Hardware & Software Vocabulary Crossword

Subscriber Identification Module
A unit of measurement for AC (alternating current) or EM (electromagnetic) wave frequencies equal to 1,000,000,000 (one billion) Hz (hertz).
A Unix-like, open source and community-developed operating system for computers, servers, mainframes, mobile devices and embedded devices.
A series of graphical operating systems developed and marketed by Apple Inc.
Any program or file that is harmful to a computer user.
One million hertz, especially as a measure of the frequency of radio transmissions or the clock speed of a computer.
A computer program or software application designed to run on a mobile device such as a phone, tablet, or watch.
Defined as a computer device, such as a keyboard or printer, that is not part of the essential computer
The main part of a desktop computer.
The core software functions that allow you to manage your computer in ways that you would find it inconceivable to be without.