holds data when the computer is off or during the course of a program’s operation.

Which is true of the control program of an operating system OS )?

Which of the following is true of the control program of an operating system (OS)? It generates checksums to verify that data is not corrupted. Which of the following is true of fourth-generation languages (4GLs)? They are the easiest computer languages to use.

Which is true of the supervisor program of an operating system is )? Quizlet?

It is a set of programs for controlling and managing computer hardware and software. Which of the following is true of the supervisor program of an operating system (OS)? It controls compilers in the OS.

Is the enclosure containing the computer's main components?

A computer case, also known as a computer chassis, is the enclosure that contains most of the components of a personal computer (usually excluding the display, keyboard, and mouse).

Is a link between devices connected to a computer?

A bus is a link between devices connected to the computer. It can be parallel or serial, internal (local) or external. stores data and information and is usually volatile; its contents are lost when electrical power is turned off. It plays a major role in a computer's performance.

Where is software stored when the computer is off?

But since it is volatile, as soon as computer is turned off, the data stored in the RAM lose. So in computers, Operating System is installed and stored on the hard disk. As hard disk is a non volatile memory, OS does not lose on the turn off.

Where on a computer is the operating system stored quizlet?

All data and instructions (including the OS) are stored in RAM while your computer is on. When you turn off your computer, RAM is wiped clean of all its data (including the OS).

What is a system unit in computer?

A system unit is the part of a computer that houses the primary devices that perform operations and produce results for complex calculations. It includes the motherboard, CPU, RAM and other components, as well as the case in which these devices are housed.

What is hardware of a computer?

Hardware refers to the computer's tangible components or delivery systems that store and run the written instructions provided by the software. The software is the intangible part of the device that lets the user interact with the hardware and command it to perform specific tasks.

What is computer system and its components?

A computer system is a set of integrated devices that input, output, process, and store data and information. Computer systems are currently built around at least one digital processing device. There are five main hardware components in a computer system: Input, Processing, Storage, Output and Communication devices.

What is a connection device?

Connected devices are physical objects that can connect with each other and other systems via the internet. They span everything from traditional computing hardware, such as a laptop or desktop, to common mobile devices, such as a smartphone or tablet, to an increasingly wide range of physical devices and objects.

Which components of a computer connects the processor to the other hardware?

The motherboard is a circuit board that connects the CPU to the memory and all the other hardware. The CPU sits on the motherboard (also called the logic board). Buses are circuits on the motherboard that connect the CPU to other components.

What is meant by connecting devices?

Connecting devices are bridges between the different parts of a document that tie all of the pieces together into one coherent package. Connecting devices show the reader how various sections of information are related, and they help keep the reader o n track with the flow of information.

Which of the following is not true about an operating system?

Detailed Solution. Option 1: ​It ensures that computer system components like hard disk and RAM never crash or malfunction. False, An operating system (OS) is system software that manages or ensures computer hardware, software resources, and provides common services for computer programs.

What are the three major activities of an operating system with regard to memory management?

The three major activities of the operating system with regard to memory management are:Keeping track of which parts of memory are currently being used and by whom.Deciding which processes are to be loaded into memory when memory space becomes available.Allocating and deallocating memory space as needed.

What manages the execution of user programs to prevent errors and improper use of the computer?

An operating system is a control program. This program controls the execution of user programs to prevent errors and improper use of the computer. Operating systems exist because: they are a reasonable way to solve the problem of creating a usable computing system.

In what way is an operating system like a government quizlet?

Terms in this set (20) In what way is an operating system like a government? It creates an environment within which other programs can do useful work.

When does a processor need to read or write a location in main memory?

Cache Performance: When the processor needs to read or write a location in main memory, it first checks for a corresponding entry in the cache. If the processor finds that the memory location is in the cache, a cache hit has occurred and data is read from cache.

What is cache memory?

Last Updated : 08 Jun, 2020. Cache Memory is a special very high-speed memory. It is used to speed up and synchronizing with high-speed CPU. Cache memory is costlier than main memory or disk memory but economical than CPU registers. Cache memory is an extremely fast memory type that acts as a buffer between RAM and the CPU.

Why is cache important?

Cache memory is used to reduce the average time to access data from the Main memory. The cache is a smaller and faster memory which stores copies of the data from frequently used main memory locations. There are various different independent caches in a CPU, which store instructions and data.

What is level 1 memory?

Level 1 or Register –. It is a type of memory in which data is stored and accepted that are immediately stored in CPU. Most commonly used register is accumulator, Program counter, address register etc. Level 2 or Cache memory –.

What is a device that accepts input, processes data, stores data, and produces output, all according to

A device that accepts input, processes data, stores data, and produces output, all according to a series of stored instructions. A computer program that tells the computer how to perform particular tasks. Used to keep data when the power to the computer is turned off. Approximately 1 billion bytes.

What is data in computer terms?

Data. Refers to the symbols that represent facts, objects, or ideas. Hardware. Includes the electronic and mechanical devices that process the data; refers to the computer as well as peripheral devices. Network. Two or more computers and other devices that are connected, for the purpose of sharing data and programs.

What is the primary input device of a computer?

Keyboard. An arrangement of letters, numbers, and special function keys that act as the primary input device to the computer. Input. Whatever is put into a computer system. System unit. Case that holds the power supply, storage devices, and the circuit boards (including the motherboard).

What is the result of the computer storing data as bits and bytes?

The results of the computer storing data as bits and bytes; the words, numbers, sounds, and graphics. Sound Card. A circuit board that gives the computer the ability to accept audio input, play sound files, and produce audio output through speakers or headphones. Computer.

What is a drive?

A named collection of data that exists on a storage medium. A computer program that tells the computer how to perform particular tasks. Set of program instructions that attaches itself to a file, reproduces itself, and/or spreads to other files. Drives can read data from disks, but cannot store new data on them.