IT 317 EXAM 2

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A binary number is often padded with leading ___ to adjust it to the required width

0

The hexadecimal number has 16 symbols and can count from 0 to

15

The hexadecimal number system uses a base

16

Each hexadecimal digit can be quickly converted into ___ binary bits

4

The octal number system uses the base

8

___ is a program which different sets of instructions are applied to different data input values

Algorithm

In a ___ each digit can have only one of two possible values; 0 or 1

Binary Number

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

Blade

Binary numbers are well suited for computer processing because they correspond directly with values in ___ logic

Boolean

A ___ is a group of similar or identical computers, connected by a high-speed network that cooperate to provide services or run a single application

Cluster

The first commercially available quantum computer was built by

D-Wave

Repetitive mathematical calculations

Early mechanical computation devices were built to perform ___

In a bit string the LSB holds the position of the leftmost bit

F

The carry in one's complement calculation is ignored

False, It is used and it is added back to the equation

There are 8 bytes to every bit

False, there are 8 bits to every byte

Complete a decimal to binary conversion, you divide the number by 10

False, you divide the base of the number you are trying to

____ are typically implemented by installing software on each machine that accepts tasks from a central server and performs them when not busy doing other work.

Grids

LSB stands for

Least Significant Bit

Quantum physics describes subatomic behavior with __

Mathematical Rules

___ Signals can carry more data than electrical signals

Optical

___ physics describe the behavior of matter at a subatomic level

Quantum

Any matter that stores data in multiple simultaneous quantum states called

Qubit

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

RAM

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

Secondary Storage

____ is targeted to general-purpose tasks that support many application programs and users.

System software

Each octal digit can be directly mapped into three binary digits

True

To convert a binary number into one's compliment; invert all zero's to ones and all the one's to zero's, the resulting pattern with give you the original number with the opposite sign

True

There is one significant problem with one's complement

Two representations of zero and zero cannot be negative

A specific shared resources within the World Wide Web is identified by a(n) ____.

URL

If the MSB is a 1 in a signed binary number, the number is considered to be

a negative number

A(n) ____ is a stored set of instructions for responding to a specific request, much as you might look up a recipe to prepare a particular dish.

application program

In a modern digital computer data is represented by groups of ___

bits

A ____ is a set of computing resources with front-end interfaces and back-end resources.

cloud

A simple definition of a computer is a device that can accept numeric inputs, perform computational functions and

communicate results

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

computer network

The decimal numbering system the period or comma is called

decimal point

Optical light pulses can be stored indirectly such as

on the surface of a DVD

A ____ is a computer system designed to meet a single user's information-processing needs.

personal computer

Storage devices that hold currently executing programs called

primary storage

A ___ can contain both whole and fractional components

real number

The CPU contains a few internal locations called ___ each capable of holding a single instruction or data item

registers

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

server

A ____ is designed for one purpose—computational speed with large problems.

supercomputer


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