MCQ Test: Fundamentals of Computer - 1 - JKSSB Patwari MCQ

A web browser is a software application used to access, view, and interact with websites and web content. Popular web browsers include Google Chrome, Mozilla Firefox, and Microsoft Edge.

A firewall is a network security device that acts as a barrier between an internal network and external networks, such as the internet. It monitors and controls incoming and outgoing network traffic, preventing unauthorized access to a computer or network.

Microsoft Excel is a popular spreadsheet software that allows users to create, edit, and analyze data using spreadsheets. It is widely used for tasks such as budgeting, financial analysis, and data organization.

Antivirus software is designed to detect, prevent, and remove malicious software (malware) from a computer system. It helps protect against viruses, worms, Trojans, and other types of malware.

The operating system (OS) is responsible for managing hardware resources such as the processor, memory, storage, and input/output devices. It provides an interface between the user and the computer's hardware.

Hard Disk Drives (HDDs) typically offer larger storage capacities compared to other storage devices. They use magnetic storage to store data on spinning disks.

The CPU is the central processing unit of a computer. It is responsible for executing instructions, performing calculations, and coordinating the activities of other hardware components.

HTML (Hypertext Markup Language) is the standard language used for creating web pages and structuring their content. It is used in conjunction with other technologies such as CSS (Cascading Style Sheets) and JavaScript to build interactive web applications.

RAM is a type of computer memory that allows data to be read from and written to. It provides fast and temporary storage for data that is actively being used by the computer's processor.

The printer is an output device and not an input device. It is used to produce hard copies of documents or images.

Rom is non-volatile memory include read-only memory, flash memory, ferroelectric, most types of magnetic computer storage devices .This is because you cannot erase or modify it when the computer system is turned off. Computer manufacturers write codes on the ROM chip, and users cannot alter or interfere with it.

The microprocessor brought the fourth generation of computers, as thousands of integrated circuits were built onto a single silicon chip. What in the first generation filled an entire room could now fit in the palm of the hand. The Intel 4004 chip, developed in 1971, located all the components of the computer—from the Central processing Unit (CPU) and memory to input/output controls—on a single chip.

Tthese small computers became more powerful, they could be linked together to form networks, which eventually led to the development of the Internet. Fourth generation computers also saw the development of GUIs, the mouse and handheld devices.

Fifth generation computing devices, based on artificial intelligence, are still in development, though there are some applications, such as voice recognition, that are being used today. The use of parallel processing and superconductors is helping to make artificial intelligence a reality. Quantum computation and molecular and nanotechnology will radically change the face of computers in years to come. The goal of fifth-generation computing is to develop devices that respond to natural language input and are capable of learning and self-organization.

In MS Excel, formulas are equations that perform various calculations in your worksheets. Though Microsoft has introduced a handful of new functions over the years, the concept of Excel spreadsheet formulas is the same in all versions of Excel 2016, Excel 2013, Excel 2010, Excel 2007 and lower.
All Excel formulas begin with an equal sign (=).

SMTP (Simple Mail Transfer Protocol) is a TCP/IP protocol used in sending and receiving e-mail. However, since it is limited in its ability to queue messages at the receiving end, it is usually used with one of two other protocols, POP3 or IMAP that let the user save messages in a server mailbox and download them periodically from the server. SMTP usually is implemented to operate over Internet port 25.
Many mail servers now support Extended Simple Mail Transfer Protocol (ESMTP), which allows multimedia files to be delivered as e-mail.

An integrated circuit or monolithic integrated circuit (also referred to as an IC, a chip, or a microchip) is a set of electronic circuits on one small flat piece (or "chip") of semiconductor material, normally silicon.

In mathematics and digital electronics, a binary number is a number expressed in the base-2 numeral system or binary numeral system, which uses only two symbols: typically 0 (zero) and 1 (one). The base-2 numeral system is a positional notation with a radix of 2. Each digit is referred to as a bit.

Icons are graphical pictures or symbols that represent various objects, such as files, folders, applications, or settings, on a computer system. Icons are commonly found on the desktop, in file managers, or in graphical user interfaces (GUIs) like Windows, macOS, or Linux. They provide a visual representation of objects, making it easier for users to recognize and interact with them.

The taskbar is a horizontal bar typically located at the bottom of the screen in a graphical user interface. It provides quick access to frequently used applications and displays system information, such as the time and date.

Windows is an operating system developed by Microsoft. While Windows does include icons as part of its user interface, the term "Windows" itself does not specifically refer to graphical pictures that represent objects.

The desktop refers to the primary screen area that is visible after starting up a computer. It serves as a workspace where users can organize files, folders, and shortcuts. Icons are commonly found on the desktop, but the desktop itself is not the graphical representation of objects.

Therefore, the correct answer is C) Icons.

A Graphical User Interface is a computer interface that allows users to interact with a device through graphical elements such as pictures and animations, as opposed to text-based commands.

Execution time refers to the period during which a job or task is being processed by a computer system. It represents the actual time taken by the computer to execute the instructions or perform the computations required by the job.

Delay time typically refers to the time spent waiting or being delayed in a system, but it is not specifically associated with the processing time of a job.

Real-time refers to systems that require immediate or near-immediate responses to inputs, often with strict timing requirements. Real-time systems process data as it comes in, without significant delays or buffering.

Waiting time typically refers to the time a process or job spends in a queue, waiting for resources or for its turn to be executed. It is related to scheduling and resource allocation in a computer system.

Therefore, the correct answer is A) Execution Time, as it specifically refers to the time during which a job is processed by the computer.