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C1 Level Wordlist - Computer Science

Here you will learn some English words about computer science, such as "analog", "megabyte", "storage", etc. prepared for C1 learners.

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CEFR C1 Vocabulary
accessible
accessible
[Adjective]

(of a place) able to be reached, entered, etc.

Ex: The wheelchair ramp made the building more accessible to people with mobility impairments. 
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analog
analog
[Adjective]

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

Ex: The record player uses analog technology to reproduce sound from vinyl records. 
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antivirus
antivirus
[Adjective]

having the ability to protect a system from viruses by finding and destroying them

Ex: The new antivirus software boasts advanced features for protecting systems from malicious viruses and malware. 
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compatible
compatible
[Adjective]

able to work or be used with a particular device, system, or piece of equipment

Ex: This keyboard is compatible with most modern tablets. 
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down
down
[Adjective]

(of a computer system) not working temporarily or properly

Ex: The company's website was down for maintenance, causing inconvenience for online shoppers. 
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interactive
interactive
[Adjective]

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

Ex: The educational software offers interactive lessons that engage students in active learning. 
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Bluetooth
Bluetooth
[noun]

the system through which different devices can be connected to each other over short distances wirelessly using radio waves

Ex: The Bluetooth technology in my car allows me to connect my phone and stream music wirelessly while driving. 
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Blu-ray
Blu-ray
[noun]

a type of blue disk on which large data such as high-definition videos can be stored

Ex: We watched the latest blockbuster movie on Blu-ray for the best audio and video quality. 
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USB
USB
[noun]

the technology or system for connecting other devices to a computer

Ex: I transferred the files from my USB drive to my computer to back them up. 
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byte
byte
[noun]

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

Ex: The text file is 1 megabyte in size, which is equivalent to 8 million bytes. 
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kilobyte
kilobyte
[noun]

a unit for measuring computer data that equals 1024 bytes

Ex: The text document is only a few kilobytes in size, making it easy to send via email. 
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megabyte
megabyte
[noun]

a unit for measuring computer data that equals 1024 kilobytes

Ex: The high-resolution image file is 5 megabytes in size, containing thousands of kilobytes of data. 
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gigabyte
gigabyte
[noun]

a unit for measuring computer data that equals 1024 megabytes

Ex: The hard drive has a storage capacity of 1 terabyte, equivalent to 1024 gigabytes of data. 
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terabyte
terabyte
[noun]

a unit for measuring computer data that equals 1024 gigabytes

Ex: The external hard drive can store up to 4 terabytes of data, providing ample space for backups and archives. 
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backup
backup
[noun]

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

Ex: It's important to create regular backups of your files to prevent data loss in case of a computer crash. 
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storage
storage
[noun]

the process of keeping digital information on a computer or other electronic system

Ex: The company uses encryption for the storage of customer data. 
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flash drive

a small device used for storing data or transferring data between electronic devices

Ex: I transferred the presentation to a flash drive so that I could easily share it with my colleagues. 
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hard disk drive

a disk on which data is stored, either inside or outside a computer

Ex: The computer's hard disk drive is running out of space due to the large amount of data stored on it. 
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cyberspace

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

Ex: With the rise of social media platforms, interactions in cyberspace have become increasingly common. 
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data processing

a set of actions done on data by a computer to have a certain result

Ex: The company invested in advanced data processing software to streamline its operations and improve efficiency. 
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default
default
[noun]

a setting, value, or choice that is used automatically unless another one is selected

Ex: English is the default language of the application. 
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cursor
cursor
[noun]

a movable mark on a computer screen that indicates where the user is working

Ex: Move the cursor to the desired location and click to select. 
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display
display
[noun]

an electronic device that visually presents data

Ex: The store had a wide selection of displays, ranging from high-definition monitors to large-screen televisions. 
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drop-down menu

a list that presents different options on a computer screen and remains there until one option is chosen by the user

Ex: To select your preferred language, click on the drop-down menu at the top right corner of the screen. 
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hacker
hacker
[noun]

someone who uses computers to illegally access someone else's computer or phone

Ex: The hacker gained unauthorized access to the company's database and stole sensitive information. 
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help desk
help desk
[noun]

a service that gives information and support to the computer users, particularly those who work in the same place

Ex: The help desk provides technical assistance to employees experiencing computer-related issues. 
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interface
interface
[noun]

the part of a computer program or system through which a user views information and gives commands

Ex: The app has a simple interface that is easy to navigate. 
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microprocessor

a very small piece of electronic equipment in a computer programed to control all the functions of the CPU

Ex: The Intel Core i7 is a powerful microprocessor commonly found in high-end desktop computers. 
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multimedia

the application of images, text, audio, and video files collectively

Ex: Multimedia presentations engage audiences by incorporating various elements like images, animations, and sound effects. 
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personal computer

a computer designed for use by one person at a time, especially at home, school, or work

Ex: Emma uses a personal computer for work and online classes. 
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workstation

a powerful computer designed for professional, technical, or scientific work

Ex: The engineers use high-performance workstations for 3D modeling. 
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spreadsheet

a computer program used for calculating data, especially financial data

Ex: The accountant used a spreadsheet to track expenses, revenue, and profits for the fiscal year. 
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to computerize

to use computers to perform a task or do a particular job

Ex: The company decided to computerize its inventory management system to improve efficiency. 
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to encode
to encode
[Verb]

to transform data into a coded form

Ex: Computer programmers encode sensitive information to protect it from unauthorized access. 
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to format
to format
[Verb]

to prepare a digital storage device for storing data by setting up a particular file system or data structure

Ex: Daniel formatted the new hard drive before using it. 
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to load
to load
[Verb]

to move data or a program from a local storage device into the memory of a computer

Ex: The software engineer needs to load the updated application into the server for testing. 
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to retrieve

to find and collect data stored on a computer

Ex: The IT specialist was able to retrieve the lost files from the backup server. 
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to upgrade

to improve equipment, software, or a system, especially by replacing it with a newer or better version

Ex: Daniel upgraded his computer with a faster processor. 
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to game
to game
[Verb]

to play computer or video games

Ex: Every Friday night, we gather at Tom's house to game together. 
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random-access memory

a type of computer memory tasked with temporarily storing data for a quicker access

Ex: The new gaming laptop boasts 16GB of RAM for smooth multitasking and faster loading times. 
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solid-state drive

a device fixed in a computer to store information, which retains data if power goes off and is much faster compared to a hard drive

Ex: Upgrading to an SSD drastically improved the computer's boot time and application loading speed. 
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Domain Name System

a decentralized naming system used on the Internet to translate human-readable domain names into numerical IP addresses that computers can understand, enabling the proper routing of data between devices and servers

Ex: The Domain Name System (DNS) translates domain names into IP addresses, allowing users to access websites by typing in human-readable URLs. 
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