Storage devices that hold currently executing programs are called ____

Question 2 options:

	primary storage
	registers
	qubits
	secondary storage

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Question 3 (2 points)

____ cable uses fibers that vary continuously in diameter from center to edge.

Question 3 options:

	coaxial
	twisted-pair cable
	single mode fiber optic
	multimode fiber optic

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Question 4 (2 points)

The ____ is the user interface to the OS.

Question 4 options:

	shell
	GUI
	transaction monitor
	desktop manager

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Question 5 (2 points)

In a single electrical communication channel, a(n) ____ wire carries data and the return wire completes the electrical circuit.

Question 5 options:

	single mode
	path
	signal
	ground

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Question 6 (2 points)

____ is implemented entirely with transistors.

Question 6 options:

	Dynamic RAM
	Static RAM
	Dynamic ROM
	Static ROM

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Question 7 (2 points)

____ is a technique for embedding multiple bit values in a single wave characteristic, such as frequency or amplitude.

Question 7 options:

	Polymorphic coding
	Unilateral coding
	Multilevel coding
	Dynamic coding

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Question 8 (2 points)

A(n) ____ is one instance, or variable, of a class.

Question 8 options:

	structure
	object
	list
	implementation

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Question 9 (1 point)

A ____ consists of hardware, software, and transmission media that enable computer systems to share information, software, and hardware resources.

Question 9 options:

	computer system
	computer network
	computer environment
	computer platform

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Question 10 (1 point)

The rightmost digit in a bit string is the ____.

Question 10 options:

	least significant digit
	most significant digit
	least valuable digit
	most valuable digit

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Question 11 (1 point)

In a modern digital computer, data is represented by groups of ____.

Question 11 options:

	qubits
	photons
	bits
	waves

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Question 12 (2 points)

Most local phone service is based on a channel-sharing strategy called ____.

Question 12 options:

	packet switching
	route switching
	circuit switching
	path switching

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Question 13 (2 points)

____ occurs when the absolute value of a computational result contains too many bits to fit into a fixed-width data format.

Question 13 options:

	Underflow
	Rounding
	Approximation
	Overflow

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Question 14 (2 points)

____ transmission uses a separate transmission line for each bit position.

Question 14 options:

	Serial
	Linear
	Bulk
	Parallel

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Question 15 (2 points)

A single disk sector usually holds ____ or 4096 bytes.

Question 15 options:

	250
	512
	760
	1024

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Question 16 (2 points)

Amplitude modulation is sometimes called ____.

Question 16 options:

	frequency-shift keying
	amplitude-shift keying
	block-shift keying
	break-shift keying

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Question 17 (1 point)

In current computer hardware, main memory is implemented with silicon-based semiconductor devices commonly called ____.

Question 17 options:

	Flash
	PROM
	ROM
	RAM

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Question 18 (1 point)

Storage devices that hold data not needed by currently running programs are called ____

Question 18 options:

	primary storage
	registers
	qubits
	secondary storage

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Question 19 (2 points)

The time needed to move from one track to another is called ____, typically measured in milliseconds.

Question 19 options:

	track-to-track seek time
	random seek time
	average seek time
	relocation seek time

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Question 20 (1 point)

A(n) ____ is a whole numbera value that doesnt have a fractional part.

Question 20 options:

	real number
	imaginary number
	floating point number
	integer

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Question 21 (2 points)

Data is represented in the CPU as ____.

Question 21 options:

	analog electrical signals
	quantum signals
	digital electrical signals
	digital optical signals

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Question 22 (2 points)

In ____ notation, nonnegative integer values are represented as ordinary binary values.

Question 22 options:

	twos complement
	ones complement
	excess
	packed

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Question 23 (2 points)

Noise can be introduced into copper, aluminum, and other wire types by ____.

Question 23 options:

	spectral interference
	hyperspectral interference
	electromagnetic interference
	optical interference

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Question 24 (1 point)

The CPU contains a few internal storage locations called ____, each capable of holding a single instruction or data item.

Question 24 options:

	the ALU
	registers
	shifters
	the compiler

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Question 25 (2 points)

____ is noise added to the signal in the wire from EMI generated by adjacent wires.

Question 25 options:

	Interference
	Crosstalk
	Crosswalk
	Coupling

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Question 26 (1 point)

The Institute for Electrical and Electronics Engineers (IEEE) ____ is a subgroup of the IEEE that specializes in computer and data communication technologies.

Question 26 options:

	Control Systems Society
	Education Society
	Computer Society
	Communications Society

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Question 27 (2 points)

A ____ consists of all tracks at an equivalent distance from the edge or spindle on all platter surfaces.

Question 27 options:

	cylinder
	sector
	block
	cluster

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Question 28 (2 points)

A ____ device isnt restricted to any specific order when accessing data.

Question 28 options:

	random access
	serial access
	dynamic access
	linear access

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Question 29 (2 points)

____ is the number of cycles occurring in one second and is measured in hertz (Hz).

Question 29 options:

	Wavelength
	Amplitude
	Period
	Frequency

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Question 30 (2 points)

____ is a character-coding method developed by IBM in the 1960s and used in all IBM mainframes well into the 2000s.

Question 30 options:

	ANSI
	UNICODE
	EBCDIC
	ASCII

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Question 31 (2 points)

____ is the sum of average access delay and the time required to read a single sector.

Question 31 options:

	Average access time
	Rotational latency
	Track-to-track seek time
	Synchronization delay

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Question 32 (2 points)

A storage device or medium is ____ if it holds data without loss over long periods.

