Computer Science

The basic unit of CPU utilization is a thread because a thread is the smallest sequence of programmed instructions that can be managed independently by a scheduler, which directly relates to CPU usage. Processes are larger units that may contain multiple threads, and programs are static code not directly tied to CPU utilization.

A buffer is a temporary storage area in a computer used to hold data while it is being transferred from one place to another, making it the correct answer for temporary storage.

A placeholder is a box displayed in a document or slide to indicate where text, pictures, or objects can be inserted. It serves as a container for content, guiding users where to place elements.

The term 'Layout' specifically refers to the arrangement of elements such as title and subtitle text, pictures, tables, etc., on a page or screen. This distinguishes it from 'Presentation' (which is broader), 'Design' (which can be more general), and 'Scheme' (which is less specific).

In the Resume Wizard dialog box, the Finish panel indicates that all necessary information has been entered and the wizard is ready to create the document. This is the final step before generating the resume.

The standard capacity of a 3.5-inch floppy disk is 1.44 MB, making option D the correct answer. The other options incorrectly state capacities in GB or incorrect MB values.

The vertical space between lines of text in a document is called line spacing. This term accurately describes the spacing setting that controls the amount of space above and below lines of text.

The ability to recover and read deleted or damaged files from a criminal's computer is a key function of computer forensics, which involves investigating digital data for legal evidence.

A computer performs basic operations including arithmetic operations (like addition and subtraction), logical operations (such as comparisons), and storage operations (storing and retrieving data). Therefore, all the options listed are correct.

TCP stands for Transmission Control Protocol, which is a fundamental protocol in the Internet protocol suite responsible for reliable data transmission.

TCP/IP was invented by both Robert E. Kahn and Vint Cerf, who collaborated on the development of the protocols that form the foundation of the internet.

The term '674 Storage' is not a standard term in computer science. However, the number 674 is often associated with a course code (e.g., CS 674) that covers modern storage systems. The terms 'Secondary storage', 'Auxiliary storage', and 'Mass storage' are commonly used interchangeably to refer to non-primary storage devices such as hard drives, SSDs, and other persistent storage media. Therefore, the option 'All of the above' is correct as all these terms describe similar types of storage beyond primary memory.

SQL stands for Structured Query Language, which is the standard language used to manage and manipulate relational databases.

Internet connection speed is commonly measured in Mbps (Megabits per second), which indicates how many millions of bits can be transmitted each second. GHz measures frequency, dpi measures image resolution, and ppm measures printing speed, so they are incorrect in this context.

SWF stands for Shock Wave Flash, which is a file format for multimedia, vector graphics and ActionScript in Adobe Flash.

Switching between portrait and landscape modes is done through the Page Setup dialog box, where you can select the page orientation. The other options do not control page orientation.

SQL includes several types of languages: Data Definition Language (DDL) for defining database structures, Data Manipulation Language (DML) for managing data, and Data Control Language (DCL) for controlling access. Therefore, all the options listed are types of SQL languages.

The storage capacity of a magnetic disk depends on multiple factors including the number of tracks per inch on the disk surface, the number of bits per inch along each track, and the number of disks (disk pack) in the disk surface assembly. Therefore, all the options contribute to the overall storage capacity.

SIMM stands for Single In-line Memory Module, which is a type of RAM module used in older computers. It allows memory chips to be mounted on a single circuit board for easier installation and improved performance.

Sorting refers to the process of rearranging data in a specific order or sequence, such as ascending or descending. The other options do not describe this process.

Servers provide resources such as files, applications, or services to other computers over a network. The term 'network' refers to the system that connects multiple computers together, allowing them to communicate and share resources.

The correct shortcut to create a new folder in Windows is Ctrl+Shift+N. Option C contains a typo ('Shit' instead of 'Shift'), but it is the intended answer.

Serial access memories are most useful when data needs to be accessed or processed in a sequential manner, such as in shift registers or tape drives, where data naturally flows in and out in serial form.

The shortcut 'Alt + Tab' is used in Windows operating systems to switch to the next open window or application. The other options do not perform this function.

The shortcut key to refresh a window in Windows operating systems is F5. Pressing F5 refreshes the contents of the active window or web page.