CHAPTER 2 WHOLE NUMBERS What have we discussed? 1. The number 1‚ 2‚ 3… which use for counting are known as natural number. 2. If you add 1 to a natural number‚ we get its successor‚ if you subtract 1 from a natural number‚ you get its predecessor. 3. Every natural number has a successor. Every natural number except 1 has a predecessor. 4. If add the number zero to the collection of the natural numbers‚ we get the collection of whole numbers. Thus‚ the number 0‚ 1‚ 2‚
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reference: http://www.tutorialspoint.com/sql important: constrains: SQL constraints are used to specify rules for the data in a table. If there is any violation between the constraint and the data action‚ the action is aborted by the constraint. In SQL‚ we have the following constraints: NOT NULL - Indicates that a column cannot store NULL value UNIQUE - Ensures that each rows for a column must have a unique value PRIMARY KEY - A combination of a NOT NULL and UNIQUE. Ensures that
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TASKBAR In the graphical user interface (GUI) for a computer operating system or application‚ a taskbar is a visual device on the desktop that typically shows the user which applications (tasks) are currently active and running. Combined window management and program launching As noted above‚ the Windows 7 taskbar combines two previously separate bits of functionality: Open window management and program launching/file opening. Prior to Windows 7‚ the taskbar was generally used only to manage open
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1/29 Function of nervous system Basically designed to keep you alive Essentially you can adapt to whatever environment you’re in and stay alive Adapt to be able to do behaviors Drugs have direct effect on NS Synaptic transmission Started out neuron centric until about 10 years ago Basically looked at how drugs affect neurons and what role neurons play in behaviors How neurons were communicating with other neurons or other cells in body All drugs changed what was happening at synapse
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21 Basic Tools in Visual Basic 0.6 Control Description Pointer Provides a way to move and resize the controls form PictureBox Displays icons/bitmaps and metafiles. It displays text or acts as a visual container for other controls. TextBox Used to display message and enter text. Frame Serves as a visual and functional container for controls. CommandButton Used to carry out the specified action when the user chooses it. CheckBox Displays a True/False or Yes/No option. OptionButton
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What’s the difference between resistance and resistivity? Resistance is the obstruction offered to the flow of current by a conductor. Resistivity is the obstruction offered to the flow of current by UNIT AREA OF the conductor. So basically‚ resistance is the property of the object (say a copper wire)‚ whereas resistivity is the property of the substance (copper). And so resistance depends upon the properties of the object. Whereas resistivity depends upon the properties of the metal.
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the same processes that are at work today were at work in the past. Summarized by “The present is the key to the past.” Hutton recognized that time is the critical element to the formation of common geologic structures. Uniformitarianism is a basic foundation of modern geology. Although catastrophism was abandoned‚ there is certainly evidence that sudden events do occur. From space‚ Earth looks small‚ finite and fragile. What’s the first thing that you notice about our planet when
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TOPIC WHAT IT MEANS IN DETAIL ` TOPIC SUB-TOPIC BASICS GRAMMAR WHAT IT MEANS 1) Grammar: Does the sentence adhere to the rules of Standard Written Grammar‚ Meaning & Concision: In SC English? 2) Meaning: Is the meaning of the sentence obvious and this is what we need and in that order unambiguous? 3) Concision: Is the sentence written as econornically as possible? to look for right answer ` 1) Subject-Verb Agreement IN DETAIL PICKED UP ON THE WAY / KEY TAKE-AWAYS
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CHAPTER 7: DATA MODELING USING THE ENTITY-RELATIONSHIP (ER) MODEL Answers to Selected Exercises 7.16 - Consider the following set of requirements for a UNIVERSITY database that is used to keep track of students’ transcripts. This is similar but not identical to the database shown in Figure 1.2: (a) The university keeps track of each student’s name‚ student number‚ social security number‚ current address and phone‚ permanent address and phone‚ birthdate‚ sex‚ class (freshman‚ sophomore‚
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1) WAP to print the Fibonacci series CLS a = 1 b = 1 PRINT a‚ b‚ FOR i = 1 TO 8 c = a + b PRINT c‚ a = b b = c NEXT i END ………………………………………………………………………………. 2) WAP to print the factors of a given number REM Program to print the factors of a given number CLS INPUT “Enter any number”; n FOR i = 1 TO n IF n MOD i = 0 THEN PRINT i‚ NEXT i END ………………………………………………………………………………… 3) WAP to print the greater among ten different numbers REM Program to print greater number among ten
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