Which type of pc card (PCMCIA) slot will allow the insertion of a hard drive?
Answer: C
Correct answer: type III
A Type III card is 10.5 mm thick, enough to house a miniature hard disk. Type I at 3.3 mm holds memory and Type II at 5 mm modems and network cards.
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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.
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Before sending data, a modem sends a request to send signal, or RTS.
Answer: A
Correct answer: True
RTS, request to send, is raised by the sender to ask permission to transmit; the receiver answers with CTS. That exchange is the hardware handshake of RS-232.
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When a bearing in the power supply fan goes out, what should you replace?
Answer: D
Correct answer: power supply
The fan in a PC supply is inside a sealed unit carrying line voltage and large capacitors, so the whole power supply is replaced rather than opened. Its cost is far below the risk of working inside it.
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A PCMCIA measuring 10.5mm is what type?
Answer: D
Correct answer: type 3
PC Card thicknesses are 3.3 mm for Type I, 5 mm for Type II and 10.5 mm for Type III.
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What component would most likely cause a "parity error"?
Answer: C
Correct answer: bad RAM
The parity bit is written with each byte and checked on every read, so a mismatch means the stored bits have changed. That is a memory fault by definition.
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Whenever you have a hardware resource conflict, it will more likely be an IRQ conflict rather than an i/o conflict because:
Answer: A
Correct answer: there are a lot more I/O addresses than IRQs.
A PC has hundreds of free I/O addresses but only sixteen interrupt lines, several of them already taken by the keyboard, timer, floppy and disk controllers. Scarcity is what makes IRQ clashes the common case.
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You have just installed a new internal PCI modem on you desktop. It will not dial out. what is the problem?
Answer: D
Correct answer: the phone line out of the wall is plugged into the phone port on the modem
A modem has two identical sockets: line for the wall and phone for a handset. Interchanging them is the classic mistake, and the modem then hears nothing when it tries to dial.
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After you service a laser printer, you notice dirty print. Which of the following would correct the problem.
Answer: C
Correct answer: Run several blank pages
Loose toner left inside after servicing is carried out onto the first pages printed. Running a few blank sheets clears it, and costs nothing to try before anything is dismantled again.
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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.
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