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Chapter 9

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This activity contains 42 questions.

____________ are devices inside a computer that can be flipped between two states: on or off.

BusesElectrical switchesPipelinesElectromechanical switches

Transistors are an improvement over vacuum tubes because transistors:

don't require silicon.are smaller and create less heat.can represent more than two values.generate more heat.

Which of the following is NOT found on an integrated circuit?

MotherboardDiodesCapacitorsTransistors

Which of the following is NOT true about the binary number system?

It includes only two digits.Calculators can NOT convert between base 10 and binary.It is used to represent every piece of data stored in a computer.ASCII and Unicode are used to represent letters and symbols.

Which of the following statements is NOT true about binary numbers?

Base 10 numbers can be converted to binary numbers by multiplying each digit by 2.Binary numbers are used to represent all data stored in a computer.Binary numbers use the base 2 number system.Binary number conversion can be done using a scientific calculator.

The hexadecimal number system:

is used to indicate negative numbers.determines how fractions are displayed.is represented by 32 bits.uses both numbers and letters.

ASCII is a(n):

numbering system for representing numbers with decimals.character representation standard common in older mainframe computers.encoding standard used to represent letters and characters.symbolic programming language that directly represents machine instructions.

Which of the following is NOT true about the CPU?

The data and program instructions the CPU needs are stored in the same area in the computer system.The control unit manages the switches inside the CPU.The CPU can access the data and program instructions stored in RAM more than one million times faster than if they are left on the hard disk drive.The CPU's storage area is not big enough to hold everything it needs to process at the same time.

The CPU is located on the:

universal bus.motherboard.primary transistor.AMD slot.

The step in the CPU machine cycle that moves a program's binary code to the CPU is called:

Execute.Decode.Store.Fetch.

The purpose of cache is to:

hold frequently used instructions and data to speed processing.temporarily hold data as it is about to be sent through the ALU for execution.store data that will be moved from one computer to another.permanently store data that is retained when the computer is turned off.

Which of the following statements about the CPU is FALSE?

The CPU's control unit remembers the proper sequence for the processing stages.The complexity of the CPU design permits unlimited storage space.The machine cycle is a repetitive set of steps performed by the CPU.The CPU's storage area is not big enough to hold everything it needs to process at the same time.

One of the functions of the arithmetic logic unit is to:

convert negative numbers to hexadecimal code.retrieve data from virtual memory.perform mathematical operations.send logical operations, such as AND or NOT, to the alphabetic unit.

Which of the following is TRUE about random access memory?

RAM always has faster access times than the hard disk drive.All RAM is the same.RAM is nonvolatile.The type of memory chips your computer uses is independent of the type and speed of your CPU.

____________ is a type of memory that recharges leaky capacitors so they continue to retain stored data.

PROMCacheDRAMSRAM

Which of the following is NOT a method used to increase CPU performance?

PipeliningIncorporating specialized multimedia instructions into the basic instruction setIncreased ROMDual processing

A(n) ____________ enables sound cards to communicate with the motherboard.

local busexpansion busmodempipeline

The CPU consists of two primary components:

the control unit and the arithmetic logic unit.the control unit and RAM.RAM and the motherboard.the control unit and the motherboard.

Buses that run between the CPU and the main system memory are called:

motherboard buses.local buses.expansion buses.resident buses.

____________ is a technique that allows the CPU to work on more than one instruction at a time, thereby boosting CPU performance.

CachePipeliningHyperthreadingDual-core processing

	A dual-core processor enables multiple applications to execute much more quickly than with traditional CPUs.

	True False

	The Unicode character standard uses 8 bits instead of the 16 bits used in ASCII.

	True False

	All CPUs have the same instruction set.
	All CPUs have the same instruction set.
	True False

	The ALU is responsible for testing the comparison of values.

	True False

	DRAM is only used in locations such as the CPU's cache, where the system demands the fastest possible storage.

	True False

	To be a good candidate for parallel processing, a problem must be one that can be divided into a set of tasks that can be run one at a time.

	True False

	The earliest generation of electronic computers used devices called transistors as switches.

	True False

	ASCII code can represent all languages and symbols.
	ASCII code can represent all languages and symbols.
	True False

	The primary distinction between CPUs is processing power, which is determined by the number of transistors on each CPU.

	True False

	Clock speed indicates how quickly the processor can work.
	Clock speed indicates how quickly the processor can work.
	True False

	The CPU can more quickly retrieve data and instructions from cache than from RAM.

