Computing Fundamentals Practice Questions with complete Solutions | Graded A+

Computing Fundamentals Practice Questions with complete Solutions | Graded A+ USB Port - USB - A(n) ___ scanner uses radio frequencies to read the data stored in special tags. - RFID ___ technology can translate a scanned image into text that can be edited and formatted. - OCR A(n) ___ code, which appears as a square filled with dots and lines, is often used to direct a smartphone to open a specific web address. - QR The main component of a desktop computer is the ___, which is the case that houses the computer's critical parts, such as the processing and storage devices. - System Unit As the largest circuit board in a personal computer, the ___ contains a variety of slots, connectors, and plugs for hooking up all the other parts of a computer. - Mother Board The ___ port is used to connect almost all of today's external devices. - USB The ___, or microprocessor, is the main processor of a computer. - CPU Today's processors have reached the ___ mark, capable of processing billions of instructions per second. - GHz Suppose that a laptop identifies its processor as follows: AMD's A8-4500M. What does the AMD represent? - The Manufacturer Which type of memory temporarily holds the programs and files that you are actively working on? - RAM Which type of memory contains device-specific information and handles a computer's basic functions when it is powered on? - ROM Which of the following units is represented as an on (1) or off (0) value? - BIT Which of the following units is the smallest? - Kilobyte The magnetic ___ often serves as the primary storage device of a personal computer. - hard drive ___ are often used to back up or archive large quantities of information. - Tape Drives A designation of ___ means that a blank optical disc can be recorded to only once. - -R With capacities starting at 25 GB, the ___ is the optical media with the most storage. - BluRay Disc Why are many computers, especially ultraportable ones, using SSDs instead of traditional magnetic hard drives? - Because SSD's are faster and consume less power Which keyboards are designed to be comfortable and tailored for the human body? - Ergonomic The ___ appears on the screen as a blinking vertical line, a small box, or some other symbol to show your place in a document or command line. - Cursor Bringing your thumb and index together in a pinching motion (for zooming in and out) is an example of: - a gesture Which rectangular, stationary pointing surface is found on almost all laptop computers? - Touchpad What is the name of the pen-like tool that allows you to tap or write notes on many touchscreen interfaces? - Stylus Which of the following choices is NOT a speech recognition program/assistant? - Intels Eris