Tag: technology

Questions Related to technology

64-bit os means
technology operating systems

  1. CPU register is 64 bit

  2. It stores information in hard disk as 64-bit format

  3. Data in main memory stored in 64-bit

  4. OS is developed using 64-bit compiler

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Correct Option: C

Given: 1. public class Person { 2. private String name; 3. public Person(String name) { this.name = name; } 4. public boolean equals(Person p) { 5. return p.name.equals(this.name); 6. } 7. } Which statement is true?
technology

  1. The equals method does NOT properly override the Object.equals method.

  2. Compilation fails because the private attribute p.name cannot be accessed in line 5.

  3. To work correctly with hash-based data structures, this class must also implement the hashCode method.

  4. When adding Person objects to a java.util.Set collection, the equals method in line 4 will prevent duplicates.

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Correct Option: A

What is the windows version of WIN XP os
technology operating systems

  1. 4.x

  2. 5.x

  3. 6.x

  4. 7.x

Show answer
Correct Option: B

Given: 1. public class Person { 2. private String name; 3. public Person(String name) { this.name = name; } 4. public boolean equals(Person p) { 5. return p.name.equals(this.name); 6. } 7. } Which statement is true?
technology

  1. The equals method does NOT properly override the Object.equals method.

  2. Compilation fails because the private attribute p.name cannot be accessed in line 5.

  3. To work correctly with hash-based data structures, this class must also implement the hashCode method.

  4. When adding Person objects to a java.util.Set collection, the equals method in line 4 will prevent duplicates.

Show answer
Correct Option: A

Which one is integral part of Windows Vista OS
technology operating systems

  1. MS office

  2. IE

  3. Windows Mail

  4. Windows Media Player

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Correct Option: B

We cannot create following named folder in windows
technology operating systems

  1. foo

  2. nul

  3. xp

  4. reg

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Correct Option: B

If windows pc is not restarted for a long time
technology operating systems

  1. Memory overflow error may occure

  2. CPU will slow down

  3. Hard disk operations may be very slow

  4. May slow down pc performance due to more memory fragmentation.

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Correct Option: D

which best describes the purpose of the I/O AREA
technology databases

  1. Format Report

  2. Define Function Code

  3. Hold Segment for manipulation

  4. All of the above

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Correct Option: C

How many PCB can be coded inside PSB?
technology databases

  1. Only one

  2. Only two

  3. Only Five

  4. As Many

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Correct Option: D

Given: 1. import java.util.*; 2. public class Old { 3. public static Object get0(List list) { 4. return list.get(0); 5. } 6. } Which three will compile successfully? (Choose three.)
technology

  1. Object o = Old.get0(new LinkedList());

  2. Object o = Old.get0(new LinkedList>());

  3. String s = Old.get0(new LinkedList());

  4. Object o = Old.get0(new LinkedList());

  5. String s = (String)Old.get0(new LinkedList());

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Correct Option: A,D,E