微机硬件组成原理复习资料1

《微机硬件组成原理》2014年期末复习资料一、选择题1．The _ C ___ partition is the partition on the hard drive that is used to boot the OS.A．default B．boot C．active D．loaded2．The speaker ports are most likely the __ A __.A．center ports on the sound card B．left ports on the sound card C．right ports on the sound card D．ones labeled with an "S" 3．All types of SCSI cables send a signal on _A___ cable.A．twisted-pair B．coaxial C．fiber optic D．None of the above 4．Which does not support NTFS? _ D ___A. Windows NT B．Windows 2000 C．Windows XP D．Windows 985．The chip responsible for any communication over a serial port uses the __C__ buffer to temporarily hold data as it is being received or transmitted.A．LIFO B．LILO C．FIFO D．FILO 6．Which provides backup power supply in the event that the AC fails completely? _ C ___ A．surge suppressors B．power conditionersC．uninterruptible power supplies D．Both B and C7．The motherboard contains a vital __ D __ chip that contains the programming necessary to start the computer and to perform other fundamental functions.A．system B．CMOS RAM C．configuration D．ROM BIOS 8．External modems use a(n) __D__ port.A．serial B．USB C．parallel D．Either A or B9．RAID 0 is not supported by __B__.A．Windows NT B．Windows 9x C．Windows XP D．Windows 2000 10．__ B __ ROM allows you to upgrade system BIOS without having to replace the ROM chip.A．System B．Flash C．BIOS D．Startup 11．Errors caused by clusters that are marked in the FA T as belonging to more than one file are called __ C __ clusters.A．double B．duplicate C．cross-linked D．redundant 12．Master and slave designations for EIDE devices are not made by _ D ___.A．setting jumpers B．setting DIP switchesC．using a special cable-select data cable D．changing the BIOS13．A DVD disc can hold __C__ of data.A．5 GB B．4.5 GB C．8.5 GB D．10 GB 14．__D__ is made by Intel.A．MMX B．3DNow! C．SSE D．Both A and C 15．_ C ___ is the most popular form factor.A．Baby AT B．Mini-ATX C．ATX D．AT16．The command Format C:/__C__ makes the drive bootable.A．B B．L C．S D．R17．DVD+RW devices are not compatible with __ C __.A．DVD-ROM B．CD-ROM C．DVD-RAM D．None of the above 18．With IDE drives, _A___ formatting is done at the factory.A．low-level B．high-level C．operating system D．Both A and C 19．IDE __ A __.A．supports only four internal devicesB．supports both internal and external devicesC．allows you to add more devices to a systemD．Both A and C20.When installing a RIMM, the __C_ will help you orient it in the socket.A．triangle on the top B．red stripe on the top C．notches on the edge D．smooth edge 20．RS-232 is a standard that applies to__A__A．serial ports B．parallel ports C．game ports D．networks 21．A single speed CD-Rom drive transfers data at BA．100 bytes per second B．150 KBs per secondC．1 MB per second D．20 million bits per second 22．Whenever you have a hardware resource conflict, it will more likely be an IRQ conflict rather than an i/o conflict because__A__.A．there are alot more i/o addresses than IRQs.B．the bios sometimes has more of a problem controlling IRQsC．i/o addresses cannot conflictD．software tends to correct i/o conflicts23．Your IDE CD-Rom drive is attached to the primary IDE adapter with your hard drive. How should its jumpers be set?_D__A．to 001 B．as neutral C．as a master D．as a slave 24．Which of the following is not SCSI issue?__D__A．unique id settings B．limited cable length C．Parity D．without termination 25．IDE cables have how many pins?__C__A．100 B．50 C．40 D．2526．On a flat data cable, a red or blue stripe means_B_A．null connection B．pin 1 C．high voltage D．ground 27．You have a PC with no video on a known good monitor. Pick the best order you should follow in tracking down the problem__A__A．check that PC and monitor are plugged in, check that monitor brightness is turned up, check that PC fan is running, remove all option cardsB．replace the video card, replace the monitor, replace the power supply, replace the system board, try a different monitorC．check that everything's plugged in, replace hard drive, replace ramD．check PC supply voltages, replace video card, replace CPU28．Most PCs give a single beep on bootup to indicate they are ok hardware wise. You boot your PC and don't get a beep. What should you check first?__B__A．microprocessor B．speaker C．ram D．system board29．You have an old PC that you decide to upgrade with a 1 gig IDE hard drive. You find that you can't configure cmos to see the entire hard drive. The best you can do is 540 meg. What is the fix?__C__A．put multiple partitions on the hard driveB．manually input the sectors, cylinders, and heads of the hard driveC．use a device driver that makes the bios see the drive as simply a block storage device, or upgrade the bios if possibleD．make the bios think it's a SCSI drive30．ESD is ___B___.A．electronic stasis device B．electrostatic dischargeC．electric surge device D．electronic system driver31．What's the best way to protect your hard drive data?__A__A．regular backups B．periodically defrag itC．run chkdsk at least once a week D．run scandisk at least once a week 32．Which of the following is input devices only? __C__A．modem B．video card C．keyboard D．SCSI controller 33．Which component stores an electrical charge?__D__A．diode B．transistor C．resistor D．capacitor 34．PCI devices do not have jumper settings or dip switches. How are they configured? ___A___A．