Key Term | Definition |
AC adapter (166) | A power adapter that converts AC to DC, provides power to drive the system unit components, and can recharge batteries. |
accelerated graphics port (AGP) (164) | A bus that is dedicated to the acceleration of graphics performance. |
analog (152) | Continuous, signals that vary to reprent different tones, pitches, and volume. |
arithmetic-logic unit (ALU) (155) | The ALU, performs two types of operations: arithmetic and logical. |
arithmetic operation (155) | Fundamental math operations: addition, subtraction, multiplication, division. |
ASCII (152) | American Standard Code for Information Interchange, a 7-bit binary coding scheme ud widely by microcomputers |
binary coding scheme (152) | How characters 0’s and 1’s in the computer |
binary system (152) | A numbering system that consists of only two digits, 0 and 1. |
bit (152) | Short for – Binary Digit. |
bus (161) | Connects the parts of the CPU to each other. (See also bus line) |
bus line (155, 161) | Connects the parts of the CPU to each other. (See also bus) |
bus width (161) | 娄彩敏The number of bits that can travel simultaneously down a bus |
byte (152) | Eight bits. Each byte typically reprents one character. |
cable (166) | Connects external devices to the system unit via ports. |
cache memory (157) | A temporary high-speed holding area between the memory and the CPU ud to improve processing time. (See also RAM cache) |
carrier package (154) | Micro chips on mounted on them. They are either plug directly into sockets on the system board or onto cards that are then plugged into slots on the system board. |
central processing unit (CPU) (155) | The “brains” of a computer and is contained on a single chip. (See also microprocessor, processor) |
chip (154) | Consists of tiny circuit boards etched onto squares of sandlike material called silicon. (See also integrated circuit, silicon chip, miconductor) |
clock speed (159) | The speed of processing or power of a computer system. (See also clock speed) |
complementary metal-oxide mi-conductor (CMOS) (158) | A complementary metal-oxide semiconductor contains esntial information that is required every time the computer system is turned on. |
computer technician (167) | People who repair and install computer components and systems. |
control unit (155) | The part of a processor that tells the rest of the computer system how to carry out a program’s instructions, and directs the movement of electronic signals between memory. |
coprocessor (156) | Specialty chips designed to improve specific computing operations. |
desktop system unit (150) | A unit that contains the system’s electronic components and lected condary storage devices. Input and output devices are external. |
digital (152) | Signals that are only in two states – on or off – are u to reprent voice and data. |
dual-core chips (156) | A new type of microprocessor that provides two parate and independent CPUs |
EBCDIC (152) | Extended Binary Coded Decimal Interchange Code. An 8-bit binary coding scheme developed by IBM and ud primarily in large computers. |
expansion bus (161) 蔡卓妍离婚 | connects the CPU to other components on the system board, including expansion slots. |
expansion card (159) | Optional devices urs can inrt into their computers. |
expansion slot (159) | Slots provided on a microcomputer where urs can inrt optional devices. |
FireWire bus (164) | A bus dedicated to the acceleration of graphics performance. (See also high-performance rial bus) |
FireWire port (165) | Provides connections to specialized FireWire devices such as camcorders. (See alsohigh-performance rial bus (HPSB) ports) |
flash memory (157) | Chips that can retain data even if power is disrupted. (See also flash RAM) |
graphics card (160) | Converts the internal electronic signals to video signals so they can be displayed on the monitor.(See also video card) |
graphics coprocessor (156) | A processor specifically designed to handle the processing requirements related to displaying and manipulating 2-D and 3-D graphics images. |
handheld computer system unit (151) | The smallest type of PC and are designed to fit into the palm of one hand. (See also palm computer) |
industry standard architecture (ISA) (164) | 8- and 16- bit expansion bus developed for the first IBM Personal Computer |
Infrared Data Association (IrDA) (165) | Provides a wireless mechanism for communicating to the system unit. (See also fast infrared (FIR)) |
integrated circuit (154) | Consists of tiny circuit boards etched onto squares of sandlike material called silicon. (See also chip, silicon chip, miconductor) |
laptop computer (150) | The system units contain the electronic components, lected condary storage devices, and input devices. (See also notebook system unit) |
logical operation (156) | Compare two pieces of data |
memory (157) | A holding area for data, instructions, and information and contained on chips connected to the system board. |
microprocessor (155) | The “brains” of a computer and is contained on a single chip. (See also central processing unit, processor) |
modem card (160) | Allow distant computers to communicate with one another by converting electronic signals from within the system unit into electronic signals that can travel over telephone lines and other types of connections. (See also internal modem) |
motherboard (163) | The communications medium for the entire computer system. (See also main board, system board) |
musical instrument digital interface (MIDI) (165) | A special type of rial port for connecting musical instruments to a sound card. |
