CSIT Essentials - Semester 1 Study Guide Questions And Answers With Latest Quiz

Multimeter - A measuring utility for current, voltage, and resistance. Power Supply Tester - Multimeter for measuring voltages of power supply connectors. Cable Tester - An electrical utility that verifies if a signal is transmitted by a cable. Loopback Plug - Utility that assesses network communications by redirecting a signal Antistatic Pad/Wrist Strap - Provides insulated covering to prevent ESD. Utilized to ground yourself. Extension Magnet - Magnetic rod utilized to recover small screws that fall into a PC case. CMOS - Flash memory chips which store startup information and date and time. BIOS - Firmware utilized during the PC boot process. Device Driver - Software which provides instructions for device communication with the OS. DVI - 18, 22, or 24-pin connector which transmits analog and digital video signals; DVI-A: Analog. DVI-D: Digital. DVI-I: Integrated. HDMI - Rectangular-shaped connector with two bevels that transmits high-definition digital video and audio signals.VGA - D-shaped 15-pin connector which transmits analog video signals. Bluetooth - Wireless PAN technology that transmits signals over short distances between electronic devices. SATA - Interface for connecting storage devices like hard disks. Firewire - Transmits digital video signals such as audio, video, and control signals. USB - Most common computer port to connect keyboards, mice, and printers. power on self test - Firmware which ensures internal components and peripherals are installed and functional. AGP - Legacy port utilized to attach graphics cards in obsolete computers. PCIe - Expansion slot which utilizes serial communications and creates point-to-point link between devices with the I/O connector. KVM Switch - Device which permits the connection of a single I/O device to multiple computers. ExpressCard - An interface utilized to connect peripheral devices to a laptop. PCMCIA - Removable expansion card for a laptop. Peripherals - Input or output devices such as mice and keyboards. Inkjet Printer - Sprays ink through small holes to transfer words and images onto paper.Laser Printer - Focuses a laser beam to electrostatically transfer images onto paper. Toner - Powdered ink Utilized in a laser printer