The CPU, often likened to the brain of the computer, is responsible for running instructions and processing tasks within a computer system. It contains various parts that work in conjunction to execute and manage all the operations necessary to run programs.
The CPU is referred to as the "brain" of the computer. This is because it acts as the heart of the computer, running the software we write (also known as the processor). The CPU's role is to constantly process the next task - it operates at a rate measured in Gigahertz, so a 3.0 Gigahertz CPU can process three billion tasks per second. Inside the CPU, there are several components such as the Program Counter (PC), Instruction Register (IR), Instruction Decoder, Control Unit, Arithmetic Logic Unit (ALU), Registers, and Buses. The PC tracks the next instruction to load, the IR holds the instruction once fetched, and the Instruction Decoder breaks down the instruction for the Control Unit. The ALU performs arithmetic and logical operations while the registers hold data and instructions at various stages of processing. Buses within the CPU facilitate data transfer among these components, making it the main area where all computing and processing happens.
The database management system is a program used to create, process, and administer a database.
a. True
b. False
What folder is used to store offline files and folders managed by the offline files utility?
Provide 3 ways in which the government can ensure that the help it offers is received only by the people who are in need
Which feature in word automatically corrects typos, minor spelling errors, and capitalization as you type? autocomplete spelling and grammar autocorrect autotype?
The format cells dialog box tab that provides options for locking or hiding cells to prevent other users from modifying their contents is _____.
Some input devices include a kind of output that provides the user with a physical response from the device. what kind of output is this
Final answer:
Haptic feedback is the physical response given by an input device to the user, which includes vibrations and audible clicks, providing a more intuitive way to interact with technology.
Explanation:
The kind of output that provides a user with physical response from an input device is known as haptic feedback. This feedback can come in various forms such as vibrations, force feedback, or even the sensation of motion. For example, graphics tablets use the principle of induction where the pen emits a tiny magnetic field that interacts with wires underneath the screen to create an electromotive force (emf), translating the movement into a visual line on the screen. Similarly, some counters designed to measure voltage changes emit an audible click and also display the change on a meter, providing both auditory and visual feedback to the user. This interactivity enhances the user experience and allows for a more intuitive and immersive interaction with technology.
QUICK TRUE/FALSE QUESTION
A Uniform Resource Locator (URL) is how the internet knows where to take users when an address is typed into a browser.
True or False
Answer:
True
Explanation:
The URL is a unique resource used to locate the resource on the internet. This is commonly known as the web address. The web address consists of many parts: the protocol identifier and the IP address of the computer.
URL protocols consist of the Hypertext Transfer Protocol (HTTP) or the HTTP for secure browsing and email communication. The URL specifies the following about a website:
path to a specific page
network port used to make the connection
specific reference point, e.g. HTTML
and
query of search information, e.g a website extension.
The URL is important to identify and distinguish between true and malicious sites.
What should you enter at the command prompt to scan for open tcp ports on your linux system?
A monitor is a type of A.cpu B.imput C.memory D.output
Answer:
A monitor is a type of Output.
â________________ software can sometimes be used to decrypt a drive that is utilizing whole disk encryption.
The ____ property configures a shadow effect on the text displayed within an element
Which connector is most commonly used to connect printers to desktop pc systems?
A(n) ____ window is an open window hidden from view but that can be displayed quickly by clicking the window's app button on the taskbar.â
Answer:
The correct answer is: minimized.
Explanation:
When a window is active (the corresponding button is selected in the taskbar), clicking on its button in the taskbar minimizes the window. This means that the window disappears from the desktop. When a window is minimized, its content is not closed or deleted, it is simply temporarily removed from the desktop. In the previous image; are minimized, Excel and Windows Media Player but are still running, as their respective buttons appear in the taskbar. You can also minimize a window by clicking the Minimize button located in the upper right corner of the window.
To restore a minimized window - that is, to display it again on the desktop - click its button on the taskbar. For more information about these buttons, see Windows help and support.
What is the second step in opening the case of a working computer?
Final answer:
The second step in opening a computer case involves ensuring the computer is turned off and disconnected from any power source, followed by removing all cables.
Explanation:
The second step in opening the case of a working computer typically involves preparing the computer to be safely opened. Prior to opening the case, ensure that the computer is turned off and disconnected from any power source to avoid electric shock or damaging the components. After confirming the computer is powered down, you usually need to remove any cables connected to it, including the power cable, and place the computer on a stable, flat surface. Looking at various contexts, the second step may vary, but safety and disconnection from power are the key concerns before opening a computer case.
What is the significance of the vertical columns of the periodic table? what is the significance of the horizontal rows?
Yes, horizontal rows are periods. “All of the elements in a
period have a similar number of atomic orbitals. Each element in the top row
(the principal time frame) has one orbital for its electrons. The greater part
of the components in the second column (the second time frame) has two orbitals
for their electrons. It goes down the occasional table that way. As of now, the
most extreme number of electron orbitals or electron shells for any element is
seven."
The vertical columns are groups. "The elements in a
group have the same number of electrons in their outer orbital [and thus the
same charge]. Every element in the first column (bunch one) has one electron in
its external shell. Each element on the second segment (assemble two) has two
electrons in the external shell. As you continue tallying the segments, you'll
know what numbers of electrons are in the external shell.
Once you have saved a block of text or graphics fir easy insertion in other documents, you'll see it in the _____ gallery.
A. clip art
B. multimedia online
C. photo space
D. quick parts
I thought the answer was A. Clip art, but I got it wrong and I can't seem to find it anywhere in the lesson.
What type of electronic monitoring involves an offender being contacted periodically by telephone or beeper to verify his or her whereabouts?
An instruction book or program that takes users through a prescribed series of steps to learn how to use a program is called (a) ________.
____ are diagrams used in mathematics and logic to help describe the truth of an entire expression based on the truth of its parts.
A ____ copies and then automatically compresses files and folders from a hard disk to a single file, called a backup file.
What is the important safety information found on a boat's capacity plate?
Which adapter card in a pc would provide data fault tolerance?
An administrator needs to install a domain controller in a remote office, with the requirement that the domain controller does not store password information. what type of domain controller should the administrator install?
A ________ attack disables a computer system or network by making so many requests of it that it overloads it and keeps other users from accessing it.
The process of building new systems by combining packaged software, existing legacy systems, and new software written to integrate everything together is called _____.
From which part of the boat should you lower the anchor line?
When you connect to your isp's pop, the isp and the equipment at the pop go through a process called _________, establishing the speed of the internet connection, and then proceed to _________?
Servers and high-end workstations commonly use _______ memory, which is specialized memory as it has additional circuitry to manage large amounts of ram.
You observe a small plaque on an electrical appliance that reads, in part, "115 volts AC 60 Hz." This means that the appliance A. contains a heating element. B. may be operated with batteries. C. produces special safety hazards. D. must be operated on alternating current.
An icon on your desktop is a component of a ____ interface.