IT Fundamentals Practice Exam Questions And Already Passed Answers.
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Course
IT Fundamentals
Institution
IT Fundamentals
Computer - Answer a system that manipulates data according to a set of instructions
Hardware - Answer devices and components that make up a computer system
Peripheral Devices - Answer hardware allowing input and output into a computer
Operating System (OS) - Answer A basic soft...
IT Fundamentals Practice Exam
Questions And Already Passed Answers.
Computer - Answer a system that manipulates data according to a set of instructions
Hardware - Answer devices and components that make up a computer system
Peripheral Devices - Answer hardware allowing input and output into a computer
Operating System (OS) - Answer A basic software environment
Software Applications - Answer programs installed within the OS to extend the computer's capabilities
Software - Answer an interface allowing the user to interact with the computer system
Steps of Basic Computing & Processing - Answer 1. A command is selected
2. The software application receives the command
3. Using the OS, the application converts the command into a series of instructions
4. The instructions are stored in system memory (RAM)
5. The Central Processing Unit (CPU) retrieves and processes each instruction/data file
6. The CPU writes the result back to memory and directs other components to perform actions
Input - Answer the computer receives data entered by the user through peripheral devices, such as
mice, keyboards, scanners, cameras, and microphones
Processing - Answer the data is written to memory and manipulated by the CPU, acting on instructions
from the operating system and applications software
, Output - Answer the processed data is shown or played to the user through an output device, such as a
monitor or loudspeaker system
Storage - Answer the data may be written to different types of storage devices, such as hard disks or
optical discs, because data stored in most types of system memory is only preserved while the computer
is powered on
IBM PC - Answer developed in 1981 on a x86 architecture using a CPU designed my Intel
Internet of Things (IoT) - Answer a world in which many different types of things are embedded with
processing and networking functionality
Workstation/Desktop PCs/Desktops - Answer a type of PC that is housed in a case that can sit on or
under a desk that is operated by a single user
Speed - Answer determined by the CPU's quality
System Memory - Answer - allows running more applications simultaneously and for larger amounts of
data to be processed more quickly
- this type of memory is volatile, meaning that it is only preserved while the system is powered up.
System memory is provided by Random Access Memory (RAM) modules
Ergonomics - Answer the quality of peripherals; the study of factors affecting the performance of
people at work
Server - Answer any computer providing services to other computers, but usually the term server
implies a powerful computer that supports a number of users simultaneously in a computer network
Laptop - Answer integrates the display, system components, and input/output devices within a single,
portable case (or chassis)
Thermostats (Home Automation) - Answer monitor and adjust your home or office Heating,
Ventilation, and Air Conditioning (HVAC) controls from an app installed on your phone
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