43. False Ans: A. When you play a game, it will often have a score. Which of the following statements is true? expr has a compile-time type that is a base class of type, and expr has a runtime type that is type or is derived from type. ; A The variable name begins with an integer. Examples of primitive data types in Java are byte, short, int, long, float, double, char, boolean. False Ans: A. You can specify a range of values in a Case clause by using the To keyword. Stores either value true or false. There are several different types of variables in PowerShell. False Ans: A. The v_avgsal variable is an example of the %TYPE attribute referring to another variable instead of a table column. is a string, so-called because it contains a "string" of letters. False (*) 9. 5) Which of the following is true for variable names in C? True or false? True. float 3Bedroom-Hall-Kitchen? These variables have an exact difference between values. The is expression is true if expr isn't null, and any of the following conditions is true: expr is an instance of the same type as type. Ans: c Explanation:volatile is C keyword. Python supports logic operations and value as boolean. Chapter 2 Variables, expressions and statements 2.1 Values and types. View Answer. a) friend b) true c) volatile d) export. Constructors: a)initialize instance variables b)when overloaded, can have identical argument lists c)when overloaded, are selected by number and types of parameters d)a and c. d)a and c. The data components of a class are called instance variables. Answer:-True (26) What is true about functions : I) Functions are objects II) Can be assigned to a variable III) Can be anonymous IV) Return value type has to be defined in function declaration I, II I, II, III I, II, III, IV I, II, IV Answer:-I, II, III (27)What is the output you get for the following code? Figure 1: A pong game in Scratch with a score shown in the upper left. True. The most common DataTypes (type accelerators) used in PowerShell are listed below. Arrays, classes, and interfaces are reference types. True B. False. We have step-by-step solutions for your textbooks written by Bartleby experts! Explanation: The data type of the variable that can hold a String literal should also be String. 8. This type is commonly used to store yes/no values: true means “yes, correct”, and false means “no, incorrect”. The following code creates an object of type Animal: Animal a; Mark for Review (1) Points. User-created variables: User-created variables are created and maintained by the user. This value can be a number, a string, boolean, array or it can be an object, a resource also and so on. Answer: b Explanation: Since the scope of the variable declared within a function is restricted only within that function, so the above statement is false. A boolean variable can hold _____. True generally used to positive or enabled situations. False Ans: A. Two type arguments are provably distinct if one of the following is true: Neither argument is a type variable or wildcard, and the two arguments are not the same type. a)True. A single Case statement can contain multiple values. all lower case. True (*) False. The boolean type has only two values: true and false. Option Explicit requires you to declare every variable before its use. ¶ 1.3.2. 3: int. expr is an instance of a type that derives from type. 5: double. The data type of a variable determines the kind of data the variable can hold. LOGICAL Type and Variables . A character literal is always enclosed in double quotes. The following sample output is generated by a call to the EMP_SAL_QUERY procedure: CALL emp_sal_query(7698); Employee # : 7698 Name : BLAKE Job : MANAGER Hire Date : 01-MAY-81 00:00:00 Salary : 2850.00 Dept # : 30 Employee's salary is more than the department average of 1566.67 Question is ⇒ Which of the following is a true about Object in VB.NET?, Options are ⇒ (A) Object variable size is 4 bytes on 32-bit platform, (B) Object variable size is 8 bytes on 64-bit platform, (C) Any type can be stored in a variable of type Object, (D) All of the above, (E) , … !boolean isTurnedOn = true;! True B. Here is the general syntax: Dim variableName As DataType. False Ans: A. The basic unit of encapsulation in Java is the primitive data type. a. any character b. any whole number c. any decimal number d. the value true or false Variables that can be measured on a ratio scale have the following properties: These variables have a natural order. Constants, variables and data types Computer programs use data types to organise different types of data in a program. A variable declared inside an event procedure is said to have local scope A. Based on the data type of a variable, the interpreter allocates memory and decides what can be stored in the reserved memory. 4: float. 9. The following article, variables in PHP, provides an outline for the various variables available in PHP. 2: char. Which of the following is a User-defined data type? variableName is the name of the variable and DataType is one of the data types. Boolean variables are variables that can have only two possible values: true, and false. Boolean is data type used to represent logic values True and False. The values we have seen so far are 2 (the result when we added 1 + 1), and 'Hello, World!'.. Typically a single octet (one byte). A. We can put any type in a variable. When the PowerShell windows is closed, the variables are deleted. View Answer. Variables and Data Types Variables are the nouns of a programming language: they are the entities (values, data) that act or are acted upon. String constant can be written by using a set of alphanumeric characters. 