To find all records where there is any entry in the field, even if the entry is 0, use which criteria?
A. <> 0
B. Is Not Null
C. *=*
D. *<>*
Answer: B
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The getValue() method is overridden in two ways. Which one is correct?
``` I: public class Test { public static void main(String[] args) { A a = new A(); System.out.println(a.getValue()); } } class B { public String getValue() { return "Any object"; } } class A extends B { public Object getValue() { return "A string"; } } II: public class Test { public static void main(String[] args) { A a = new A(); System.out.println(a.getValue()); } } class B { public Object getValue() { return "Any object"; } } class A extends B { public String getValue() { return "A string"; } } ``` a. I b. II c. Both I and II d. Neither
Match each term with the appropriate definition.
A. algorithm B. schema C. sitemap D. vocabulary E. bot
People who use the computer directly or use the information it provides are called computer users, end users, or sometimes, just users.
Answer the following statement true (T) or false (F)
A disk stores information in units called ____, each of which contains an address and a data block with a fixed number of bytes.
a. sectors b. tracks c. transfers d. forms