Practice Part of the integrated circuit inside the CPU.

Transcription

1 For the A+ Certification exams, you should be able to identify the names and characteristics of motherboard form factors, architecture, and components. Practice 3.1 Match the bus type to its definition. Not all of the definitions will be used. l. address bus 2. control bus 3. data bus, /O bus 5. internal bus 6. power bus a. Delivers command signals from the processor to devices. b. Connects directly to the CPU and provides communications to high-speed devices mounted closely to the CPU. c. A circuit board with an abundance of slots along the length of the board d. Sends electrical power for small consumption devices, such as speakers, lights, and switches. e. Connects the processor to the expansion slots.. Part of the integrated circuit inside the CPU. g. Connects the CPU with the main memory module. h. Moves data between components. Copyright by Goodheart-Willcox Co., nc. 21

2 Practice 3.2 dentify the following form factors. ATX LPX nanobtx BTX microatx NLX flexatx microbtx picobtx ~::S-~T 10.5", ,1 r ~: "--->1 1-c:.f / /1-~ ~ los', ,1 ~- 8.0/1 --4 A. B. c. D. -~ 9.6 /1 1 i 9.6/1 T 9.6/ " ~ ~9.6" /1~ E. F. e. 13.0/1 Bus riser H. card Mouse Bus riser card \ - Line Keyboard Serial ports out Expansion card =i= Parallel port Video Back View 22 Computer Service and Repair Study Guide Copyright by Goodheart-Willcox Co., nc.

3 Narne Edge connector slides into "" riser card "'" T10.0" 1--.: " ----~1 to 13.6" Practice 3.3 dentify the following expansion technologies. AGP PC e xl PCe x4 PC PCe x L ----' A L ~ B. Front of adapter ~ card c D E. Copyright by Goodheart-Willcox Co., nc. Chapter 3 Motherboards 23

4 Practice 3.4 Fill in the blanks for the statements about PCe. The following terms may be used more than once or not at all.. " 2 32 AGP PC-E 4 64 lanes PC-X parallel serial PC 1. PCe is often confused with Another name of pcle is PCe was designed to replace -and PC uses data transfer and PCle uses data 4. transfer. 5. A PC e single lane consists of pairs of conductors A PCe x 16 has lanes and a total of pairs The PCe 2.0 standard can achieve a Mbps data rate. 7. Practice 3.5 Match the parallel port technology with its definition. The following terms may be used more than once. 2MBps 50 kbps ECP standard 4MBps bidirectional EPP unidirectional 1. The original parallel port was and had a data rate of An EPP parallel port is and has a data rate of An ECP parallel port is and has a data rate of A(n) parallel port is also referred to as the EEE standard. 5. A(n) parallel port can be used with devices other than 5. printers. 24 Computer Service and Repair Study Guide Copyright by Goodheart-Willcox Co., nc.

5 Practice 3.6 Name Fill in the blanks for the statements about USB and FireWire. The following terms may be used more than once FireWire USB 1. Another name for EEE 1394 is USB is capable of supporting devices FireWire is capable of supporting devices Data rates of 400 Mbps can be achieved with Data rates of 480 Mbps can be achieved with. 5. Practice 3.7 Match the bus types to their definitions. Not all of the definitions will be used. 1. DMA address a. A memory address expressed in hexadecimal 2. /O port address notation, which is used to identify a computer device. 3. RQ b. A feature of some buses that allows data to be transferred directly between two devices without the 4. memory range address intervention of the CPU. c. An assigned section of memory used as a temporary storage area for data before it is transferred. d. nterrupts the processes taking place in the CPU and requests that the processor pay attention to a specific device. e. A combination of software and hardware that allows certain system devices direct access to the RAM. Practice 3.8 Connect (draw a line from) the computer case connections to their appropriate headers on the motherboard. RST SPK ~~GGGG GGGGGG8 PWR sw Spea ker POW PWR HD Reset SW LED SW PWR LED HDD LED Copyright by Goodheart-Willcox Co., nc. Chapter 3 Motherboards 25

6 26 Computer Service and Repair Study Guide Copyright by Goodheart-Willcox Co., nc.