Comptia fundamentals 1.3 Illustrate the basics of computing and processing.

What systems use a Central Processing Unit (CPU) and memory? A. All types of computers B. Servers only C. Desktops only D. Laptops only

A. All types of computers A Central Processing Unit (CPU) and memory are used by all types of computers, including servers, desktops, and laptops. The CPU retrieves each instruction or data file from memory and processes it. Afterward, the CPU writes the results back to memory and directs other components to perform actions.

What three elements are required for a computer to perform useful tasks? A. Hardware, software, and the computer user B. Keyboard, printer, and software C. The computer programmer, the user, and the technician D. Hardware, monitor, computer user

A. Hardware, software, and the computer user The task model requires that you have three things: hardware to do the work, software to tell the hardware what to do, and the computer user to interface with the computer.

How is computer data defined? A. Information shared in an IT system using nothing more complicated than the binary digits 1 and 0 B. Information presented as unprocessed facts and figures without any added interpretation or analysis C. Information transferred between people either through speaking or writing, using words in a structured and conventional way D. Information that references something else in design or origin

A. Information shared in an IT system using nothing more complicated than the binary digits 1 and 0 Computer data is information processed or stored by a computer using nothing more complicated than the binary digits 1 and 0. This information may be in the form of text documents, images, audio clips, software programs, or other types of data. Computer data may be processed by the computer's CPU and is stored in files and folders on the computer's hard disk.

When a computer writes data to memory and manipulates that data, the computer is said to be doing what? A. The computer is using the CPU to act on instructions from the operating system and application software. B. The computer is sending output to a monitor or printer. C. A computer cannot write data to memory. D. The CPU is operating independently from the user without input or instructions from the operating system or application software.

A. The computer is using the CPU to act on instructions from the operating system and application software. The computer does its primary work in a part of the machine we cannot see, a control center that converts data input to information output. The central processing unit (CPU), is a highly complex, extensive set of electronic circuitries that executes stored program instructions from the operating system and application software. All computers, large and small, must have a central processing unit.

What are peripheral devices? A. The parts of a computer system that are not contained within the case B. All of the parts of the computer that are contained within the case C. The parts of the computer that reside on the motherboard D. The parts of the computer that reside within the monitor

A. The parts of a computer system that are not contained within the case A peripheral device is generally defined as any auxiliary device, such as a computer mouse or keyboard, that connects to and works with the computer in some way. Other examples of peripherals are image scanners, tape drives, microphones, loudspeakers, webcams, and digital cameras.

How does a computer receive data entered by a user? A. Through the use of peripheral devices, such as mice and keyboards B. Through the use of the Internet C. Through interfaces such as a printer or computer screen D. Through data written directly to memory

A. Through the use of peripheral devices, such as mice and keyboards A computer receives data from a user via input, which is defined as the way a human interfaces with a computer through a peripheral device such as a keyboard, mouse, camera, or other such device.

How does a user receive information from a computer? A. The data is transferred via the Internet. B. The data is stored on a hard drive or flash drive. C.Data is shown or displayed to the user through an output device. D. Information is interfaced using the keyboard.

C. Data is shown or displayed to the user through an output device. A user receives information from a computer via output, which is how a computer displays the information that it has processed. This is usually displayed through a peripheral device that produces an image or sound, such as a monitor, printer, or speaker.

What is the difference between hardware and software? A. There isn't really a difference between software and hardware; they are interchangeable terms. B. In simple terms, software does all the work and hardware acts as the brain. C. Software refers to a collection of data or computer instructions that tell the computer how to work. Hardware is the set of physical components that make up the system and perform the work. D. Hardware is the term used to refer to the computer instructions that tell the computer how to work. Software is the equipment that performs the work.

C. Software refers to a collection of data or computer instructions that tell the computer how to work. Hardware is the set of physical components that make up the system and perform the work. Software refers to a collection of data or computer instructions that tell the computer how to work. The physical hardware (the computer) actually performs the work. Computer hardware and software require each other, and neither can be realistically used on its own.

What is the most common use for peripheral devices in a computer? A.To generate the graphics that show up on the monitor B. To store information within the computer case, to be used later C. To enter information as input or deliver to the user as output D. To store information within the computer case, to be used later

C. To enter information as input or deliver to the user as output A peripheral device is any auxiliary device that connects to and works with the computer in some way. Most common uses are for entering information as input (i.e. a keyboard or a mouse) and delivering it to the user as output (i.e. monitors, printers, or speakers).

Why do computers save or write data to a storage device? A. Due to recent technological advances, a computer no longer needs to use memory to save data. B. A given instruction or piece of data is stored in memory to keep track of it. C. A CPU needs a cache to save memory. D. Data running on system memory is only preserved while the computer is powered up.

D. Data running on system memory is only preserved while the computer is powered up. Memory is also known as primary storage, primary memory, main storage, internal storage, main memory, or Random Access Memory (RAM); these terms are used interchangeably by computer experts. Memory is the part of the computer that holds data and instructions for processing regardless of whether the computer is on or off.