Computers part 2

What is the approximate value of a gigabyte?

1,000 megabytes

What is the actual (not approximated) value of a kilobyte?

1,024 bytes

_________ refers to the measurement of patterns or characteristics found in the human body.

Biometrics

Which of the following optical discs can store the MOST data?

Blu-ray

_________ refers to a form of high-speed memory that stores a small, frequently-used set of instructions and data. It is located inside modern CPUs.

Cache

The image quality (or print resolution) for printers is measured in:

DPI

Most of today's PC software and standard definition movies are sold as:

DVDs

_________ printers create output by striking an inked ribbon against paper using metal pins, making them useful for printing on pressure-sensitive forms.

Dot matrix

_________ printers are often used to create lab-quality photos, as well as the images found on plastic ID cards.

Dye-sub

_________ keyboards, which are designed to be comfortable and tailored for the human body, have keys which are angled and a palm rest at the base in order to keep your wrists straight.

Ergonomic

A CPU's clock rate, or speed, is measured in MB or GB.

False

A TV tuner is a device that allows users to control Wi-Fi enabled TVs with their mobile device.

False

Although useful for quick login, fingerprint scanners are too large and expensive to include in the computers and mobile devices used by consumers.

False

For monitors, a higher value for the response time is ideal for the smooth display of fast-moving images, such as those in video games.

False

Keyboard covers for tablets generally plug into the headphone jack in order to communicate with the tablet.

False

Many flatbed scanners now include an expansion cartridge, which is a tray that allows you to scan several sheets of paper automatically.

False

Most of today's devices use resistive touchscreens, which means that they detect the position of your finger by detecting the electrical current present in your body.

False

ROM refers to a faster type of RAM that is installed only on high-end systems or network servers.

False

The communication of vibration, motion, or physical resistance to a user is called:

Haptics

_________ printers create an image directly on the paper by spraying ink through tiny nozzles.

Inkjet

Which of the following is NOT a type of memory card technology?

Mega SD

_________ printers combine either inkjet or laser printing capabilities with scanning, photocopying, and faxing capabilities.

Multifunction

What is the name of the technology that can translate a scanned document image into text that can be edited and formatted?

OCR

Printer speed is measured in:

PPM

_________ tags, such as those present in many automated toll collection systems, can be scanned from longer distances and at higher speeds than barcodes.

RFID

Ultraportable computers will often use _________ technology exclusively, even though their storage capacity is only a fraction of what a traditional hard drive offers.

SSD

Which of the following storage units is the LARGEST?

Terabyte

_________ printers, which are often used to create receipts and labels, apply heat to special paper in order to turn select areas black.

Thermal

Which technology has become the primary way in which we interact with our tablets and smartphones?

Touchscreen

A computer's sound card is a circuit board that converts sound from analog to digital form, and vice versa, for recording or playback.

True

Add-on circuit boards that can improve the performance of a computer's video or sound are known as expansion cards.

True

Apple's Siri and Google's Search app both employ speech recognition, allowing users to issue voice commands on their mobile devices.

True

Because solid state storage does not use moving parts, this technology can perform read, write, and erase operations at much quicker speeds.

True

Having a higher quantity of RAM will allow you to have more open programs and quickly switch between them.

True

Many computers do not need a video card because the video-processing circuitry is built directly into the motherboard.

True

Many modern game controllers include internal sensors that can detect subtle movements of the device.

True

Many of the components inside a computer generate a great deal of heat. Without proper cooling, a computer could overheat and malfunction.

True

Tape drives, which use magnetic tape to store data, are popular for organizations that have large quantities of information to backup or archive.

True

The CTRL, ALT, FN, and WINDOWS keys are commonly used for keyboard shortcuts, which are keystrokes that can quickly perform an operation within software.

True

The most popular plug on a computer is the small, rectangular _________ port, which is used to connect almost all of today's external devices.

USB

_________ memory refers to a portion of your hard drive that is being used as RAM.

Virtual

_________ keyboards do not require a physical connection and can communicate with your computer via Bluetooth technology.

Wireless

The most fundamental unit of computing is the _________, which is typically represented as a 1 or 0 value.

bit

When it comes to describing a computer's storage or memory we commonly use the unit known as the _________, which is simply a collection of eight bits.

byte

Tiny and flat memory _________ are used to store data in tablets, smartphones, and devices such as digital cameras and digital photo frames.

cards

Several _________ serve as traffic directors for all data flowing through a motherboard.

chipsets

The ability to automatically print to both sides of a piece of paper is known as:

duplexing

The instructions that handle a computer's basic functions when it is powered on are referred to as:

firmware

Which of the following is NOT one of the four colors used in the ink nozzles of inkjet printers?

green

The _________ is the primary storage device of a personal computer.

hard drive

In a computer, _________ is a general term for electronic chips that store data and program instructions that can be accessed quickly by the CPU.

memory

The optical _________ is the most common pointing device for desktop computers.

mouse

Practically all of today's computers are equipped with complete _________ capabilities, which means that they can input and output sound, music, images, and video.

multimedia

The tiny memory cards used by digital cameras and mobile devices are an example of _________ storage.

solid state

The _________ is a stationary, rectangular pointing surface that is typically found on laptop computers.

touchpad