CGS Midterm

CPU clock speeds of a personal computer range between ________. 1 to 2 gigahertz 32 to 42.5 gigahertz 2 to 4 gigahertz 1 to 3 megahertz

2-4

The boot process consists of how many steps. 4 2 3 5

4

What is the minimum amount of RAM you should have on a laptop? 8 4 2 16

4

Bus width is the amount of data that can be transmitted at a given time. A 64-bit bus can transmit ________ bits of data. 8 64 16 48

64

How many bits equal a byte? 6 8 4 2

8

Some computers use ________ to represent characters in a binary format. Unicode Microsoft Windows binary digit ASCII

ASCII

Smartphone cameras work by focusing incoming light onto what type of array that captures images? Pixel scanner Active pixel scanner Sonar Digital scanner

Active pixel scanner

Combining a desktop's power with a clean look, ________ computers are popular with companies. However, their inability to expand makes them less popular with serious gamers. smartphone tablet server all-in-one

All in one

Choose what all-in-one computers actually means All-in-one computers house every component except the keyboard and mouse inside the same case as the monitor.All-in-one computers house every component except the keyboard and mouse inside the same case as the monitor. I All-in-one computers are designed to be highly mobile so that they can be used by people on the go.All-in-one computers are designed to be highly mobile so that they can be used by people on the go. All-in-one computers are hinged computers.All-in-one computers are hinged computers. An all-in-one computer is a stationary device with a separate keyboard and mouse.

All-in-one computers are designed to be highly mobile so that they can be used by people on the go.All-in-one computers are designed to be highly mobile so that they can be used by people on the go. All-in-one computers are hinged computers.All-in-one computers are hinged computers. An all-in-one computer is a stationary device with a separate keyboard and mouse.

Lightning ports and connectors were developed for ________ devices.

Apple

The two main components of a processor are the control and the ________. intelligence router RAM Arithmetic Logic Unit (ALU)

Arithmetic Logic Unit (ALU)

Select the input devices often found at a point-of-sale station. Bar code or UPC reader Keypad UPC scanning wand Receipt printer

Bar code or UPC reader Keypad UPC scanning wand

Since its radio waves pass through walls or desktops, ________-capable devices are very popular. infrared microwave Bluetooth fiber opticx

Bluetooth

Including RAM, modern processors keep frequent and temporary accessed data in ________. cache flash drive hard drive DVD

Cache

Most touch pads use ________ to sense when a finger has moved across the pad. capacitance lasers heat pressure

Capacitance

Clock speed, also known as ________, is the speed at which the processor performs the operations required to run a digital device and the digital device's instructions. bandwidth ping speed clock rate bus speed

Clock rate

A multi-core processor has two or more ________; and is capable of ________. cores ALU's hyperthreading instructions

Cores, Hyperthreading

Which of the following could have a traditional (magnetic) hard drive? amsung Galaxy S6 Apple iPad Apple iPhone 6 Dell desktop computer

Dell desktop

Which are true regarding a display's refresh rate? Describes how fast each pixel in a display is updated The higher the refresh rate, the smoother the video.T Videos play best with refresh rates at even multiples of the frame rate. Describes the number of times per second a frame is advanced in a video

Describes how fast each pixel in a display is updated The higher the refresh rate, the smoother the video.T Videos play best with refresh rates at even multiples of the frame rate.

Which are true regarding a screen's resolution? Equals the number of pixels in a display Measures image quality Described as distance between two pixels Equals the diagonal length of the screen

Equals the number of pixels in a display Measures image qualitySelect the features common in DSLR (Digital Single-Lens Reflex) cameras.

The ________ computer creates images on your computer. LU GPU CPU RAM

GPU

The ________ is a separate processor (computer) on your computer that enhances your video. Graphic processor (GPU) Arithmetic Logic Unit (ALU) Central Processing Unit (CPU) multi-core processor

GPU

ank the following from fastest to slowest. The fastest should be on top. gigahertz kilohertz megahertz hertz

Gigahertiz, mehahertz, kilohertz, hertz

A TV remote usually uses ________ waves. fiber-optic Bluetooth microwave Infrared (IR)

Infared

Which chip and manufacturing company is the largest in the world? AMD Nvidia IntelCorrect Microsoft

Intel

Who are the three biggest computer processor manufacturers? IntelIntel AMDAMD NvidiaNvidia Microsoft

IntelIntel Correct AMDAMD Correct NvidiaNvidia Correct

The processor directly houses the ________ cache. L1 petty disk L3

L1

Megahertz abbreviation is ________ MB mez mb MHz

MHz

Digital music devices are connected to computers using ________ ports. USB MIDI Bluetooth HDMI

MIDI

This technology allows musicians to create written sheet music simply by playing an instrument. MIDI HDMI USB CMOS

MIDI

The actual pixel number in a monitor is called the ________ resolution. actual native pixel content

Native

Select the features common in DSLR (Digital Single-Lens Reflex) cameras. Often allow for interchangeable lenses Usually have a mirror that allows the photographer to look directly through the lens Rarely include optical zoom Are less expensive than point-and-shoot cameras

Often allow for interchangeable lenses Usually have a mirror that allows the photographer to look directly through the lens

An input, output or storage device connected to a computer is known as a(an) ________. RAM printer CPU peripheral

Peripheral

Select the current uses for RFID tags. Pet identificationPet identification Package trackingPackage tracking Inventory trackingInventory tracking Musical fidelity

Pet identificationPet identification Package trackingPackage tracking Inventory trackingInventory tracking

The smallest image element is a(n) ________. pixel resolution cache icon

Pixel

Select the characteristics of a plotter. Prints large graphic displays Mechanically moves a pen over a large sheet of paper Uses inexpensive toner rather than ink Paper turns black when heated.

