Hardware 1_ practice test 3
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| What is the maximum length of a USB cable? | 5 meters
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| What is the measurement of the number of different sound characteristics captured during sampling? | Bit depth
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| What is the most common general-purpose connection for PCs? | USB
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| What is the practical limit for modern CPU clock speeds? | 4 GHz
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| What is the process for capturing sound waves in an electronic format? | Sampling
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| What is the property by which phosphors continue to glow after being struck by an electron beam? | Persistence
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| What is the rate of a CD-quality sound capture when captured with 16-bit depth and in stereo? | 44.1
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| What is the result of increasing the sampling rate for sound capture? | Better sound reproduction
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| What is the storage capacity of a single-layer Blu-ray Disc? | 25 GB
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| What is the unit of measuring current? | Ampere
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| What is thin film transistor (TFT) also known as? | Active matrix
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| What is used to change or remove device drivers in Windows? | Device Manager
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| What is used to hold a CPU in place? | ZIF
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| What kind of RAM is cache typically made of? | SRAM
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| What kind of connector does a legacy serial port use? | 9-pin DB
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| What kind of memory do USB drives use? | Flash
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| What measure describes the relative quality of an input port? | Signal-to-noise ratio
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| What must a video card have to support a given combination of color depth and resolution? | RAM
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| What protocol supports direct access to the hardware for joysticks and other game controllers? | DirectInput
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| What should you check first when a system's sound isn't working? | Volume control
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| What sound standard do games typically use? | DirectX
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| What term describes any single combination of resolution and color depth you can set for your system? | Mode
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| What term identifies how many colors can be displayed on a screen? | Color depth
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| What two parts of your PC are much more sensitive to ESD than others? | CPU and RAM
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| What type of computer uses the 68-pin micro-DIMM and 144-pin SO-DIMM? | Laptop
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| What type of floppy drive is used in modern PCs? | 3.5 inch
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| What type of power connector is L-shaped? | SATA
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| What type of voltage does a PC use? | DC
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| What typically connects a CPU to RAM? | MCC
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| What unit is used to measure the capacity of RAM? | Byte
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| What unit is used to measure voltage? | Volt
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| What unit measures the brightness of a monitor? | Nits
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| When choosing RAM for a modern system, what should you consider first? | Technology, capacity, speed
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| When the red, green, and blue colors meet at a single point on a display, the colors combine. What will be seen at this point? | Single white dot
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| When the user loads a program, where is it copied before it is run? | RAM
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| Where are programs stored when they not running? | Hard drive
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| Where do modern PCs store CMOS settings? | NVRAM
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| Where do most USB devices get their power? | USB bus
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| Where does the motherboard store the keyboard controller support program? | ROM chip
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| Which LCD components are powered by a high-voltage electrical circuit that can give you a nasty shock? | Inverters
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| Which SATA variety runs at 6 GBPS? | SATA 3.0
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| Which USB ports are typically used to interface with the PC? | A
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| Which cache on the CPU is used first? | L1
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| Which chip acts as a clock to keep the current date and the time? | CMOS
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| Which chip can be reprogrammed to update its contents? | Flash ROM
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| Which chip converts serial data to parallel data? | UART
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| Which chip is used to store information that describes specific device parameters? | CMOS
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| Which connector is the most common type of connector used for devices that require 5 V or 12 V of power? | Molex
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| Which connector type has a slight D-shape? | DB
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| Which is the first electrical component to "wake up" when a computer is turned on? | CPU
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| Which of the following components is read-only? | ROM
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| Which of the following devices would be fastest for a printer? | USB 2.0
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| Which of the following displays use analog signals instead of digital ones? | CRT
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| Which of the following does not require jumper settings? | SATA
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| Which of the following is a complete copy of a CD that can be burned to another CD to make a duplicate? | ISO file
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| Which of the following is a correct statement? | An open case ruins airflow and loses cooling efficiency.
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| Which of the following is an important difference between desktops and mobile devices, in terms of CPU needs? | Mobile devices need to consume less electricity.
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| Which of the following is equivalent to 1024 bytes? | 1 kilobyte
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| Which of the following is not a valid standard for recordable DVD? | DVD-ROM
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| Which of the following is not applicable for LCDs? | They flicker a lot.
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| Which of the following is the fastest external optical drive interface? | eSATA
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| Which of the following optical media types is popular for today's high-density movies? | Blu-ray
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| Which of the following stores the data that the CPU actively uses? | RAM
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| Which of the following terms is used to define the first cache that the CPU uses? | L1 cache
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| Which of the following units is used to measure resistance? | Ohm
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| Which of the following uses the soft power feature? | ATX
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| Which of the following wires carries no voltage? | Neutral
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| Which of the following would prove more damaging to a CD-RW? | Scratching the top of a disc
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| Which player is commonly used to play Audio Interchange File Format (AIFF) files? | QuickTime
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| Which ports, often coded blue to distinguish them from older ports, are fully backward-compatible? | USB 3.0
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| Which statement is not true? | A terabyte is 10000 gigabytes.
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| Which tool comes built-in with Windows Vista/7 and allows you to create video DVDs? | Windows DVD Maker
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| Which type of processor is sometimes integrated with the CPU to handle certain tasks more efficiently, such as video processing? | GPU
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| Which type of socket package do Intel processors use? | LGA
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| Which types of video connectors are common today? | VGA and DVI
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