CMOS setup B．through DOS C．Windows setup D．they are always self-configuring35．What is the first CPU to include an internal math coprocessor?___B___A．386DX B．486DX C．Pentium D．Pentium Pro 36．___C___ is the term used to refer to the process of two modems establishing communications with each other.A．Connecting B．Linking C．Handshaking D．Interacting 37．Your modem does not respond when you try to dial out. You try another modem on another computer and get the same result. What is the most likely problem?__C__. A．defective modem B．defective computer C．bad phone line D．software bug38．Your CD-Rom audio cable connects to the__B__.A．speaker B．sound card (or motherboard if sound is integrated with it)C．power supply D．hard drive39．POST is done when the PC is __B__.A．warm booted B．first turned on or restarted with the reset buttonC．CTRL-ALT-DELETE booted D．giving a numeric error code40．In all the diagrams mentioned below:A, B, C, D, E and F represents blocks and p1, p2, and p3 represents parity,so which is the diagram of RAID5?__B__A．B．C．D．41．Which application can be used to send AT command to a modem? CA．notepad B．Calculator C．HyperTerminal D．Paint 42．The speed of a 52x CD-ROM is__C__.A．7500KBps B．3750KBps C．7800KBps D．3600KBps 43．In the following devices,which is not based on optical storage technology?_D__ A．CD-ROM B．CD-R C．DVD-RAM D．ZIP 44．Which is the storage capacity of a single-sided double-layer DVD?__B__A．4.7GB B．8.5GB C．9.4GB D．17GB45．__A__defines a standard software protocol and API (application programming interface)for communication between software applications and image acquisition devices (the sourceof the data).A．TWAIN B．ACPI C．APM D．DPMS 46．In a SCSI subsystem,which terminator is not the type used with single-ended SCSI cables?_C_A．Passive terminator B．Active terminator C．HVD terminator D．Forced perfect terminator47．Which symbols indicates a HVD SCSI type?__B__A．B．C．D．48．Which interface is not used by hard drive to communicate with the computer?__C__ A．EIDE B．SCSI C．PS2 D．USB 49．Which command can be used to partition a hard drive?__A__A．fdisk B．format C．check D．defrag ABCDisk1ABCDisk2ACEDisk1BDFDisk2P1DFDisk3ACP3Disk1BP2EDisk2ACEDisk1ACEDisk2BDFDisk3BDFDisk450．Which is used by disk drives to store more sectors per track on outer tracks than on inner tracks?__B__A．IEEE1394 B．ZBR C．Fibre Channel D．COM 51．From which the cache memory is typically made up of?__A__A．SRAM B．DRAM C．EEPROM D．FlashROM 52．Which bus is not used by video cards?__C__A．VESA bus B．PCI bus C．DIN bus D．AGP bus 53．Which is not included in the main components on a motherboard?__D__ A．CPU and chip set B．System clock C．ROM BIOS D．Power supply54．The figure above is about a Pentium II processor module,so the arrow from the question mark shows a ___B___ bus.A．Front side B．Back side C．memory D．system 55．__A__ processor have small number of operating instructions to perform.A．RISC B．CISC C．MMX D．SSE 56．Which symbol is used to represent transistor?__A__A．B．C．D．57．The setup data for a motherboard can not be stored by __C__.A．Jumpers B．DIP Switches C．BIOS Chip D．CMOS Chip58．The letter A stored as 8 bits:__A__.A．01000001 B．01000011 C．01100001 D．01100011 59．The largest, most important circuit board in the computer is __A__. A．Motherboard B．Video Card C．Sound Card D．Net Card二、判断对错题1．The figure above shows the installation of a SIMM module.（T）2．The MCA bus was the first 32-bit bus for personal computers.（T）3．Used on the first IBM 8088 PCs in the early 1980s, the ISA bus had an 16-bit data path.Later, IBM revised it to have a 32-bit data path. （F）4．When discussing video memory, the number of colors available is called color length.（F）5．The dot pitch is distance between the dots on the screen that the electronic beam hits.（T）6．The figure above shows the installation of a DIMM module.（F）7．The refresh rate is the number of times in one second an electronic beam can fill the screen with lines from top to bottom.（T）8．The first "E" in EIDE stands for Enhanced.（T）9．The "E" in EPROM stands for Extended.（F）10．The figure above shows the installation of the processor.（F）1．COM1 and COM3 share the same IRQ.（T）11．Before sending data, a modem sends a request to send signal, or RTS.（T ）12．You can have EISA and MCA devices in the same PC. （F）13．SCSI adapters usually don't need drivers, just the devices that interface with them.（F ）14．If a computer's bios allows it, you can boot from a CD-Rom.（T ）15．A byte consists of 8 bits and a word consists of 16 bits.（F ）16．A virus can mimick just about any hardware symptoms you can think of.（T ）17．Memory provided by RAM (random access memory) chips is volatile.（T ）18．The processor uses permanent storage, sometimes called secondary storage, to hold both data and instructions while it is processing them.（F ）19．Each OS provides one or more methods and media to use if booting from the hard drive fails.（T ）20．Backplane systems do not use a true motherboard.（T ）21．Line conditioners, like surge suppressors, provide no protection against a total blackout (complete loss of power).（T ）22．Chipsets generate more heat than a processor does. （F ）23．A functional read/write head at the ends of the read/write arm on a hard drive should actually touch the platter. （F ）24．