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BTM 200 Final Exam UPDATED ACTUAL Questions and CORRECT Answers

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

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BTM 200 Final Exam UPDATED ACTUAL
Questions and CORRECT Answers
What is a circuit? - CORRECT ANSWER- ✔✔a closed path that electric current follows

What is a transistor? - CORRECT 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? - CORRECT 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? - CORRECT ANSWER- ✔✔An Inter grades circuit.

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

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

What is CHIP?(microchip) - CORRECT ANSWER- ✔✔Tiny piece of silicon that contains
millions of micro miniature etched intergrated electronic circuits.

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

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

What are microprocessors called when modified for use in machines other than computers? -
CORRECT ANSWER- ✔✔Microcontrollers or embedded computers

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

,What is system unit? - CORRECT 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? - CORRECT
ANSWER- ✔✔System unit.

What is a slate tablet? - CORRECT ANSWER- ✔✔Tablet that lacks hardware keyboard, and
the display screen overlays the system unit.

What is a convertible tablet? - CORRECT 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? - CORRECT ANSWER- ✔✔0 and 1s

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

What is a byte? - CORRECT 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? - CORRECT 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.

What is a Megabyte, what does it measure? - CORRECT ANSWER- ✔✔1 million bytes,
1MB=768 pages of text. measures of some secondary-storage devices are expressed in
megabytes

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

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

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

What is ASII? - CORRECT 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? - CORRECT 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? - CORRECT 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? - CORRECT ANSWER- ✔✔A binary type of programming
language built into the processor (CPU) that the computer can run directly

How do people comprehensible program instructions become computer comprehensible
machine language? - CORRECT ANSWER- ✔✔Special programs called language translators
rapidly convert the instructions into machine language.

What is a bay? - CORRECT 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? - CORRECT 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? - CORRECT 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? - CORRECT ANSWER-
✔✔A fan.

What are the 3 principal types of power protection devices? - CORRECT ANSWER-
✔✔Surge protectors, voltage regulators and UPS units.

What is a surge protector? - CORRECT 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? - CORRECT 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.

What is a voltage regulator? - CORRECT ANSWER- ✔✔Protects computer form being
damaged by insufficient power, bronowouts or sags in voltage.

What are brownouts? - CORRECT ANSWER- ✔✔Occur on hot days

UPS also acts as what? - CORRECT ANSWER- ✔✔Surge protcetors.

Moth3erborad, also called system board is the what? - CORRECT ANSWER- ✔✔The main
circuit board in the system unit. Consists of a flat board that fulls one side of the case.
Contains both soldered, nonremovable components and sockets for slots for components that
can be removed like microprocessor chip, RAM chips etc.

What is Expansion? - CORRECT ANSWER- ✔✔A way of increasing a computers
capabilities by adding hardware to perform tasks that are beyond the scope of the basic
system.

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