	True False

	SRAM is faster than DRAM.
	SRAM is faster than DRAM.
	True False

	Bus width determines how many bits of data can be sent along a given bus at any one time.

	True False

	The PCI bus design was specialized to help move three-dimensional graphics data quickly.

	True False

	Moore's Law has been remarkably accurate.
	Moore's Law has been remarkably accurate.
	True False

	Despite the added cost of pipelining, all processors on the market today feature some form of pipelined design.

	True False

	There are always four stages in pipeline designs.
	There are always four stages in pipeline designs.
	True False

	Chips with dual-core processing capabilities have two separate parallel processing paths inside them.

	True False

	All DRAM is of the same design.
	All DRAM is of the same design.
	True False

	The control unit of the CPU manages the switches inside the CPU.

	True False

Match the following terms to their correct descriptions:

A matching question presents 6 answer choices and 6 items. The answer choices are lettered A through F. The items are numbered 41.1 through 41.6. Screen readers will read the answer choices first. Then each item will be presented along with a select menu for choosing an answer choice. Using the pull-down menus, match each item in the left column to the corresponding item in the right column.

	expansion bus
	determines how many bits of data can be sent along a given bus at any one time
	commands a specific CPU can execute
	long strings of binary code
	machine cycle synchronizer
	switch

41.1 bus width
41.2 system clock
41.3 Peripheral Component Interconnect (PCI)
41.4 transistor
41.5 machine language
41.6 instruction set

Match the following terms to their correct descriptions:

A matching question presents 6 answer choices and 6 items. The answer choices are lettered A through F. The items are numbered 42.1 through 42.6. Screen readers will read the answer choices first. Then each item will be presented along with a select menu for choosing an answer choice. Using the pull-down menus, match each item in the left column to the corresponding item in the right column.

	special memory storage areas built into the CPU
	any material that can be controlled to either conduct electricity or act as an insulator
	how quickly the processor can work
	holding place for recently or frequently used instructions that the CPU needs the most
	enable computer designers to fit millions of transistors into a very small area
	number of bits a computer can work with at a time

42.1 clock speed
42.2 cache
42.3 registers
42.4 word size
42.5 integrated circuits
42.6 semiconductor

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Online Study Guide

____________ are devices inside a computer that can be flipped between two states: on or off.

Transistors are an improvement over vacuum tubes because transistors:

Which of the following is NOT found on an integrated circuit?

Which of the following is NOT true about the binary number system?

Which of the following statements is NOT true about binary numbers?

The hexadecimal number system:

ASCII is a(n):

Which of the following is NOT true about the CPU?

The CPU is located on the:

The step in the CPU machine cycle that moves a program's binary code to the CPU is called:

The purpose of cache is to:

Which of the following statements about the CPU is FALSE?

One of the functions of the arithmetic logic unit is to:

Which of the following is TRUE about random access memory?

____________ is a type of memory that recharges leaky capacitors so they continue to retain stored data.

Which of the following is NOT a method used to increase CPU performance?

A(n) ____________ enables sound cards to communicate with the motherboard.

The CPU consists of two primary components:

Buses that run between the CPU and the main system memory are called:

____________ is a technique that allows the CPU to work on more than one instruction at a time, thereby boosting CPU performance.

A dual-core processor enables multiple applications to execute much more quickly than with traditional CPUs.

The Unicode character standard uses 8 bits instead of the 16 bits used in ASCII.

All CPUs have the same instruction set.

The ALU is responsible for testing the comparison of values.

DRAM is only used in locations such as the CPU's cache, where the system demands the fastest possible storage.

To be a good candidate for parallel processing, a problem must be one that can be divided into a set of tasks that can be run one at a time.

The earliest generation of electronic computers used devices called transistors as switches.

ASCII code can represent all languages and symbols.

The primary distinction between CPUs is processing power, which is determined by the number of transistors on each CPU.

Clock speed indicates how quickly the processor can work.

The CPU can more quickly retrieve data and instructions from cache than from RAM.

SRAM is faster than DRAM.

Bus width determines how many bits of data can be sent along a given bus at any one time.

The PCI bus design was specialized to help move three-dimensional graphics data quickly.

Moore's Law has been remarkably accurate.

Despite the added cost of pipelining, all processors on the market today feature some form of pipelined design.

There are always four stages in pipeline designs.

Chips with dual-core processing capabilities have two separate parallel processing paths inside them.

All DRAM is of the same design.

The control unit of the CPU manages the switches inside the CPU.

Match the following terms to their correct descriptions:

Match the following terms to their correct descriptions: