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- Multiple ChoicePlease save your changes before editing any questions.Which best describes a variable?Variables store program data while code runsVariables control memory spaceVariables are individual values in a database tableVariables enable programmers to work with different input devices
- Multiple ChoicePlease save your changes before editing any questions.Which of the following is false?Variable values can change while a program runsVariables make it possible to process almost any kind of dataAll variables use the same amount of memoryVariables must be stored in a database or file if they are to be retained when the program ends
- Multiple ChoicePlease save your changes before editing any questions.To use the value of a variable you need to know:The size of the memory used by its data typeThe source of the data being storedThe physical address location in memoryA name to reference the data
- Multiple ChoicePlease save your changes before editing any questions.Which of the following data types cannot store the number 47,255?decimalintstringbyte
- Multiple ChoicePlease save your changes before editing any questions.In C# the syntax to declare a variable is:
datatype variablename;
Which of the following C# declarations are invalid?byte userage;integer intScore;string STR_NAME;decimal DeCtuRn; - Multiple ChoicePlease save your changes before editing any questions.Which holds integers or real numbers with 28 digit precision? (128 bits)intdecimalboolstring
- Multiple ChoicePlease save your changes before editing any questions.Which holds alphanumerics using a Unicode encoding? (size varies)boolintdecimalstring
- Multiple ChoicePlease save your changes before editing any questions.Which holds whole numbers? (32 bits)stringboolintdecimal
- Multiple ChoicePlease save your changes before editing any questions.Which holds true or false?
(8 bits)boolintdecimalstring