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D. Passive cooling systems come in a variety of models, and some are very effective. The defining characteristic is that they do not use a fan or require a power source.

B. Compact discs have a capacity of approximately 700MB. Other CD standards support capacities of 650MB, 800MB, and 900MB.

A, C. The BIOS configures many hardware components and settings, such as system date and time, boot sequence, enabling and disabling devices, clock speeds, virtualization support, and BIOS security.

B, C. 64-bit SODIMMs come in 144-pin SDR, 200-pin DDR and DDR2, and 204-pin DDR3 varieties. DDR DIMMs have 184 pins, and DDR2 and DDR3 DIMMS have 240 pins.

A. The typical increasing order of capacity and distance from the processor die is L1 cache, L2 cache, L3 cache, RAM, and HDD/SSD. Currently, there is no L4 cache.

A. The picture shows a 20-pin ATX connector, which provides the motherboard with power.

A, D. A pin grid array (PGA) socket has holes to receive the pins that are on the CPU. The land grid array (LGA) is a newer technology that places the delicate pins on the motherboard instead of on the CPU.

C. To calculate the FSB speed from the RAM module name, divide by 8. In this case, that makes the FSB 1333MHz (accounting for a bit of rounding).

C. Organic light-emitting diode (OLED) displays can be made to be flexible, whereas other displays cannot.

C. A duplexing assembly is used for two-sided printing. After the first page is printed, it’s fed into the duplexing assembly, turned over, and fed back into the paper feed assembly.

C. The printer’s logic circuitry and motors require low voltages, between +5VDC and +24VDC. The DC power supply (DCPS) converts house current into three voltages: +5VDC and –5VDC for the logic circuitry and +24VDC for the paper-transport motors. This component also runs the fan that cools the internal components of the printer.

D. The top module is DDR3, and the bottom one is DDR2. Both have 240 pins and a single keying notch. The DDR3 notch is off-center.

D. Never ship a printer anywhere with a toner cartridge installed! The jostling that happens during shipping could cause toner to spill out of the cartridge and all over the inside of the printer. Remove the toner cartridge first. You can put it in a sealed, airtight bag to ship if needed.

D. Linear Tape-Open is the newest and highest-capacity tape storage technology. LTO 7, released in 2015, has an uncompressed capacity of 6TB per tape. LTO 6 had an uncompressed capacity of 2.5TB. QIC tapes can often store around 1GB. DLT can store up to 800GB, and DAT can store up to 300GB.

A. Most internal video adapters today are PCIe cards. You might still find older PCI or AGP cards on the market as well. ISA is a legacy expansion slot type not used today. VGA and DVI are types of monitor connectors but not expansion slot types.

D. The order of steps is processing, charging, exposing, developing, transferring, fusing, and cleaning.

A, B. Apple created Bonjour and AirPrint.

D. Before you print to an inkjet printer, you must ensure that the device is calibrated. Calibration is the process by which a device is brought within functional specifications. For example, inkjet printers need their print heads aligned so that they print evenly and don’t print funny-looking letters and unevenly spaced lines.