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BTM 200 Final Exam Questions and Answers

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BTM 200 Final Exam Questions and Answers What is a circuit? - ANSWER-a closed path that electric current follows What is a transistor? - ANSWER-A tiny electrically operated switch, or gate, that can alternate between on and off many millions of times per second What is an intergrated circuit? ...

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BTM 200 Final Exam Questions and

Answers

What is a circuit? - ANSWER✔✔-a closed path that electric current follows

What is a transistor? - ANSWER✔✔-A tiny electrically operated switch, or gate, that can alternate

between on and off many millions of times per second

What is an intergrated circuit? - ANSWER✔✔-An entire electronic circuit, including wires, formed on a

single chip or piece, of special material, usually silicon

Transistor today are part of an what? - ANSWER✔✔-An Inter grades circuit.

What occurs in a solid' state device? - ANSWER✔✔-Electrons travel through solid material with no

moving parts

Silicon is because it is___ - ANSWER✔✔-A semi conductor (also its cheap)

What is CHIP?(microchip) - ANSWER✔✔-Tiny piece of silicon that contains millions of micro miniature

etched intergrated electronic circuits.

What is a microprocessor? - ANSWER✔✔-A miniaturized circuitry of a computer processor, (the CPU.)

What does a CPU do? - ANSWER✔✔-Manipulates data into info.

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What are microprocessors called when modified for use in machines other than computers? -

ANSWER✔✔-Microcontrollers or embedded computers

What is the system unit also called? - ANSWER✔✔-The Chassis

What is system unit? - ANSWER✔✔-A metal or plastic case housing a computers electronic components

used to process data.

For laptops keyboards and mouses on keyboard are part of the what? - ANSWER✔✔-System unit.

What is a slate tablet? - ANSWER✔✔-Tablet that lacks hardware keyboard, and the display screen

overlays the system unit.

What is a convertible tablet? - ANSWER✔✔-Has a display that rotates 180 degrees and cannot be folded

to close screen up over hardware.

What numbers are in the binary system? - ANSWER✔✔-0 and 1s

What is a bit? - ANSWER✔✔-each 0 or 1 is called a bit , which is short for "binary

digit.

What is a byte? - ANSWER✔✔-A group of. Bits is called a byte, and a byte represents once character,

digit, or other value. (01000111 represents the letter G)

What is a kilobyte? - ANSWER✔✔-1024 bytes, 1KB=about one half page of text, it was a common unit of

measure for memory or secondary storage capacity on older computers.

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What is a Megabyte, what does it measure? - ANSWER✔✔-1 million bytes, 1MB=768 pages of text.

measures of some secondary-storage devices are expressed in megabytes

What is a Gigabyte? - ANSWER✔✔-1 Billion bytes, 1GB=786432 pages of text. This measure is typical of

the secondary-storage (hard disk,flash disk) capacity and main memory (RAM) of todays

microcomputers.

What is a Terabyte? - ANSWER✔✔-1 Trillion bytes, 1TB=500000000 pages of text. (

What is a Petabyte? - ANSWER✔✔-1 quadrillion bytes. 2PB=content s of all US academic Rea search

libraries.

What is a Exabyte? - ANSWER✔✔-1 quintillion bytes. Googles server obtains 1 EB of Data

What is ASII? - ANSWER✔✔-The binary code most widely used on microcomputers in English and

Western European languages )uses 8 bytes for each character) Not enough to Andre Chinese and

Japanese

What is Unicode? - ANSWER✔✔-Uses 2 bytes for each character rather than 1 bytes. It allows almost all

written languages of the world to be represented using a single character set.

What is EBCDIC? - ANSWER✔✔-A binary code used with large IBM and IBM-compatible computers, such

as mainframes. Uses 1 byte for each character.

What is machine language? - ANSWER✔✔-A binary type of programming language built into the

processor (CPU) that the computer can run directly

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How do people comprehensible program instructions become computer comprehensible machine

language? - ANSWER✔✔-Special programs called language translators rapidly convert the instructions

into machine language.

What is a bay? - ANSWER✔✔-A shelf or an opening used for the installation off electronic equipment,

generally storage devices such as a hard drive or DVD drive. Empty bays are covered by a panel.

What is a tower? - ANSWER✔✔-A cabinet that is tall, narrow and deep, so that it can sit on the floor

beside or under a table rather than short wide and deep.

What is the power supply? - ANSWER✔✔-A device that converts AC to DC top run the computer.

What deos a power supply need to keep it from getting too hot? - ANSWER✔✔-A fan.

What are the 3 principal types of power protection devices? - ANSWER✔✔-Surge protectors, voltage

regulators and UPS units.

What is a surge protector? - ANSWER✔✔-Protects computer form being damaged by surges (spikes) of

high voltage. The computer is plugged into the surge protector which in turn is plugged into a standard

electric outlet

What is a UPS? - ANSWER✔✔-Battery operated device that provides a computer with electricity if there

is a power failure. Can keep computer going for 5-30mins or more. It goes into operation as soon as the

power to your computer fails. Usually Aesop operate voltage regulators.

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