Prints large graphic displays Mechanically moves a pen over a large sheet of paper

System BIOS (Basic Input/Output System) is stored in ________. RAM register ROM L3 cache

ROM

The number of pixels in a display is called the display's ________. resolution refresh rate screen size aspect ratio

Resolution

The number of pixels in an image is called the image's ________. resolution matrix clarity contrast

Resolution

Select the statements that refer to the term "dot pitch." The distance between two adjoining sub-pixels in a display] The closer the spacing (the smaller the dot pitch) the sharper the image The diagonal measurement of the visible displayT The number of bits that describe each pixel in a display

The distance between two adjoining sub-pixels in a display] The closer the spacing (the smaller the dot pitch) the sharper the image

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

USB

Select the three main ways of detecting and recording fingerprints. Ultra sonic—uses sound waves to detect ridges and whorls. Optical—takes a photo of the fingerprint. Capacitance—uses electron movement, similar to a touch screen or touch pad. Microwave—uses microwaves to heat fingertips and detect and measure ridges and whorls.

Ultra sonic—uses sound waves to detect ridges and whorls. Optical—takes a photo of the fingerprint. Capacitance—uses electron movement, similar to a touch screen or touch pad.

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

Unicode

Speech recognition software uses which of the following characteristics? Voice frequency Voice pitch Speech rhythms Linguistics

Voice frequency Voice pitch Speech rhythms

The maximum number of bits per CPU instruction during one machine cycle is ________. pipelining word size access time processing

Word size

A bus is a channel over which information flows. A bus has two parts: the ________ and the ________? address bus; data bus digital bus; processing bus front; bus and system bus data; front side bus

adress bus;data bus

A ________ is the smallest unit of data that a computer can process. pixel byte bit binary

bit

A channel over which information flows inside a digital device is called a ________. hard drive processor bus ram

bus

The two main factors that affect the speed of the processor are clock speed and ________. bandwidth hard drive capacity bus width ping speed

bus width

One ________ represents a letter, symbol, or number (one character) of information. register bit pixel byte

byte

The ________ speed of the processor dictates the number of instructions that CPU can process per second. clock blinding light machine

clock

Which device carries a relatively large footprint and separate system unit? 2-in-1 desktop all-in-one laptop

desktop

The correct way to measure the screen size of a computer monitor is? from top to left from right to left diagonally from one corner to the other from top to bottom

diagonally from one corner to the other

RAM is ________ and has no moving parts. electronic (solid state) optical reflective magnetic

electronic (solid state)

The machine cycle consists of which four steps? etch, decode, execute, and print fetch, decode, execute, and calculate fetch, decode, execute, and storeCorrect decode, calculate, store, and print

fetch, decode, execute, and store

Typical tablet computer or smartphone SSD capabilities are measured in ________. trilobites gigabytes kilobytes megabytes

gigabytes

What is equal to one cycle per second? byte bit megahertz hertz

hertz

Uses for computer hard drives include ________ and ________. keeps files for future usekeeps files for future use data remains intact when computer is turned offdata remains intact when computer is turned off is magnet friendlyis magnet friendly data is easily lostdata is easily lost

keeps files for future usekeeps files for future use Correct data remains intact when computer is turned offdata remains intact when computer is turned off

What are some characteristics of a 2-in-1 computer? full operating systemfull operating system more storage than a traditional laptopmore storage than a traditional laptop touch screen monitortouch screen monitor short battery life

more storage than a traditional laptop short battery life

Common names for a USB drive include? nail drivenail drive thumb drivethumb drive flash driveflash drive jump drive

nail drivenail drive Correct thumb drivethumb drive Correct flash driveflash drive Correct

Choose the SSD characteristics. no moving partsno moving parts extremely fastextremely fast uses magnets to store informationuses magnets to store information Correct uses lasers to read information

no moving parts extremely fast

The information in the memory (the RAM, the caches, the registers) is ________ when a computer is shut down. not saved transferred to the optical drive stored for future use saved temporarily

not saved

A point in a computer (a hole or a slot) that accepts a specific connector is called a ________. connector bay port plug

port

What is the primary purpose of fragmenting your hard drive? slows down your computer boot process empties your computer trash can reduces the time it takes to find files on a hard drive eliminates old files on your computer

reduces the time it takes to find files on a hard drive

A processor that consists of one control unit and one ALU is called a ________. multi-core processor single-core processor dynamic processor AMD processor

single core processor

Choose what all-in-one computers actually mean. stationary devicestationary device have a large monitorhave a large monitor usually touch screen monitorusually touch screen monitor scaled-down operating system

stationary devicestationary device Correct have a large monitorhave a large monitor Correct usually touch screen monitorusually touch screen monitor Correct

The term "native resolution" refers to? the number of squares in a display the number of lines in a display the number of colors in a display the number of pixels in a display

the number of pixels in a display

Choose the two answers that define the term "resolution" in output devices. the number of pixels in the display quality of the image measured by the distance between pixels diagonal distance between the upper right and lower left corners of the screen

the number of pixels in the display quality of the image

Since they are low-priced and reliable, ________ storage devices are extremely popular. thumb drives (USB or flash drives) ROM (Read Only Memory) drives CMOS (Complementary Metal Oxide Semiconductor) drives RAM (Random Access Memory) drives

thumb drives

The maximum number of bits per CPU instruction during one machine cycle is ________. pipelining processing access time word size

word size