Question 32 options:

	volatile
	dynamic
	nonvolatile
	archival

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Question 33 (1 point)

____ signals can carry more data than electrical signals.

Question 33 options:

	Mechanical
	Digital
	Optical
	Quantum

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Question 34 (1 point)

The multiplier that describes the difference between one position and the next is the ____ of the numbering system.

Question 34 options:

	Base
	Mantissa
	power
	exponent

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Question 35 (2 points)

____ represents bit values as specific wave amplitudes.

Question 35 options:

	Frequency modulation
	Polar modulation
	Amplitude modulation
	Phase modulation

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Question 36 (2 points)

Access times for secondary storage devices are typically expressed in ____ or microseconds.

Question 36 options:

	milliseconds
	exoseconds
	nanoseconds
	picoseconds

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Question 37 (2 points)

Real numbers are represented in computers by using ____.

Question 37 options:

	integer notation
	floating-point notation
	packed values notation
	complementary notation

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Question 38 (2 points)

The ____ data type has only two data valuestrue and false.

Question 38 options:

	Boolean
	integer
	floating point
	character

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Question 39 (1 point)

The accuracy, or precision, of data format representation increases with ____.

Question 39 options:

	the size of the data word
	the sign of the data format
	the number of data bits used
	the position of the radix

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Question 40 (1 point)

Hexadecimal numbering uses ____ as its base or radix.

Question 40 options:

	2
	8
	10
	16

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Question 41 (2 points)

The term ____ describes transmissions using frequencies between 50 Hz and 1 terahertz (THz).

Question 41 options:

	radio frequency
	transmission frequency
	electromagnetic frequency
	broad frequency

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Question 42 (2 points)

The most common wired transmission media for LANs is ____ cable.

Question 42 options:

	coaxial
	twisted-pair cable
	single mode fiber optic
	multimode fiber optic

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Question 43 (2 points)

Modern computers use memory implemented with ____.

Question 43 options:

	vacuum tubes
	resistors
	quasiconductors
	Semiconductors

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Question 44 (2 points)

Programs usually access instructions and data items ____.

Question 44 options:

	randomly
	dynamically
	repeatedly
	sequentially

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Question 45 (1 point)

When developing an information system, IS professionals follow a series of steps called a ____.

Question 45 options:

	project life cycle
	systems development life cycle
	project development life cycle
	service development life cycle

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Question 46 (2 points)

____ occurs when the absolute value of a negative exponent is too large to fit in the bits allocated to store it.

Question 46 options:

	Rounding
	Rotation
	Overflow
	Underflow

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Question 47 (2 points)

Long-distance telecommunication providers use FDM to multiplex single-mode optical fibers, an application commonly called ____.

Question 47 options:

	code-division multiplexing
	wavelength-division multiplexing
	space-division multiplexing
	time-division multiplexing

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Question 48 (2 points)

Most CPUs provide a(n) ____ data type, which stores positive integer values as ordinary binary numbers.

Question 48 options:

	signed integer
	signed real
	unsigned integer
	unsigned real

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Question 49 (2 points)

A(n) ____ is a data structure containing both traditional (static) data elements and programs that manipulate the data.

Question 49 options:

	Array
	Stack
	object
	class

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Question 50 (2 points)

The programs in a class are called ____.

Question 50 options:

	properties
	attributes
	methods
	children

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Question 51 (1 point)

Optical light pulses can be stored indirectly, such as ____.

Question 51 options:

	on the surface of a DVD
	on the surface of a magnetic disk
	in the blocks of flash memory
	the groves of a record

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Question 52 (1 point)

Quantum physics describes subatomic behavior with ____.

Question 52 options:

	physical rules
	mathematical rules
	physical laws
	a combination of physical rules and mathematical laws

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Question 53 (1 point)

The term ____ can describe computers as small as midrange computers and as large as supercomputers.

Question 53 options:

	mainframe
	client
	server
	grid

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Question 54 (2 points)

Asynchronous transmission adds one or more ____ bits to the beginning of each message.

Question 54 options:

	stop
	end
	parity
	start

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Question 55 (2 points)

A ____ data format combines two adjacent fixed-length data items to hold a single value.

Question 55 options:

	single-precision
	standard-precision
	scientific
	double-precision

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Question 56 (2 points)

With ____ parity, the sender sets the parity bit to 0 if the count of 1-valued data bits in the character is odd.

Question 56 options:

	even
	odd
	block
	check

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Question 57 (1 point)

A ____ is a circuit board that contains most of a server.

Question 57 options:

	grid
	cloud
	cluster
	blade

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Question 58 (1 point)

In the decimal or binary notations, the symbol used to represent a digit and the digits position in a string determines its ____.

Question 58 options:

	sign
	placement
	base
	value

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Question 59 (2 points)

Current SSDs use ____ as the storage medium.

Question 59 options:

	SDRAM
	flash RAM
	EEPROMs
	PGAs

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Question 60 (2 points)

Multiple hard drives can be enclosed in a single storage cabinet; this arrangement is referred to as a ____.

Question 60 options:

	drive cluster
	drive tray
	drive unit
	drive array