In 8086 Carry flag, Parity flag, Auxiliary carry flag, Zero flag, Overflow flag, Trace flag, Interrupt flag, Direction flag, and Sign flag.
basically there r two types of interrupti.e.internal and external interrupts.internal interrupts are software inetrrupts which can maskable or nonmaskable where as external interrupts are due to some hardware reset,and are non maskable.
Which hardware component controls serial port communications? A. ROM BIOS B. CPU C. DMA823 D. UART 16550 E. None of the above
A Type 1 PCMCIA card is A. The same physical size as other PCMCIA cards but configured differently B. The thinnest PCMCIA card, measuring 3.5mm in thickness C. The thickest PCMCIA card, measuring 10.5mm in thickness D. An old standard that is not compatible with the newest laptops E. None of the above
You have a 15 pin female connector with the pins in two rows. What could you connect with this? A. Serial device B. Parallel device C. MIDI device D. Video device E. Joystick
What command is used to hand up a MODEM when using the "AT Answer Command set"? A. ATZ B. ATD C. ATR D. ATH E. None of the above
What command is used to reset a MODEM when using the A. ATR B. ATZ C. DTR D. DCE E. None of the above
Why does a successfully mapped network drive disappear every time you boot the computer? A. The computer you are connected to has moved B. You didn't click reconnect on log on C. The map statement is not in the autoexec.bat file D. The last drive was not set correctly E. None of the above
Modems use _____ transmission. A. Synchronous B. Asynchronous C. Timed interval D. PPP E. None of the above
You run a super wing-ding diagnostic program on your PC, and it reports that your hard drive, microprocessor, RAM, and video card have seen better days. To resolve this problem you should A. replace each part one at a time, rerunning the diagnostic before replacing the next part. B. check to see if you have a software problem C. replace everything at once and rerun the diagnostic D. get another copy of the diagnostic program E. run an exhaustive memory check
During the boot process, a system first counts memory from where? A. Expansion memory board B. Video adapter C. System board D. Cache E. None of the above
After you service a laser printer, you notice dirty print. Which of the following would correct the problem. A. Clean the developer tank B. Reset the printer C. Run several blank pages D. Clean the laser diode E. None of the above
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