CGS 2100 Midterm Study Set: Engineering Terms & Definitions

The machine cycle consists of which four steps?

fetch, decode, execute, and store

Which of the following could have a traditional (magnetic) hard drive?

Dell desktop computer

The smallest image element is a(n)

Pixel

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

single-core processor

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

clock

RAM is ________ and has no moving parts.

electronic (solid state)

The information in ________ is dumped when a computer is shut down.

RAM

A multi-core processor has two or more ________; and is capable of ________.

Cores and hyperthreading

The SSD cost is ________ than the traditional hard drive cost.

higher

What are some characteristics of a 2-in-1 computer?

full operating system and touch screen monitor

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

Overclocking

Rank the following from fastest to slowest. The fastest should be on top.

1. Gigahertz

2. Megahertz

3.Kilohertz

4. Hertz

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

Color depth

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.

All-in-one

The correct way to measure the screen size of a computer monitor is?

diagonally from one corner to the other

1. not mobile, but allows for relatively easy upgrade and expansion

2. clamshell (hinged) type computer

3. not mobile, but since most of it's components are housed behind the monitor it takes relatively little space on your desk

4. highly mobile—you can use it while standing or walking around

1. Desktop

2. Laptop

3. All-in-one 4. Tablet

Lightning connectors and ports are used by which company?

Apple

Choose what all-in-one computers actually mean.

1. All-in-one computers house every component except the keyboard and mouse inside the same case as the monitor.

2. An all-in-one computer is a stationary device with a separate keyboard and mouse.

Some computers use ________ to represent characters in a binary format.

ASCII

What is the primary purpose of fragmenting your hard drive?

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

Common names for a USB drive include?

1. Thumb drive

2. Flash drive

3. Jump drive

A channel over which information flows inside a digital device is called a ________.

Bus

1. a slot or hole that matches the cord or expansion card being connected to the port

2. On a cable, the connector is the end that connects to a port.

3. allows for data transfer between devices and for devices to be electrically charged

4. the type of port commonly found on Mac laptops

1. Port

2. Connector

3. USB

4. Thunderbolt

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

USB

Typical tablet computer or smartphone SSD capabilities are measured in ________.

Gigabytes

A ________ is the smallest unit of data that a computer can process.

Bit

1. Mouse

2. Speaker

3. External Hard drive

1. Input device

2. Output device

3. Storage device

Which of the following are true regarding high-definition displays?

1. Typically have aspect ratios of 16:9

2. Typically have 1080 horizontal lines of pixels

Magnetic Ink Recognition (MICR) is a technology that is most commonly seen on ________.

Checks

Select the technologies used by facial recognition software.

1. 3-D mapping

2. Feature charting

3. Skin texture analysis

Select the true statements regarding an LED display.

1. Can be extremely thin

2. Great for well-lit areas

3. Extremely energy efficient

Select the input devices often found at a point-of-sale station.

1. Bar code or UPC reader

2. Keypad

3. UPC scanning wand

4. Receipt printer

The technology that uses the reflection of a laser of the graphite left by a #2 pencil to determine if a bubble has been filled in is called

OMR

This technology provides short-distance wireless communication between electronic devices using extremely low power radio signals.

Bluetooth

Inkjet printers are often sold ________ their production cost.

Below

Which devices use a virtual keyboard?

1. Tablet

2. Smartphone

These facilitate getting data and information into your computer.

Input device

Select the current uses for RFID tags.

1. Pet identification

2. Package tracking

3. Inventory tracking

Select the characteristics of a plotter.

1. Prints large graphic displays

2. Mechanically moves a pen over a large sheet of paper

Select the peripherals.

1. Printer

2. Monitor

Which are true regarding a screen's resolution?

1. Equals the number of pixels in a display

2. Measures image quality

Which are true regarding a display's refresh rate?

1. Describes how fast each pixel in a display is updated

2. The higher the refresh rate, the smoother the video.

3. Videos play best with refresh rates at even multiples of the frame rate.

Select the popular video teleconferencing applications.

1. Apple facetime

2. Microsoft Skype

3. Google+ Hangout

The number of bits of data describing each pixel in a display is referred to as ________.

Color depth

Which of the following statements are true?

1. DVDs and Blu-rays are considered optical media

2. DVDs use longer wavelength (red spectrum) lasers.

Smartphone cameras work by focusing incoming light onto what type of array that captures images?

Active pixel scanner

Select the traits that are currently used for biometric identification.

1. fingerprints

2. Irises

3. Stride

Most laptops, tablets, and smartphones use a(n) ________ display.

LCD

Which of the following refer to ultra-high-definition television displays?

1. 4k UHD

2. 8k UHD

3. Ultra HD

Select the three main ways of detecting and recording fingerprints.

1. Ultra sonic

2. Optical

3. Capacitance

This type of analysis or walking stride identification is valuable because it can be used at night or through walls with infrared cameras or even with satellite imagery.

Gait analysis

Select the statements that refer to the term "dot pitch."

1. The distance between two adjoining sub-pixels in a display

2. The closer the spacing (the smaller the dot pitch) the sharper the image

To improve the sound quality of their smartphones, many users purchase larger external ________ to listen to music.

Speaker

Using cells of ionized gas to create images, ________ displays are actually becoming less popular.

Plasma

A description of the difference in the luminance of a display's white pixels compared to the black pixels is called ________.

Contrast ratio

Select the input devices often found with a point-of-sale system.

1. MICR

2. QR code reader

Select the characteristics of thermal printing.

1. Commonly used for printing receipts

2. Paper turns black when heated.

With ____ recognition technologies, frequency, pitch, speech rhythms, and other characteristics are charted and compared to existing records.

Voice