Module 3: Computer Hardware & Storage

CPU clock speeds of a personal computer range between ________.

2-4 gigahertz

What will use approximately 1 gigabyte of data?

20 Music CDs

DVDs provide approximately _____.

4.5 GB of data storage space

What is the minimum amount of RAM you should have on a laptop?

4GB

How much storage does a Blue-Ray Disk hold?

50 GB

How much storage does a CD hold?

700 MB

There are many protocols that are used to help streamline the communication of all digital devices. For example, Wi-Fi uses the _____ protocol.

802.11m Protocol

Which of the following two are characteristics of a Blu-ray disc?

A plastic disc with a reflective coating. Pits and lands that are read by a blue spectrum laser beam.

What uses approximately 1 byte of data?

A single letter

Which of these audio compression formats is used by Apple music?

Advanced Audio Coating (AAC)

Devices that integrate the computer case (chassis) and system components into the monitor, but have an external keyboard and mouse are called ___ computers

All-In-One Computers

Judy wants to purchase a Blu-ray disc that can be recorded on multiple times. She should choose discs that are labeled _____.`

BD-RE

Data flows between different parts of the computer via _____ .

Buses

Another name for a computer's processor is the:

CPU

Which computer component found on the motherboard (magnified in the image) is often called the brains of the computer?

CPU

A digital device that accepts input, processes and stores the input, and provides output is a ____.

Computer

Describe the following optical disc terms: DVD-ROM CD-R DVD-RW

DVD-ROM: A disk that CAN'T be burned CD-R: A disk that can be burned ONCE DVD-RW: A disc that can be burned MULTIPLE times

Which two of the following statements are correct regarding a byte? Each number, special character, and letter of the alphabet is represented as a byte Equal to 8 bits A bit is larger than a byte A 0 is "off" and a 1 is "on"

Each number, special character, and letter of the alphabet is represented as a byte Equal to 8 bits

Solid state drives store data using ________.

Electronic Circuits

A computer that is integrated (is a part of) with a larger device, such as a programmable thermostat, is called a(n) __ computer. It has a real-time operating system (RTOS).

Embedded Computer

Small computers that are a component of other devices are called ___ computers.

Embedded Computers

Sold in categories such as CAT5e (enhanced) or CAT6, or CAT7 cable is commonly used for connecting devices in a network. These are commonly called _______________

Ethernet Cables

Which of the following are commonly used names for universal serial bus (USB) drives?

Flash Drives Thumb Drives

The amount of space a device takes up on a desk or table is referred to as its _____.

Footprint

The output of visual images created by a computer is known as ____.

Graphics

The correct abbreviation for megahertz is:

MHz

An organization that needs to process thousands of simultaneous transactions probably has a ___ computer

Mainframe Computer

While not designed to solve complex technical formulas, a computer that is more powerful than a server computer, and used by organizations to process large numbers of transactions simultaneously is called a ______________

Mainframe Computer

What holds data and programs being used by the processor?

Memory (EX: RAM)

An electronic element that stores data by changing its resistance based on the current that has passed through it (similar to RRAM) is called a ___.

Memristor

________ runs the processor faster than recommended by the manufacturer. This can increase performance and speed, but will also void the manufacturer warranty.

Overclocking

IP, FTP, HTTP, and HTTPS are all acronyms that describe different _________

Protocol

Programs and data currently being used by the processor are placed in the ___.

RAM

What does RAID stand for?

Redundant Array of Independent Disks

Because it has no physically moving parts, an SSD is extremely durable and energy efficient. SSD stands for

Solid State Drive

Which of the following two are the characteristics of computer storage? Sometimes referred to as secondary storage Sometimes referred to as volatile memory Connects the CPU to the memory Retains data when power is turned off

Sometimes referred to as secondary storage Retains data when power is turned off

A hardware component that keeps data and information when the device is not powered is called a ____ device.

Storage

Devices allowing the retention of data, when your computer has been shut down, for future use are called __.

Storage

What are the differences between storage devices and storage media?

Storage Device: Blue-ray player, Optical drive, External hard drive Storage Media: Blu-ray disk, DVD, CD

Digital music devices are connected to computers using ________ ports.

USB

This type of connector is the most common type of connection to a computer for peripherals (printers, monitors, storage devices, etc.).

USB

A type of interface that enables communication between digital devices, allows data transfer, and for devices to be electrically charged is called ________________ (USB)

Universal Serial Bus

Which of the following three are characteristics of a Blu-ray disc?

Uses pits and lands to store data A blue spectrum laser reads its pits and lands Holds approximately 50 GB of data

What are common types of servers?

Web Server Network Server File Server

DVDs store data using _____.

a reflective coating that has pits and lands.

A bus is a channel over which information flows. A bus has two parts: the ________ and the ________?

address bus and data bus

The three factors that impact a processor's speed are clock speed, word size, and ___ .

bus width

Including RAM, modern processors keep frequent and temporary accessed data in ________.

cache

Memory and _________ hold data used by processors.

cache

Some new laptops come with an L3 __ with a capacity of up to 8 MB.

cache

E-mailing yourself a document so that it is available online is an example of using

cloud storage

The data amount defining each color in a pixel is ________.

color depth

Solid-state drives store data using _____.

electronic circuits

A significant advantage of using a solid-state drive instead of a traditional hard drive is that a solid-state drive uses _____.

electronics with no moving parts

Most popular lossy image compression format is the Joint Photographic __ Group (JPEG, or JPG).

expert

A laptop computer's RAM is measured in _____.

gigabytes

Storage capacity for laptop hard drives is typically described in terabytes or _____.

gigabytes

A unit of frequency representing one cycle per second is

hertz

A refracted laser beam striking a photoreceptor from many different angles allows __ storage technology to retain petabytes of data within 1 cubic inch of space.

holographic

A TV remote usually uses ________ waves.

infrared

A short, plain text e-mail uses about a _____ of data.

kilobyte

A storage device that uses lasers to read CDs, DVDs, or Blu-ray discs is referred to as a(n) _____.

optical drives

A hole or slot in a computer, designed to accept a specific connector, is called a ___.

port

A set of rules for communication between devices that determine how data are transmitted and received is called a ___

protocol

A processor that consists of one control unit and one ALU is called a ________.

single-core processor

Data from the hard drive reaches the CPU ___ than data from the RAM.

slower

Today, many computers use ________, a coding scheme that uses at least 16 bits to represent a character.

unicode

The maximum number of bits per CPU instruction during one machine cycle is ________.

word size

_______________ is the amount of storage you have available to save data and information.

Hard Drive Capacity

Which three of the following are commonly associated with laptop computers? Full operating system Integrated keyboard, monitor, and touchpad Must have an optical drive . Mobile

Full operating system Integrated keyboard, monitor, and touchpad Mobile

The ________ is a separate processor (computer) on your computer that enhances your video.

Graphics Processing Unit (GPU)

The physical parts of a computer, such as the monitor, keyboard, mouse, and system unit are called computer ___ .

Hardware

_____________(HDMI) is a standard interface for audio-video connectivity which allows for the transmission of high-definition audio and video signals.

High Definition Multimedia Interface