Online Study Guide


This activity contains 21 questions.

	Point-of-sales terminals are used primarily by:   customers. e-commerce users. retail employees. factory workers.

	Nano is a prefix that stands for a:   thousandth. billionth. millionth. trillionth.

	VeriChip is a:   smart card technology. biomedical computing device. a subdermal RFID microchip implant molecular computing device.

	A gigabyte is:   a measure of computing speed. bigger than a terabyte. smaller than a kilobyte. a typical unit for measuring disk capacity.

	A motherboard is a:   central chip that processes instructions. case containing all internal system components. permanent storage device. circuit board containing the CPU and RAM.

	Which of the following is an output device?   Monitor Keyboard CPU Hard disk

	An operating system is an example of:   a program that controls the way in which your computer system functions. the particular combination of chips and system control software that characterizes a PC. a metal or plastic case that surrounds all operating devices. a location where instructions and data are stored before they begin operating.

	A server is a:   large computer used for processing transactions in large businesses for hundreds or thousands of users. PC whose purpose is to serve the needs of a single user. computer that contains shared resources for a network. super-fast computer used in scientific computing.

	A CPU is:   the central peripheral unit. a popular brand of desktop computers. the "brains" of the computer. a storage device.

	The word "bit" stands for:   Byte Independent uniT. Binary digIT. BInary componenT. Binary Interchange Terminator.

	The common term meaning a group of eight bits is:   octabit. cluster. byte. word.

	The acronym RAM stands for:   Realtime Access Memory. Random Access Memory. Registered Application Module. Remote Access Machine.

	The type of software a user needs to carry out tasks is called:   GUI software. system software. user needs software. application software.

	High tech crime fighting is called:   hack detection. computer forensics. digital investigation. cyber policing.

	Temperature controls, lights, and security devices that contain chips for controlling their operations are called:   smart devices. nano-computers. artificial intelligences. computerized appliances.

	According to the U.S. Department of Labor, over 50% of American workers used computers on the job in 2001.    True  False

	Data mining is an approach to compressing data so that more of it can fit on a disk.    True  False

	A computer's prime function is to transform information into data.    True  False

	Artificial intelligence has given computers the ability to think like humans.    True  False

	Hackers pose a threat to your computer.    True  False

	Match the following terms with their correct descriptions. Using the pull-down menus, match each item in the left column to the corresponding item in the right column. making tiny computers ability to work with computers and understanding computers' place in society the operating system and CPU together language understood by a computer attempts to make computers "think" 21.1 AI A B C D E 21.2 computer fluency A B C D E 21.3 binary A B C D E 21.4 platform A B C D E 21.5 nanotechnology A B C D E

Answer choices in this exercise appear in a different order each time the page is loaded.

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