Details Title: A+ Ch04 Description: I/O Systems Total Flash Cards: 39 Created: 10/06/2008 11:27:07		New Users: To study from this flashcard set, or to create your own your own study flash cards, REGISTER HERE. Existing Users: CLICK HERE. Additional Computer Science Flashcards
Cards in this set: Term USB 1.1 Definition 127 Devices 12 Mbps 3 Meters Term USB 2.0 Definition 127 Devices 480 Mbps 5 meters Term USB 3.0 Definition 127 Devices 4.8 Gbps Term IEEE-1394a Definition 63 Devices 400 Mbps Term Shadow Mask Definition Seperates the colors from the electron gun so that color of one pixel does not strike the dot of another pixel. Term HDMI Definition Highest video standard connection standard 1080p Includes 7.1 audio Term Composite Definition Red, White, Yellow Standard for lowest possible resolution. Term CRT Definition uses an electron gun to trace images on the screen. Term Refresh Rate Definition The amount of time it takes for a screen illumniate. Term Response Time Definition The time it takes for a pixel to go from Black to White to Black. Measures in (ms) Term DVI Definition connector type for HD systems. 1080p video only, no sound Term Component Definition RGB inputs HD quality, video only 1080p Term S-Video Definition lower quality, better than composite video only  ps/2 style conector Term IRQ 0 Definition System Timer (IRQ) Term IRQ 1 Definition Keyboard (IRQ) Term IRQ 2 Definition Cascade (IRQ) Term IRQ 3 Definition COM 2&4 (IRQ) Term SVGA connector Definition DB-15F (3-row) Term Interrupt Request Definition where the peripheral alerts the microprocessor that it's ready to transfer Term Polling Definition where the microprocessor examines the status of the peripheral under program control Term Programmed I/O Definition where the microprocessor alerts the designated peripheral under program control. Term DMA Definition where the intelligent peripheral assumes control of the system's buses to conduct direct transfers with primary memory Term Serial Definition the bits of the word are transmitted along a single conductor, one bit at a time. Term Parallel Definition where all 8-bits are sent over a set of conductors at one instant Term IrDA Definition short range wireless specification; 1-2 meters; clear line of sight Term NIC connector Definition RJ-45 Term Keyboard/Mouse Definition PS/2; 6-pin Mini-din Term LPT/Parallel port Definition DB-25F Term Modem port Definition RJ-11 Term Game port Definition DB-15F (2-row) Term Progessive Scan Definition digital tv signal format; paints the entire picture in one sequential set of horizontal lines Term IEEE-1394b Definition Firewire; 63 Devices; 800 Mbps Term Interlaced Scan Definition digital tv signal format; uses two different frames to create a complete picture. Term LDTV Definition Lower than NTSC standard; Used in PSP, IPod 240p Term SDTV Definition standard for NTSC broadcasts; 480i Term HDTV Definition ATSC Standard; 720p, 1080i, 1080p Term Sound Card mic/audio out ports Definition RCA Mini Jack Term Serial Cable Definition DB-9, DB-25; 50ft cable length Term Parallel Cable Definition DB-25 10FT cable length