Advanced Vocabulary for TOEFL - The Computer World

Here you will learn some English words about the computer world, such as "binary", "boot", "cpu", etc. that are needed for the TOEFL exam.

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Advanced Vocabulary for TOEFL

the non-physical space in which communication over computer networks takes place

Ex: The cybersecurity team monitors cyberspace for potential threats and unauthorized access attempts .
analog [adjective]

relating to or using signals in which information is represented through constant changing of physical quantities

Ex:
binary [adjective]

based on or using a numerical system that operates only on 0 and 1

Ex:

(computing) to move important information or information that is not often needed to a different disk, tape, or another computer to store it, sometimes as a security measure

Ex: The system automatically archives data every month to ensure long-term preservation .
backup [noun]

(computing) a copy of computer data that can be used to restore lost or damaged data

Ex:

the symbol (\), used in some computer commands

(in a computer, phone, etc.) a key on the keyboard used to erase the last letter or go backward

each of the several keys at the top of a computer keyboard marked with (F) and a number that make the computer perform particular operations

to boot [verb]

to start a computer, typically involves setting up hardware elements to prepare the computer for use

Ex: He booted his laptop , ready to tackle the day 's programming assignments .
bot [noun]

a computer program that automatically performs tasks over the internet

cache [noun]

(computing) a type of computer memory in which information that is often in use can be stored temporarily, a cache can be accessed quickly and is needed while a program is running

Ex: The browser stores frequently visited websites in its cache .

(computing) a temporary storage area for data that has been copied or cut

Ex: He used the clipboard to quickly gather all the necessary data .
byte [noun]

a unit for measuring the size of computer data that equals 8 bits

Ex: The program requires at least 4 gigabytes of RAM , which is equivalent to billions of bytes , to run smoothly .

(in electronic devices such as computers, etc.) the main printed circuit board that makes it possible for all the parts of a computer to communicate

Ex: The CPU and memory are attached to the motherboard .
on-board [adjective]

built into or functioning within a main system or device, especially in electronics

Ex: The on-board processor handles basic tasks smoothly .
pixel [noun]

the smallest unit of an image on the screen that collectively can form a whole image

a device that allows the computer to read the data on a computer disk and transfer data to or from it

driver [noun]

a software that controls the interaction between a computer and another equipment, such as a printer or scanner

the speed at which a computer can process information, expressed in (MHz)

Ex: Overclocking can increase a CPU 's clock speed beyond its rated limit .
firmware [noun]

(computing) a type of software stored in a way that it cannot be modified or erased

Ex: The printer 's firmware controls its internal functions .
malware [noun]

a software designed to disrupt or damage the computer without the user knowing

the ability of a computer, software, or equipment to work with another device or software

Ex: Compatibility between different versions of software is crucial for smooth operation .

the set-up, hardware, and software of a computer that makes a complete system

Ex: The software was incompatible with the current configuration of the machine .
to debug [verb]

(computing) to detect and remove faults in a software

Ex: After debugging the code , the website was finally ready for launch without any issues .

(computing) to prepare a storage device, such as a hard drive or USB, for use by deleting all the data on it and setting it up for a specific file system

Ex: To resolve the issue with the USB drive , I had to format it and reinstall the necessary files .
back end [noun]

a part of a computer responsible for storing and controlling data where users cannot easily access

Ex: Database administrators manage the back end by optimizing database performance , implementing data backups , and monitoring system health .

a part of a computer that is easily accessible and one uses constantly

Ex:

(computing) the program through which a user can interact with a computer, especially its design and appearance

Ex: Users can customize the interface of their operating system to suit their preferences .
hack [noun]

an adjustment of the codes of a computer program that solves a problem in a quick way

Ex: The team implemented a temporary hack to bypass the error and keep the system running .

to transform data into a coded form

Ex: Barcode scanners are designed to encode information on products for quick identification .

to convert data or information into a coded form, mainly to prevent unauthorized access

Ex: The messaging app encrypts communications to ensure secure conversations .
interactive [adjective]

describing the constant passage of data between a computer or other device and a user

Ex: The website includes interactive elements such as quizzes and polls to engage visitors and gather feedback .

(computing) to cancel an operation or to turn off the computer automatically because a predefined interval of time has passed without a certain event happening

open-source [adjective]

(computing) describing a computer program whose source code is available to everyone

Ex: The company adopted an open-source operating system for cost savings .

a network for communication between computers, usually within a building

Ex:
modem [noun]

an electronic device that uses telephone lines to send and receive data between two computers

Ex: The modem connects to the wall and the computer .

the visual interaction that users have with the computer through icons, menus, etc.

Ex: Users praised the application 's graphical user interface for its simplicity .
router [noun]

an electronic device that connects computer networks and sends data between networks

Ex: A router is essential for setting up a home or office network .