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Science
Engineering
Electrical Engineering
ISBB Chapter 2 - Hardware
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Terms in this set (22)
Binary
A number expressed in the binary numeral system, representing values using 0's and 1's.
Bit
The smallest unit of data in a computer represented by one or zero
Bluetooth
A wireless technology standard for exchanging data over short distances from fixed and mobile devices, and building personal area networks.
Bus
The electrical connection between different computer components that is an important determiner of the computer's speed.
Byte
A unit of data that computers use to represent a character such as a letter, number, or typographic symbol with a group of eight bits.
Central Processing Unit (CPU):
The "brains" of the device, carries out the commands sent to it by the software and returns results to be acted upon.
Digital Devices
Is an electronic device which uses discrete, numerable data and processes for all its operations.
Electronic Waste
Used electronics which are destined for reuse, resale, salvage, recycling or disposal.
Hard Disk
Where data is stored when the computer is turned off and where it is retrieved from when the computer is turned on.
Hertz
A measure of computer processing speed.
Input Devices
Peripheral hardware used to provide data and control signals to a computer. Examples of input devices include keyboards, mice, scanners, digital cameras and joysticks.
Integrated Computing
Integration of computing technology into everyday products to enhancing its capabilities.
Memory
Specifically Computer Memory. Any physical device capable of storing information temporarily or permanently.
Moore's Law
The observation that over the history of computing hardware, the number of transistors in a dense integrated circuit has doubled approximately every two years.
Motherboard
The main circuit board on the computer that connect to the CPU, memory, and storage components, among other things.
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Verified questions
ENGINEERING
Consider the point P(-2, 5, 4). (a) If lines are drawn from P perpendicular to the coordinate planes, what are the coordinates of the point at the base of each perpendicular? (b) If a line is drawn from P to the plane $z=-2$, what are the coordinates of the point at the base of the perpendicular? (c) Find the point in the plane x=3 that is closest to P.
ENGINEERING
Can the entropy of an ideal gas change during an isothermal process?
ENGINEERING
On February 1, the Miro Company needs to purchase some office equipment. The company is short of cash and expects to be short for several months. The treasurer has said that he could pay for the equipment as follows. $$ \begin{matrix} \text{Date} & \text{Payment}\\ \text{April. 1} & \text{\$150}\\ \text{June. 1} & \text{300}\\ \text{Aug. 1} & \text{450}\\ \text{Oct. 1} & \text{600}\\ \text{Dec. 1} & \text{750}\\ \end{matrix} $$ A local office supply firm will agree to sell the equipment to Miro now and accept payment according to the treasurer's schedule. If interest will be charged at 3% every 2 months, with compounding once every 2 months, how much office equipment can the Miro Company buy now? What is the effective interest rate?
ENGINEERING
Suppose you are assigned the task of determining the route of a new highway through an older section of town. The highway will require that many older homes be either relocated or torn down. Two possible criteria that might be used in deciding exactly where to locate the highway are: (a) Ensure that there are benefits to those who gain from the decision and that no one is harmed by the decision. (b) Ensure that the benefits to those who gain from the decision are greater than the losses of those who are harmed by the decision. Which criterion will you select to use in determining the route of the highway? Explain
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