11. a) True b) False c) True if it is declared static d) None of the mentioned. True. You specify a data type by including the As keyword in a Dim statement. The two boolean literals are simply true and false. In this case the explanatory variable is age and the response variable is the number of hours of sleep. • Boolean variables are used to indicate whether a condition is true or not, or to represent two states, such as a light being on or off. 13. The value of a reference type variable, in contrast to that of a primitive type, is a reference to (an address of) the value or set of values represented by the variable (see the following figure). A score can be stored in a variable. Which of the following cannot be a variable name in C? Each variable stores some kind of information where information is a value. Mark for Review (1) Points. and .FALSE. These variables have a “true zero” value. Ans:d Explanation:Both %d and %i can be used as a format identifier for int data type. Question 6. True B. Mark for Review (1) Points. 12/05/2017 by İsmail Baydan. A. True B. In this example, when the boolean value "x" is true, vertical black lines are drawn and when the boolean value "x" is false, horizontal gray lines are drawn. How-to: Define PowerShell Data Types. To create a variable, you must specify the type and assign it a value: Syntax type variable = value; Where type is one of Java's types (such as int or String), and variable is the name of the variable (such as x or name). A. • A variable of the primitive data type boolean can have two values: true and false (Boolean literals). LOGICAL values are either true or false.In Fortran, they must be written as .TRUE. This is an integer type. By default, the variables that you create at the PowerShell command line exist only while the PowerShell window is open. Explanation: A character literal is enclosed in single quotes. (function() { True B. 41. a) char b) double c) float d) int. First to answer your question, you set a variable to true or false by assigning True or False to it: myFirstVar = True myOtherVar = False If you have a condition that is basically like this though: if : var = True else: var = False then it is much easier to simply assign the result of the condition directly: var = In your case: match_var = a == b Share. A value is one of the fundamental things like a letter or a number that a program manipulates. boolean - stores values with two states: true or false; Declaring (Creating) Variables. Items in the value list must evaluate to a literal of the same type as the selector A. Logic operations are one of the important topics in application development. Variable Data Types. A Boolean variable has only two possible values: true or false. It is common to use Booleans with control statements to determine the flow of a program. A double-precision floating point value. A reference is called a … The default initial value of a boolean variable data type. 16. True B. 14. True. To save a variable, add it to your PowerShell profile. False is generally used negative or disabled situations. That type is called a Boolean type (note: Boolean is properly capitalized in the English language because it’s named after its inventor, George Boole). 15. The explanatory variable is the independent variable, which is the variable that is changed to determine its effect on a dependent or response variable. Question 27 : What is the use of the keyword this? You can create static class methods inside any Java class. Variables are nothing but reserved memory locations to store values. The equal sign is used to assign values to the variable. Scores often start at 0 and increase. In other words, the result of expr can be upcast to an instance of type. The response variable is the variable that is being measured or tested in response to changes in the independent variable. The format identifier ‘%i’ is also used for _____ data type? Python Boolean Variable Types. Variable Names Data Type Control Structures Operator Switch Case Expressions ... What is the problem in following variable declaration? Answer: The default initial value of a boolean variable data type is false. A non-primitive data type is one that is derived from Primitive data types. To declare a Boolean variable, we use the keyword bool. Data can also be constant or variable within programs and functions. B The special character ‘-‘ C The special character ‘?’ D All of the mentioned. True or false? False Ans: A. The most natural size of integer for the machine. A variable declared outside of an event procedure is said to have class-level scope. To review, a variable may be declared and initialized using the following syntax: [variable type] [variable name]( = [current value]); The initizializing, in (), is optional, but it is good practice to do so to avoid unexpected behavior. A. This means that when you create a variable you reserve some space in memory. Answer: ‘this’ keyword can be used: i) To get reference of an object through which that method is called within (instance method). A String literal is assigned to a String variable. We can calculate the mean, median, mode, standard deviation, and a variety of other descriptive statistics for these variables. Here's a rundown of the most useful VBA data types: a)True b)False. e.g., boolean hasLicense; !boolean isDone = false;! Boolean variables. True/False. 21.A variable declared in a function can be used in main(). Primitive data types are the basic or fundamental data types used to declare a variable. A single-precision floating point value. 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