CHAPTER 2 COMPUTER HARDWARE

LionheartedPhosphorus avatar
LionheartedPhosphorus
·
·
Download

Start Quiz

Study Flashcards

66 Questions

Which era marked the beginning of widespread commercial use of mainframe computers?

General-Purpose Mainframe and Minicomputer Era

What was the significance of the IBM 360 series introduced in 1965?

It marked the beginning of widespread commercial use of mainframe computers

What type of computer hardware became powerful enough to support thousands of online remote terminals?

Mainframe computers

What launched a spate of personal desktop productivity software tools in the 1980s and early 1990s?

Proliferation of PCs

What type of machines were introduced in 1959 that marked the beginning of widespread commercial use of mainframe computers?

Transistorized machines

In which era did the proliferation of PCs in the 1980s and early 1990s occur?

Personal Computer Era

What era of computing refers to a model that provides access to a shared pool of computing resources over a network, often the Internet?

Cloud and Mobile Computing Era

In client/server computing, what is the user point of entry?

Client

Which type of computer typically processes and stores shared data in client/server computing?

Server

What determined the power of personal computers according to the text?

Speed, capacity, and flexibility

Which type of system unit contains all components including the monitor?

All-in-Ones

What type of device is a handheld computer that extends the capabilities of cell phones?

Tablets

Which era saw firms turning to networking standards and software tools to integrate disparate networks and applications into an enterprise-wide infrastructure?

Enterprise Computing Era

What type of computing refers to a model that provides access to a shared pool of computing resources over a network?

"Cloud Computing Model"

"Ultrabooks" are associated with which type of computer?

"Laptops"

What does the term "server" refer to in client/server computing?

Both the software application and the physical computer

What determines the power of personal computers according to the text?

Speed, capacity, and flexibility

What type of system unit houses most of the electronic components that make up a computer system?

System Chassis

Which type of printers uses a laser light beam to produce images?

Laser printers

What is the primary characteristic of secondary storage?

Media

What causes tablet hunch as mentioned in the text?

Improper alignment of the user's head to the viewing surface

What is the function of drones or unmanned aerial vehicles (UAVs) mentioned in the text?

Receive input from a controller and send back video and sound to the user

What type of storage is volatile, meaning it loses content when the computer loses power?

RAM

What do hard disks use to store files, as mentioned in the text?

Magnetic charges

What causes a head crash on a hard disk, as mentioned in the text?

Contact between the read-write head and particles on the hard disk's surface

Where are internal hard disks located as per the text?

Inside the system unit

Which type of printer is known for being reliable, quiet, and inexpensive?

3

Which wireless technology is used to connect to speakers and headsets as per the text?

Bluetooth Technology

What is the study of human factors related to things people use, mentioned in the text?

Ergonomics

What type of storage permanently saves information for future use, as per the text?

Secondary storage

Which of the following storage devices has no moving parts?

Solid-state drives

What type of light is used to represent data on optical discs?

Reflected light

Which type of cloud storage service provides applications as a service rather than a product?

Cloud Storage Service Companies

What is the main purpose of a Storage Area Network (SAN)?

To link remote computer storage devices

What is the focus of nanotechnology in computer science?

Building materials at the nanometer scale

Which emerging technology is expected to cause a tectonic shift in architectures and software?

Universal Memory

In which device is silicon photonics expected to be a fundamental technology?

Exa-scale supercomputers

What type of memory will be everywhere by 2022, according to the text?

Universal Memory

What is the capacity range of USB Drives mentioned in the text?

<128 GB to 256 GB

'Pits' on optical discs are responsible for determining what when light is reflected?

'1s' and '0s'

What is the main advantage of solid-state drives over hard disks according to the text?

Faster speed and more durability

Which type of storage devices can hold over 128 gigabytes (GB) of data?

Optical Discs

What is the function of input devices?

Translate data into a form that the system unit can process

Which device uses handwriting recognition software?

Stylus

What type of mouse has no moving parts?

Optical mouse

What type of monitors are referred to as screens or display screens and present visual images of text and graphics?

Flat-panel monitors

Which device recognizes special characters and marks like Magnetic-ink character recognition (MICR)?

Character and mark recognition devices

Which type of scanners are used for routing packages by shipping companies?

MaxiCode readers

What type of input devices provide an intuitive interface by accepting pointing gestures and converting them into machine-readable input?

Pointing devices

Which device captures images digitally and stores them in memory?

Digital camera

What type of readers contain photo-electric cells that scan or read bar codes or the zebra striped marks printed on product containers?

Wand readers

What type of voice recognition systems use a microphone, sound card, and special software to operate computers and create documents using voice commands?

Smartphones

What is the function of output devices?

Convert processed data to a form we can understand

What is the main function of the system board or main board in a computer system?

Controlling communication for the entire computer system

Which component is considered the 'brain' of the computer?

Central Processing Unit (CPU)

What does RAM stand for in the context of computer hardware?

Random Access Memory

What is the main function of ROM in a computer system?

Store information provided by the manufacturer that cannot be changed

What is the purpose of flash memory in a computer system?

Combines features of RAM and ROM, providing startup information and BIOS

What is the purpose of expansion slots in a computer system?

Provide a connection point for specialized cards or circuit boards to expand the computer's capabilities

What is the function of bus lines in a computer system?

Provide pathways to support communication among electronic components

What are ports used for in a computer system?

Connect external devices to the system unit for input or output purposes

What is the purpose of standard ports in a computer system?

Connect commonly used devices like keyboards, mice, printers, and storage devices

What is the main function of cables in a computer system?

Connect external devices to the system unit via the ports

What is the primary function of power supply in a computer system?

Converting alternating current (AC) from wall outlets or batteries into direct current (DC) power needed by computers

What is meant by 'digital electronic signals' in a computer system?

Two-state binary signals consisting of only two digits: on (1) and off (0)

What does a byte consist of in a computer system?

8 bits grouped together

Make Your Own Quizzes and Flashcards

Convert your notes into interactive study material.

Get started for free

More Quizzes Like This

Use Quizgecko on...
Browser
Browser