Computer Science

The common term for the crime of stealing passwords is generally referred to as 'hacking,' which involves unauthorized access to computer systems or accounts, often by stealing passwords. 'Jacking' is not a widely recognized term for stealing passwords. 'Identity theft' refers to using someone else's personal information fraudulently, and 'spoofing' involves impersonating another device or user. Therefore, the most accurate answer is 'Hacking.'

In Microsoft Word, the Header and Footer commands are found under the Insert tab, where users can add or edit headers and footers in their documents.

The primary communication protocol used by the Internet is TCP/IP, which stands for Transmission Control Protocol/Internet Protocol. It is the foundational protocol suite that enables devices to communicate over the Internet.

In spreadsheet software like Microsoft Excel, the default cell style for new data entered in a new workbook is 'Normal'. This style applies general formatting without any specific number format like currency or percent.

Hypertexts are documents linked through pointers, which are references or links that connect one document to another, enabling non-linear navigation.

The effect applied to display when slides change in Slide Show view is called a Slide Transition. This effect controls how one slide moves to the next during the presentation.

The first generation of computers used vacuum tubes which were very large in size, making the computers themselves very large. Subsequent generations used smaller and more efficient components, reducing the size significantly.

The main elements listed— insertion point, end mark, mouse pointer, rulers, scroll bars, and status bar—are components of the Word document window, not the formatting toolbar. The formatting toolbar contains buttons for text formatting, not these interface elements.

The paragraph mark (¶) appears in word processing software to indicate where the Enter key was pressed, marking the end of a paragraph. It does not correspond to the Tab key, Spacebar, or Shift key.

The kernel is the core part of an operating system that runs at all times, managing system resources and communication between hardware and software. Other options like software, Windows, or Task Manager do not run continuously as the fundamental system component.