Business Hardware Chapter 4

Question 1

Hardware

Answer 1

physical components of computers and related electronic devices

Question 2

CPU

Answer 2

Accepts decodes and execute instructions

Question 3

Internal memory

Answer 3

Stores data and instructions just before and after cpu process them

Question 4

Motherboard

Answer 4

A circuit board containing the cpu and primary memory

Question 5

Bit

Answer 5

Binary digit 0 or 1

Question 6

Byte

Answer 6

A combination of eight bits (binary code)

Question 7

What is a Supercomputer?

Answer 7

Most powerful computer at any given time

Question 8

What is Parallel processing?

Answer 8

Multiple processors running simultaneously

Question 9

What is the purpose of Mainframe computers ?

Answer 9

Store large amount of data and business transactions

Question 10

Technology convergence

Answer 10

Building several technologies into a single piece of hardware

Question 11

What are the five components of every computer?

Answer 11

• input
• output
• Cpu
• internal memory
• storage

Question 12

What do output devices do?

Answer 12

Output devices deliver information from the computer to the user

Question 13

What is a workstation?

Answer 13

A Powerful pc is called a workstation.

Question 14

What are the purpose of workstations?

Answer 14

Workstation are used commonly for the design and manufacturing

Question 15

Input devices

Answer 15

Receive signals from outside of computer and transfer them into the computer.

Question 16

Multicore processors

Answer 16

processors that combine two or more CPUs or “cores” on a single chip

Question 17

Multithreading

Answer 17

processing more than one program, or several parts of a program, at the same time

Question 18

Machine cycle

Answer 18

Is four operations performed by the CPU such as : Fetch, decode, execute and store

Question 19

CPU clock

Answer 19

special circuitry on the processor that synchronizes all tasks

Question 20

Clock rate

Answer 20

number of pulses per second

A machine cycle takes several clock pulses

Question 21

What is the alu?

Answer 21

the part of the CPU that performs arithmetic and logical operations

Question 22

Define data word

Answer 22

maximum number of bits that the control unit can fetch from primary memory in a single machine cycle

Question 23

Bus

Answer 23

electronic lines or traces used for communication inside computer

Question 24

Throughput

Answer 24

number of bits per second that the bus can accommodate

Question 25

MIPS

Answer 25

(millions of instructions per second): a common measure of computer speed

Question 26

What is ergonomics?

Answer 26

the study of the comfort and safety of humans in the workplace

Question 27

What is OCR ?

Answer 27

Optical character recognition (OCR) which is when devices try to interpret handwritten and printed text

Question 28

Radio-frequency identification (RFID):

Answer 28

fastest growing source data technology

Question 29

What is the upc?

Answer 29

universal Product Code (UPC)is the bar code on a product in a grocery store

Question 30

What is Magnetic-ink character recognition ?

Answer 30

Magnetic-ink character recognition automates check processing,magnetic strip found on debt cards and packages

Question 31

What is imaging?

Answer 31

Converts documents into images . This can be done via scanning.

Question 32

What is a ivr system?

Answer 32

Interactive voice recognition (IVR) system: employed by many companies for customer service

Question 33

What is a Pixel

Answer 33

small dots that make up the images on a monitor (crt,flat panel and lcd monitors)