A memory cache is a small amount of RAM that is much faster than the rest of RAM.（T ）25．When you change a DIP switch setting, use a graphite pencil to push the switch.（F ）26．The startup password stored in CMOS RAM is the same as the OS user password.（F ）27．When selecting a processor to install in a particular motherboard, select a processor the board supports.（T ）28．Serial ports are almost always female ports, and parallel ports are almost always male ports.（F ）29．Intel’s first 64-bit processors for microcomputers are the Itaniums.（T ）30．A Brand-Name PC usually costs more than a clone , but generally provides better after-sales service.（T）31．Xon/Xoff is an in-band flow control method that does not require hardware handshaking signals such as RTS and CTS.（T ）32．A tape drives is not a Mass storage device. （F）33．For a IDE device,when it's jumper pin is set as a slave-drive configuration,that means itis the only device on this IDE channel.（F ）34．The goal of Multimedia on a PC is to create or reproduce lifelike representations of sight and sound.（T ）35．For PC，most hard drives use SCSI standards.（F ）36．The command ScanDisk can be used to correct cross-linked and lost clusters.（T ）37．A C-RIMM or RIMM must be installed in every RIMM slot on a montherboard.（T ）38．When using even parity, the parity bit is set to 1 if the number of ones in a given set of bits (not including the parity bit) is odd, making the number of ones in the entire set of bits (including the parity bit) even.（T ）39．The 6-pin IEEE1394 cable provides voltage to the device form the PC.（T ）三、填空题1．In most cases, the UART chip also sends one stop bit to indicate that the character is complete.2．The video data coming from the DVD drive must be decoded before being sent to the monitor.3．A(n) ______ modem________ is a device used by a PC to communicate over a phone line.4．An 8-bit sound card uses a sample size of 256 .5．The root directory table contains a fixed number of rows to accommodate a predetermined number of files and subdirectories.6．SCSI drives communicate with the CPU through the SCSI host adapter, while IDE drives communicate directly on the system bus .7．Using the FAT file system, a(n) _____cluster__________, sometimes called a file allocation unit, is a group of sectors that is the smallest unit on a disk that the OS uses to hold a file or a portion of a file.8．_____Serial_______________ A TA standards use a serial data path rather than the traditional parallel data path.9．A(n) ____track________________ is a circle on a disk surface that is divided into segments called sectors.10．BIOS performs ___POST (power-on self-test) _________________ at the beginning of the boot to verify that essential hardware devices are working.11．The word _________ergonomic___________ means “designed for safe and comfortable interaction between human beings and machines.”12．Using the FAT file system, a(n) ________cluster____________, sometimes called a file allocation unit, is a group of sectors that is the smallest unit on a disk that the OS uses to hold a file or a portion of a file.13．________Parity____________ refers to an error-checking procedure in which either every byte has an even number of ones or every byte has an odd number of ones. 14．Sound is converted from analog to digital storage by first _________sampling___________ the sound and then digitizing it.15．The circuits that make up a bus carry four types of cargo: electrical power, control signals, memory addresses, and _____data_______________.16．The biggest disadvantage of using tape drives is that data is stored on tape by ________sequential____________ access.17．The classic case with four drive bays and six expansion slots that sits on your desk doing double duty as a monitor stand is called a(n) _______desktop_____________ case. 18．The _________faceplate___________ or I/O shield is a metal plate that comes with the computer case and fits over the ports to create a well-fitting enclosure for them.19．_____SIMD (single instruction, multiple data)_______________ is a process that allows the CPU to receive a single instruction and then execute it on multiple pieces of data rather than receiving the same instruction each time each time each piece of data is received. 20．A(n) _______track_____________ is a circle on a disk surface that is divided into segments called sectors.21．PCI controller manages system resources for all PCI cards.22．The first 32-bit bus for PCs is Microchannel Architecture (MCA) .23．ATX uses a single P1 Power connection,but A T type motherboards use P8 and P9 power connection.24．Resolution is the number of spots,or pixels,on a screen that can be addressed by software.25．The System Clock keeps beat for motherboard activities and it's frequency is measured in megahertz (MHz).26．When troubleshooting PC hardware problems, a multimeter can be used to measure continuity.27．System Resources include Memory addresses, I/O addresses , Interrupt request numbers (IRQs) and Direct memory access (DMA) channels.28．All communication,storage,and processing of data inside a computer are in binary until presented as output to the user.29．The standard input device is Keyboard .30．The USB controller has a single IRQ line that it raises when any USB device needs attention.。