Computing Fundamentals Exam Questions and Answers

Computing Fundamentals Exam Questions and Answers USB Port -Answer- USB -Answer- A(n) ___ scanner uses radio frequencies to read the data stored in special tags. -Answer-RFID ___ technology can translate a scanned image into text that can be edited and formatted. - Answer-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. -Answer-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. -Answer-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. -Answer-Mother Board The ___ port is used to connect almost all of today's external devices. -Answer-USB The ___, or microprocessor, is the main processor of a computer. -Answer-CPU Today's processors have reached the ___ mark, capable of processing billions of instructions per second. -Answer-GHz Suppose that a laptop identifies its processor as follows: AMD's A8-4500M. What does the AMD represent? -Answer-The Manufacturer Which type of memory temporarily holds the programs and files that you are actively working on? -Answer-RAM Which type of memory contains device-specific information and handles a computer's basic functions when it is powered on? -Answer-ROM Which of the following units is represented as an on (1) or off (0) value? -Answer-BIT Which of the following units is the smallest? -Answer-Kilobyte The magnetic ___ often serves as the primary storage device of a personal computer. -Answer- hard drive ___ are often used to back up or archive large quantities of information. -Answer-Tape Drives A designation of ___ means that a blank optical disc can be recorded to only once. -Answer--R With capacities starting at 25 GB, the ___ is the optical media with the most storage. -Answer- Blu-Ray Disc Why are many computers, especially ultraportable ones, using SSDs instead of traditional magnetic hard drives? -Answer-Because SSD's are faster and consume less power Which keyboards are designed to be comfortable and tailored for the human body? -Answer- 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. -Answer-Cursor Bringing your thumb and index together in a pinching motion (for zooming in and out) is an example of: -Answer-a gesture Which rectangular, stationary pointing surface is found on almost all laptop computers? - Answer-Touchpad What is the name of the pen-like tool that allows you to tap or write notes on many touchscreen interfaces? -Answer-Stylus Which of the following choices is NOT a speech recognition program/assistant? -Answer-Intels Eris Higher ___ cameras can capture more detail, but they will produce a larger image file on your storage media. -Answer-megapixel Many individuals are using ___ to turn their computers into DVRs, which allow you to record television shows for future playback. -Answer-TV Tuners A(n) ___ input device authenticates you based on patterns or characteristics found in the human body. -Answer-biometric A modern monitor might have a(n) ___ of 1920x1080 pixels. -Answer-resolution ___ technology changes the way LCD monitors are illuminated. -Answer-LED A(n) ___ connector carries both digital video and sound. -Answer-HDMI Most computers provide a sound subsystem directly on the motherboard and do not require a separate sound ___ for audio output. -Answer-Ca