Differences Between Multithreading and Multitasking

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What are the characteristics of processes in process-based multi-tasking?

Inter-process communication is inexpensive and context-switching is low-cost.
They require their own address space and are heavyweight tasks. (correct)
They require their own address space but are lightweight tasks.
They share the same address space and are lightweight tasks.

Which type of multi-tasking involves allowing several programs to execute concurrently?

Process-based multi-tasking (correct)
Concurrent-based multi-tasking
Program-based multi-tasking
Thread-based multi-tasking

Which type of multi-tasking enables a single program to execute concurrently?

Thread-based multi-tasking (correct)
Cooperative-based multi-tasking
Concurrent-based multi-tasking
Process-based multi-tasking

What are the characteristics of threads in thread-based multi-tasking?

They share the same address space and are lightweight tasks. (A) Signup and view all the answers

Based on the text, what is the main reason for using multi-threading?

To minimize the idle time of the CPU (A) Signup and view all the answers

In which type of multi-tasking is inter-thread communication inexpensive?

Thread-based multi-tasking (D) Signup and view all the answers

What are the different states a thread exists in the Thread Lifecycle?

Born, active, runnable, dead, blocked (B) Signup and view all the answers

Why is there plenty of idle time for interactive, networked applications?

Local file system resources can be read and written at a much slower rate than can be processed by the CPU (D) Signup and view all the answers

When can a thread be considered dead?

When its run() method completes (C) Signup and view all the answers

What is the entry-point for a thread?

Run (C) Signup and view all the answers

How can a new thread be created in Java?

By implementing the Runnable interface or extending the Thread class (B) Signup and view all the answers

What method is used to wait for a thread to terminate?

Join (D) Signup and view all the answers

How can a thread be suspended for a period of time?

By invoking sleep() method (C) Signup and view all the answers

What determines if a thread is still running?

isAlive() method (B) Signup and view all the answers

What represents the 'Ready-to-run' state of a thread?

Runnable (B) Signup and view all the answers

How does a thread enter the 'Running' state?

The scheduler selects the thread from runnable pool (D) Signup and view all the answers

What is the main purpose of the Java Collection Framework?

To group multiple elements into a single unit (A) Signup and view all the answers

Which of the following represents a natural group in the context of the Java Collection Framework?

A poker hand (a collection of cards) (D) Signup and view all the answers

What is the main goal of the Java Collection Framework's design?

To provide high-performance data storage (B) Signup and view all the answers

In the context of Java collections, what does the term 'container' refer to?

An object that groups multiple elements into a single unit (C) Signup and view all the answers

Which component of Java collection framework provides a mapping of names to phone numbers?

HashTable (A) Signup and view all the answers

What type of file management is supported by the Java Collection Framework?

Random access file operations (D) Signup and view all the answers

What is the main benefit of the Java Collections Framework, as mentioned in the text?

Allows interoperability among unrelated APIs (D) Signup and view all the answers

Why does the text mention that the various implementations of each interface in the Collections Framework are interchangeable?

To make programs easily tunable by switching collection implementations (C) Signup and view all the answers

What is the purpose of the collection interfaces in the Java Collections Framework, according to the text?

To represent and manipulate collections independently of their details (A) Signup and view all the answers

What is one of the benefits of using the Java Collections Framework, as mentioned in the text?

Reduces programming effort (C) Signup and view all the answers

Why does the text mention that the algorithms in the Collections Framework are polymorphic?

To perform useful computations on objects that implement collection interfaces (B) Signup and view all the answers

What distinguishes the interfaces in the Java Collections Framework, as stated in the text?

They represent abstract data types that represent collections (B) Signup and view all the answers

How does the Java Collections Framework benefit program speed and quality, according to the text?

By providing high-performance implementations of data structures and algorithms (D) Signup and view all the answers

What is a key advantage of using the Java Collections Framework, based on the text?

Allows for easy adaptation of collections (C) Signup and view all the answers

Why does the text state that the collection interfaces generally form a hierarchy in object-oriented languages?

To provide a unified architecture for representing and manipulating collections (D) Signup and view all the answers

What is a significant advantage of the Java Collections Framework mentioned in the text?

Frees programmers from writing adapter objects or conversion code (D) Signup and view all the answers