Computer fundamental MCQ Questions and answers- Technical Aptitude

Firewalls are used to protect the computer network and restricts illicit traffic. Denial of Service (DoS) attack is one such automated attack which a firewall with proper settings and the updated version can resist and stop from getting executed.

In computing, ".bak" is a filename extension commonly used to signify a backup copy of a file.

Software tool that help a user to interact with computer for a specific purpose are called Application. Operating System is the software that mainly helps applications to easily run, as well as controls display and keyboard.

The four primary functions of a processor are fetch, decode, execute and write back. Fetch- is the operation which receives instructions from program memory from a systems RAM. Execute- is where the operation is performed.

In word processing, an efficient way to move the 3rd paragraph to place it after the 5th paragraph is cut and paste. Double space the lines of the essay. Even with dialogue that is clearly attributed, start a new paragraph with each new speaker.

Hardware encompasses all the physical components of a computer system. This includes the central processing unit (CPU), memory (RAM), storage devices (e.g., hard drives, SSDs), input devices (e.g., keyboard, mouse), output devices (e.g., monitor, printer), and any other physical components that are involved in processing and managing data. Hardware is the tangible, physical part of a computer system, as opposed to software which consists of programs and instructions.

The other options are not entirely correct:

Option A: all devices used to input data into a computer. While it is a part of hardware, hardware includes more than just input devices.
Option B: sets of instructions that a computer runs or executes. This describes software, not hardware.
Option C: the computer and all the devices connected to it that are used to input and output data. This is partially correct but doesn't encompass all hardware components involved in processing information.
Option E: None of these is not accurate because Option D is the correct answer, as it includes all hardware components.

So, the correct answer is Option D: all devices involved in processing information including the central processing unit, memory, and storage.

The quickest and easiest way in word, to locate a particular word or phrase in a document is to use the Find command. From the home tab, click the find command. Alternatively, you can press Ctrl + F on your keyboard.

The user interface (UI) is the point of human-computer interaction and communication in a device. This can include display screens, keyboards, a mouse and the appearance of a desktop. It is also the way through which a user interacts with an application or a website.

To create a document, you use the "new" option in the file menu to open a new document, or use the shortcut key CTRL + N to open a new document. There is a bank document that is open, and you can perform specific activities or provide new data in that document.

For creating a document, you select New option at File Menu. If you already have a file open in Word, you can create a new document by clicking File>New. You can also use the shortcut Ctrl + N (Command + N for Mac). To open a blank document, double-click the blank document option.