Operating System - Study Mode

[#246] ...... transforms one interface into other interface
Correct Answer

(B) Software

Explanation

Solution: Software transforms one interface into other interface. Computer software (often called just software) is a set of instructions and associated documentation that tells a computer what to do or how to perform a task or it can mean all the software on a computer, including the applications and the operating system.

[#247] ........ interface consists of thing like program counter, register, interrupts and terminal
Correct Answer

(A) Hardware

Explanation

Solution: A hardware interface consists of components such as program counter, registers, interrupts, and terminals. Program counter , registers , interrupts , and terminals are all physical components or aspects of hardware that facilitate interaction and operation within a computer system. Software pertains to programs and applications that run on the hardware and utilize these interfaces for functionality. Data refers to information processed by the computer, which can be stored and manipulated by software and accessed through hardware interfaces. Therefore, the correct answer is Option A: Hardware.

[#248] ....... show characteristics with both hardware and software
Correct Answer

(A) Operating system

Explanation

Solution: Operating system shows characteristics with both hardware and software. An operating system (OS) is a system software that manages hardware and software resources of a computer system. It acts as an intermediary between applications and the computer hardware, providing services and managing resources. Characteristics with hardware: The operating system directly interacts with hardware components such as the CPU, memory, storage devices, and peripherals. It manages hardware resources, allocates them to different applications, and ensures efficient utilization. Characteristics with software: The operating system itself is a software program that runs on the hardware. It provides an interface for users to interact with applications and the system. The OS includes software components like system utilities, device drivers, and application programming interfaces (APIs) that enable software applications to run. Data refers to information processed and stored by the computer, which is managed by the operating system but is not an operating system itself. Therefore, the correct answer is Option A: Operating system.

[#249] Which of the following command is used to switch between the window programs?
Correct Answer

(A) Alt + Tab

Explanation

Solution: Press Alt + Tab. You move from one open application window to another. Press and hold Alt + Tab. A small box reveals all opened programs.

[#250] To prevent the addition and deletion of files on a disk or tape we use
Correct Answer

(B) Write protect

Explanation

Solution: Write protection is the term used to denote the locking mechanism which prevents modification or deletion of data on a storage device. Write protection helps in the preventing accidental and intentional data modification and also helps protect against virus attacks.