CNM 232 MIDTERM EXAM REVIEW Questions And Correct Answers

CNM 232 MIDTERM EXAM REVIEW Questions And Correct Answers ATA - answerAn acronym for Advanced Technology Attachment; the disk drive standard commonly known as Integrated Drive Electronics (IDE). biometrics - answerthe science and technology of authenticating a person's identity by measuring physiological features BIOS - answerAn acronym for basic input/output system; the set of essential software routines that test a PC at start up and start the OS bus - answerthe set of hardware lines used to transfer data among the components of a PC cable modem - answerA device that sends and receives data through coaxial cables. CRT - answerAn acronym for cathode ray tube; the basis for the standard PC display screen. digital camera - answerA type of camera that stores photographic images electronically rather than on film digital video camera - answera camera that captures and stores images on a digital medium(also known as a camcorder) EEPROM - answerAn acronym for electrically erasable programmable read-only memory; a type of EPROM that can be erased with an electrical signal. electrostatic discharge (ESD) - answerThe discharge of static electricity from an outside source— such as human hands—into an integrated circuit, often damaging the circuit. EPROM - answerAn acronym for erasable programmable read-only memory; a type of memory chip that can be reprogrammed after manufacture. eSTATA - answeran external connector that provides fast data transfer for external SATA hard drives ©SIRJOEL EXAM SOLUTIONS 10/14/2024 11:14 PM expansion card - answerA circuit card that is plugged into a PC's bus to add extra functions. fingerprint scanner - answerA scanner that reads human fingerprints for comparison to a database of stored fingerprint images. FireWire - answera PC and digital video serial bus interface standard offering high speed communications(FireWire is also known as IEEE 1394) firmware - answersoftware routines stored in read-only memory(ROM) flyback transformer - answerA transformer in a CRT monitor that generates up to 20,000 volts. form factor - answerThe physical size and shape of a device. The term is often used to describe the size of PC cases. guest operating system - answerthe operating system running within a virtual machine hard drive - answera device that reads data from and writes data to one or more inflexible platters heat sink - answerA device that absorbs and dissipates heat created by an electronic device, such as a microprocessor. host operating system - answerAn operating system running on a physical machine that executes virtualization software. IDE controller - answera disk drive standard, known as Integrated Drive Electronics (also see ATA) LCD - answeran acronym for liquid crystal display; a type of display that uses a liquid compound with a polar molecular structure sandwiched between two transparent electrodes memory - answeran area where data can be stored and retrieved microprocessor - answera central processing unit (CPU) on a single chip modem - answershort for modulator/demodulator; a communications device that enables a PC to transmit data standard telephone line mouse - answera common pointing device Network Interface Card (NIC) - answeran expansion card used to connect a computer to a local area network optical drive - answera disk drive that reads and may write data to optical (compact) discs ©SIRJOEL EXAM SOLUTIONS 10/14/2024 11:14 PM PATA - answeran acronym for Parallel Advanced Technology Attachment. PATA is the same as ATA, which was renamed when SATA was introduced PCI Express (PCIe) - answera connector on a system board that provides 1 to 16 interface lanes, this slot saves space on the system board PCI slot - answera connector on a system board used to insert an adapter card PROM - answeran acronym for programmable read-only memory RAM - answeran acronym for random access memory; semiconductor memory that can be read or written by the microprocessor or other devices register - answera small amount of high-speed memory ROM - answeran acronym for read-only memory; a semiconductor circuit in which data is permanently installed by the manufacturer RS-232 - answeran industry-accepted standard for serial communications SATA - answeran acronym for Serial Advanced Technology Attachment, which transfers data serially to and from the hard drive SCSI - answeran acronym for small computer interface, used to connect SCSI devices to PCs Sound adapter - answeran expansion card that supports the recording and playback of sound system board - answerthe main circuit board that contains a PC's primary components tape drive - answera device for reading and writing data on magnetic tape touch pad - answera pointing device that responds to movement of a finger on a surface. touch screen - answera screen that allows you to provide input by touching it with a finger or stylus trackball - answera pointing device with a stationary housing that contains a ball you roll with your hand Universal Serial Bus (USB) - answera serial bus that connects devices to a PC. USB supports hot plugging. USB drive - answera small, portable flash memory card that plugs into a computer's USB port and functions as a portable hard drive