The correct answer is 'Compiler' because a compiler is a software tool that translates high-level programming languages into machine code that can be executed by a computer. This process allows the computer to understand and run the instructions written in a high-level language. Therefore, a compiler is the program that enables the execution of high-level language programs on a computer.
The correct answer is 'CtrlShift4' because this keyboard shortcut is specifically used to format numbers in currency format in Excel. By pressing CtrlShift4, the selected cell or range of cells will be formatted with the currency format, adding the appropriate currency symbol and decimal places. This shortcut is a quick and efficient way to format numbers as currency in Excel.
The correct answer is 'D. every computer is capable of playing the role of client, server or both at the same time' because in a peer-to-peer network, each computer can act as both a client and a server. This means that every computer in the network has the ability to request and receive data (client) as well as share and provide data (server) with other computers in the network. This flexibility allows for a decentralized network where each computer can communicate directly with other computers without the need for a central server.
The correct answer is 'D. Socio economic difference technology era' because the term 'Digital Device' is associated with the technological advancements and innovations that have emerged in different socio-economic contexts throughout various eras. This answer highlights the connection between digital devices and the societal and economic factors that influence their development and usage. It accurately captures the intersection of technology, society, and economy in shaping the evolution of digital devices.
The correct answer is 'F2' because in Excel, pressing the F2 key allows you to enter the edit mode for the selected cell. This key is specifically designed to enable users to make changes directly within the cell without having to double-click or use any other method.
The correct answer is 'LINUX' because Linus Torvalds is the creator of the Linux operating system. He started developing Linux in 1991 as a free and open-source alternative to Unix. Therefore, Linux is the system directly associated with Linus Torvalds.
The correct answer is 'C. System software' because drivers are software programs that allow the operating system to communicate with and control hardware devices. System software includes drivers that enable the hardware components of a computer to function properly. Therefore, system software is responsible for managing and controlling the drivers that operate computer hardware.
The correct answer is 'computer forensics' because it specifically refers to the practice of collecting, analyzing, and preserving digital evidence from electronic devices. In this context, recovering and reading deleted or damaged files from a criminal's computer falls under the expertise of computer forensics specialists. These professionals are trained to investigate cybercrimes and gather evidence that can be used in legal proceedings.
The correct answer is 'D. All of above' because an operating system can be compared to all the options provided in the question. It can be seen as a traffic cop because it manages the flow of data between hardware and software. It can also be likened to a manager because it controls and coordinates the resources of a computer system. Lastly, it can be compared to a bridge because it connects different components of a computer system.
The correct answer is 'D. Executable' because an executable program is a file that is ready to be executed or run without needing any further modifications. This type of program is already compiled and can be directly run on a computer without the need for additional steps or changes.