary operator - Study guides, Class notes & Summaries

These are operators that add and subtract one from their operands. A) plus and minus B) ++ and -- C) binary and unary D) conditional and relational E) None of these - Answer- B) ++ and -- What is the output of the following code segment? n = 1; while (n <= 5) cout << n << ' '; n++; A) 1 2 3 4 5 B) 1 1 1... and on forever C) 2 3 4 5 6 D) 1 2 3 4 E) 2 3 4 5 - Answer- B) 1 1 1... and on forever This operator increments the value of its operand, then u...

Flat Files a file having no internal hierarchy Hashed Files A file that has been encrypted for security purposes. Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen Heap File An unsorted set of records. Information The transformation of raw data into useful facts. Punch Card A card that is perforated and can hold commands or data. Structured Data Information with a high degree of ...

Entity Integrity - ️️is a basic constraint of database relational model (abbreviated RM) that refers to the morphology of the primary key but afterwards, the same format is applied to the foreign key and, also to any of simple components of any of two. The relational model states that every relation (or table) must have an identifier, called the primary key (abbreviated PK), in such a way that every row of the same relation be identifiable by its content, that is, by a unique and minima...

WGU C170 Data Management Applications (over 200 Questions & Answers) What is a table? A table is a persistent representation of a logical relation that is a relation whose contents can be saved for permanent use. What are the characteristics of a relational table? The characteristics of a relational table are that a table is perceived as a two-dimensional structure composed of rows and columns, each row (tuple) represents a single entity occurrence within the set, each column represents an...

#include <iostream> using namespace std; int main() { return 0; } - Answer- the parts required in every C++ program comments - Answer- nonexecutable statements that are included in a program to provide information about what the program does, how it works, what input is expected, what output is generated, who wrote it, etc. preprocessor directives - Answer- tells the computer where to find the library for operations and data types preprocessor - Answer- a program that finds a...

The source code of C program file is stored in a file with the ________ extension correct answers .c The decrement operator is a(n) ________ operator. correct answers unary Compiler is a program that translates the source code into ______ code, which consists of binary instructions correct answers object C provides three looping mechanisms: the for loop , the while loop and the ___________. correct answers Do-while The C language was partly developed to resolve the more lengthy requi...

CSC 230 Test 2 Exam Questions Correctly Answered. errno.h - CORRECT ANSWER Error codes reported by library functions and the OS ~ - CORRECT ANSWER bitwise complement, unary bitwise operator, works across all bits: x = ~x = & - CORRECT ANSWER bitwise and, binary bitwise operator, takes 2 arguments 0110 & 1100 = 0100 ^ - CORRECT ANSWER bitwise exclusive OR, binary bitwise operator, takes 2 arguments: 0110 ^ 1100 = 1010 | - CORRECT ANSWER bitwise inclusive OR, binary bitwis...

Boolean - A single value of either TRUE or FALSE ** - Exponent * - Multiplication / - Division to integer // - Division to float + - addition - - Subtraction % - modulus (remainder) Unary - one operand Binary - The binary number system is base 2, using only bits 0 and 1. ~ - Bitwise negation & - Bitwise and | - Bitwise Or operator<< - Shifts each bit left n bits >> - Shifts each bit right n bits + (string) - Combine two strings == - equal to != - not equal to <= -...

E-R Model It is well named, as it diagrams entities (together with their attributes) and the relationship among them. Describe the ER model for "A salesperson works in one office." - What is the name of this relationship? exists when two entities are associated/relationship - Ex. A professor teaches many classes. - One-to-one binary relationship Brainpower Read More 0:02 / 0:15 Describe the ER model for "A salesperson sells to many customers." - What is the name ...

WGU C170 Data Management Applications (over 200 Questions & Answers) What is a table? A table is a persistent representation of a logical relation that is a relation whose contents can be saved for permanent use. What are the characteristics of a relational table? The characteristics of a relational table are that a table is perceived as a two-dimensional structure composed of rows and columns, each row (tuple) represents a single entity occurrence within the set, each column represents an...