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Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?
Answer: Option 2 Let'
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What will be the output of the following PHP code <php $name = "What is your name" if (preg_match("/name/"),$name) echo "My name is Will Pitt "; else echo "My name is not Will Pitt "; if (preg_match("/are/")) echo "I am great" else echo "I am not great"; >?
Answer: Option 3 The code uses preg_match to check for a keyword and replies based on whether it is true (1) or false (0).
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What is the name of the display feature that highlights areas of the screen which require operator attention?
Answer: Option 2 Reverse video is the name of the display feature that highlights the screen which requires operator attention. Reverse video (or invert video or inverse video or reverse...
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What will be the output when the following program is compiled and executed abstract class TestAbstract{ String my_name; String myName(){ my_name = "Examveda"; return my_name; } abstract void display(); } public class Test extends TestAbstract{ void display(){ String n = myName(); System.out.print("My name is "+ n); } public static void main(String args[]){ Test t = new Test(); t.display(); } }?
Answer: Option 1 The options B, C and D are incorrect options as in Java we can declare an abstract class comprising of abstract and non-abstract methods that will not...
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What happens if the following program is compiled and executed interface MyInterface{ void display(); } interface MySubInterface extends MyInterface{ void display(); } public class Test implements MySubInterface{ public void display(){ System.out.print("Welcome to Examveda."); } public static void main(String args[]){ Test t = new Test(); t.display(); } }?
Answer: Option 3 The program will compile and execute successfully as you can declare methods with same name in an interface and the method of either interface can be used,...
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Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer : Statement : "I have not received telephone bills for nine months inspite of several complaints" - A telephone customer's letter to the editor of a daily Assumptions : I. Every customer has a right to get bills regularly from the telephone company. II. The customer's complaints point to defect in the services which are expected to be corrected.?
Answer: Option 5 The customer's eagerness to get the bills makes I implicit. Besides, the customer has written to the editor to bring the malfunctioning of the department to public...
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Directions : Each of the following question consists of a statement followed by two arguments I and II. You have to decide which of the arguments is a STRONG arguments and which is a WEAK Argument. Statement : Should our country extend generous behaviour and goodwill to our erring and nagging neighbours Arguments : I. Yes. Goodwill always pays dividend. II. No. Our generous behaviour and goodwill will be considered as our weakness.?
Answer: Option 5 Clearly, a good behaviour may at some point of time lead to mutual discussions and peaceful settlement of issues in the long run. So, argument I holds...
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Directions : Following question consists of a statement followed by four arguments I, II, III and IV. You have to decide which of the arguments is a STRONG arguments and which is a WEAK Argument. Statement : Should children be prevented completely from watching television Arguments : I. No. We get vital information regarding education through television. II. Yes. It hampers the study of children. III. Yes. Young children are misguided by certain programmes featuring sex and violence. IV. No. This is the only way to educate the masses.?
Answer: Option 2 Clearly, television offers various educational programmes which are of great practical value to the students. So, it serves as a means (but it is not the 'only'...
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Which command is used to display the subdirectory structure of the currently logged drive and pause the screen display after each screen full of the information?
Answer: Option 4 Let'
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Which command is used to display the subdirectory structure of the currently logged drive and pause the screen display after each screenful of information?
Answer: Option 4 Let'
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