network adapter card (160) | Connects a computer to one or more other computers. (See also network interface card) |
广东工程职业学院network interface card (NIC) (160) | Connects a computer to one or more other computers. (See also network adapter card) |
notebook system unit (150) | The system units contain the electronic components, lected condary storage devices, and input devices. (See also laptop computer) |
parallel port (164) | Connects external devices that need to nd or receive a lot of data over a short distance. |
parallel processing (156) | Two parate and independent CPUs that are divide programs into parts that each CPU could process independently. |
PC card (161) | Credit card–sized expansion card (See also PCMCIA) |
PCI Express (PCIe) (165) | New type of bus that is 30 times faster than PCI bus. |
peripheral component interconnect (PCI) (164) | A high speed 32- or 64- bit bus developed to meet the video demands of graphical ur interfaces. |
personal digital assistant (PDA) (151) | The most widely ud handheld computers. |
Plug and Play (160) | A t of hardware and software standards by hardware and software vendors to create operating systems, processing units, and expansion boards, as well as other devices that are able to configure themlves |
port (164) | A socket for external devices to connect to the system unit. |
power supply unit (166) | Converts AC to DC, and provides the power to drive all of the system unit components. |
processor (155) | The “brains” of a computer and is contained on a single chip. (See also microprocessor, central processing unit) |
random-access memory (RAM) (157) | Chips temporarily hold that programs and data the CPU is prently processing. |
read-only memory (ROM) (158) | Chips that typically contain special instructions for detailed computer operations. (See also firmware) |
RFID tag (157) | Specialty processor where information chips are embedded in merchandi to track their locations. |
miconductor (154) | Consists of tiny circuit boards etched onto squares of sandlike material called silicon. (See also integrated circuit, silicon chip, chip) |
rial ATA (SATA) (165) | New type of bus ud to connect magnetic and optical disc drives to the system board with far greater speed than other types of bus. |
rial port (164) | Port that nds data one bit at a time and good for nding information over a long distance. |
silicon chip (154) | Consists of tiny circuit boards etched onto squares of sandlike material called silicon. (See also integrated circuit, chip, miconductor) |
slot (154) | Provides a connection point for specialized cards or circuit boards. |
smart card (156) | A plastic card the size of a regular credit card that has an embedded chip. |
socket (154) | Provides a connection point for chips |
sound card (160) | accept audio input from a microphone and convert it into a form that can be procesd by the computer. |
system board (153) | The communications medium for the entire computer system. (See also motherboard, main board) |
system bus (161) | Connects the CPU to memory on the system board |
system cabinet (150) | A container that hous most of the electronic components that make up a computer system. (See also system unit, or chassis) |
system clock (159) | A small specialized chip that produces precily timed electrical beats or impuls. |
system unit (150) | 初诣A container that hous most of the electronic components that make up a computer system. (See also chassis, or system cabinet) |
tablet PC (150) | A highly portable device that supports the u of a stylus or pen to input commands and data. (See also tablet PC system unit) |
tablet PC system unit (150) | A highly portable device that supports the u of a stylus or pen to input commands and data. (See also tablet PC) |
TV tuner card (160) | Contains a TV tuner and a video converter that changes the TV signal into one that canbe displayed on your monitor. (See also television board, video recorder cards, video capture card) |
Unicode (152) | A 16-bit binary coding scheme designed to support international languages. |
universal rial bus (USB) (164) | A bust that combines with a PCI bus on the system board to support veral external devices without using expansion cards or slots. |
universal rial bus (USB) port (164) | Fastest type of port that can connect veral devices at a time to the system unit. |
virtual memory (158) | A space utilized on a condary storage device by the operating system ud to swap information when there isn’t enough RAM to process all applications. |
word (156) | The number of bits (such as 16, 32, or 64) that can be accesd at one time by the CPU. |
Across | ||
Num. | Clue | Answer |
6 | Assists with the installation of expansion cards. | Plug and Play |
8 | Memory which improves processing by acting as a temporary high-speed holding area between memory and the CPU. | Cache |
10 | Controls the speed of operations. | System Clock |
Down | ||
Num. | Clue | Answer |
1 | Part of a microcomputer that contains the CPU. | 小学生上床 System Unit |
2 | Controls and manipulates data to produce information. | Microprocessor |
3 | The number of bits that can be accesd by the microprocessor at one time. | Word |
4 | Holding area for data, instructions, and information. | Memory |
5 | Ud to connect external devices to system unit via ports. | Cable |
7 | Unit consisting of eight bits. | Byte |
9 | Most widely ud microprocessor binary coding scheme. | ASCII |
Num | Multiple Choice Answers | Matching Answers |
1 | D | J |
2 | B | A |
3 | C | C |
4 | B | H |
5 | B | G |
6 | A | I |
7 | A | D |
8 | C | E |
9 | B | F |
10 | D | B |
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