Computer which can perform quadrillion instruction per second is termed as
Answer: A
Correct answer: Supercomputer
A machine measured in quadrillions of operations per second - petaflops - is a supercomputer. A PLC is an industrial controller and a personal computer is several orders of magnitude slower.
Please log in or register to report this question.
What expansion types do most pll/plll motherboards support?
Answer: C
Correct answer: ISA, PCI, AGP
Pentium II and III boards carry ISA for legacy cards, PCI for general expansion and a single AGP slot for the graphics card. MCA and VESA local bus belong to earlier generations.
Please log in or register to report this question.
During the fusing process, toner is:
Answer: D
Correct answer: melted into the paper
The fuser applies heat and pressure, so the toner is melted into the fibres of the paper and bonds as it cools. Before fusing the toner is held only electrostatically and rubs off.
Please log in or register to report this question.
The digital multimeter is set for DC, Ohm and 20k. You will read _____ while measuring a good 2 amp fuse.
Answer: A
Correct answer: 0.00
A good fuse is a piece of wire, so its resistance is effectively zero and the meter reads 0.00 on a 20k range. A blown fuse would read as an open circuit.
Please log in or register to report this question.
Which device uses a DMA channel?
Answer: C
Correct answer: Sound Card
A sound card moves a continuous stream of samples to and from memory, which is exactly what DMA is for: the transfer proceeds without the processor handling each sample.
Please log in or register to report this question.
What Does EISA stand for?
Answer: A
Correct answer: Extended Industry Standard Architecture
EISA is the 32-bit extension of the ISA bus, designed by a consortium as an answer to IBM's proprietary MCA, and it accepts ISA cards in its deeper slots.
Please log in or register to report this question.
The 34-pin connection on an I/O card is for?
Answer: A
Correct answer: Floppy drive
The 34-pin connector is the floppy interface; IDE drives use 40 pins and SCSI 50 or more.
Please log in or register to report this question.
The ESD wrist strap is designed to protect PC Components or Service Technicians ?
Answer: C
Correct answer: Both
The strap protects the components from the static the technician carries, and the resistor in it protects the technician by limiting the current that could flow to earth through the body.
Please log in or register to report this question.
A numeric error code check: A 17xx indicates a problem with:
Answer: D
Correct answer: hard drive or controller
In the IBM POST numbering each range belongs to a subsystem, and 17xx is the fixed disk. 1xx is the system board, 2xx memory and 6xx the floppy drive.
Please log in or register to report this question.
Which Motherboard form factor uses one 20 pin connector
Answer: A
Correct answer: ATX
The ATX board takes a single 20-pin power connector, replacing the two 6-pin P8 and P9 connectors of AT boards that could be fitted the wrong way round.
Please log in or register to report this question.
