Computer Basics: Digital Devices Quick Quiz
Unit 2, Section A: Device Basics Quick Quiz
- A computer is a multipurpose device that accepts input, processes data, stores data, and produces output, all according to the instruction of a(n) stored program.
- An operating system is an example of system software.
- The main circuit board in a digital device is called a(n) system board.
- Three form factors for digital devices are slate, compact, and clam-shell.
- Touchscreens on many digital devices have a(n) oleophobic coating that resists fingerprints.
Unit 2, Section B: Device Options Quick Quiz
- Google and other Web service providers use banks of servers to process and manage data.
- Windows is the operating system used on desktop and laptop PCs. What is the equivalent operating system for Apple computers? OS X
- A(n) desktop computer is the only type of personal computer that must remain plugged into an electrical source during operation.
- Smartphones are the most popular digital devices worldwide.
- Compatibility is primarily controlled by a device’s operating system.
Unit 2, Section C: Processors and Memory Quick Quiz
- A laptop with an Intel Core i7 microprocessor operates at a speed of 3.4 GHz. (Hint: Use the abbreviation.)
- 8088, i7, and Athlon A6 are X86 compatible microprocessors.
- The two main parts of a microprocessor include the ALU and the control unit.
- Because RAM is volatile, it cannot retain data in a device that is turned off.
- The instructions for loading the operating system into RAM when a device is first turned on are stored in ROM. (Hint: Use the acronym.)
Unit 2, Section D: Storage Quick Quiz
- A magnetic storage device uses a read-write head to magnetize particles that represent data.
- A hard disk drive that is rated at a speed of 7200 RPM will provide faster access to your data than a drive rated at 5400. (Hint: Use the acronym.)
- CD-R technology allows you to write data on a disc and then change that data. True or false?FALSE
- A(n) SSD uses the same storage technology as a USB flash drive but is not designed to be removable. (Hint: Use the acronym.)
- A disk IMAGE is a bit-for-bit copy of the contents of a hard disk, created as a backup in case of a hard drive failure.
Unit 2, Section E: Input and Output Quick Quiz
- The expansion bus carries data from an external device to RAM.
- Bluetooth is a slow wireless technology used to connect devices within a radius of about 30 feet.
- A(n) GPU handles image data, freeing the CPU for other processing tasks. (Hint: Use the acronym.)
- The two most common technologies used for touchscreen displays are resistive and capacitive.
- The most commonly used general-purpose technology for connecting gadgets to laptop and desktop computers is a(n) USB
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