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Hassan
1.If the voltage on pin 1 of the power supply is not in the range of _____ volts, the PC will not boot.
A. 20-Oct
B. 5-Jan
C. 50 - 110
D. 20-Oct
2.What are the most likely conditions for ESD?
A. Hot and dry
B. Hot and wet
C. Cold and dry
D. Hot and dry
3.What is the i/o address for com3?
A. 3.00E+08
B. 345
C. ff8
D. 3.00E+08
4.The following process determines the amount of memory present, the date/ time, and which communications ports and display adapters are installed in a microcomputer?
A. Start-up utility test
B. Power on Self Test
C. Power up boot process
D. Start-up utility test
5.In the DOS memory model, the HIGH Memory Area (HMA). is the _____ memory.
A. Last 64k of conventional
B. Last 64k of extended
C. First 64k above conventional
D. Last 64k of conventional
6.COM1 is typically represented by which of the following?
A. 15 pin port
B. 9 pin male port
C. 9 pin female port
D. 15 pin port
7.A PC with a 486DX2 processor runs internally at 50Mhz. What speed would its external logic be running?
A. l0Mhz
B. 25Mhz
C. 50Mhz
D. l0Mhz
8.A capacitor is measured in which of the following units?
A. Volts
B. Ohms
C. Farads
D. Volts
9.Which device uses a DMA channel?
A. Modem
B. Network Card
C. Sound Card
D. Modem
10.Which REQUIRES an anti-static bag for transport?
A. Monitor
B. Floppy disks
C. Power supply
D. Monitor
11.Static electricity thrives is which type of environment?
A. cold and humid
B. warm and humid
C. warm and dry
D. cold and humid
12.ESD potential decreases with the use of:
A. De-ionizing fans
B. A wrist strap
C. Rubber gloves with matching cap
D. De-ionizing fans
13.With a dot matrix printer, light then dark print is most commonly caused by:
A. Erratic paper advancement
B. Erratic ribbon advancement
C. Misalligned print head
D. Erratic paper advancement
14.How many DMA channels are there in an AT class PC?
A. 3
B. 4
C. 7
D. 3
15.A wrist grounding strap contains which of the following:
A. Surge protector
B. Capacitor
C. Voltmeter
D. Surge protector
16.Every video card must have?
A. CMOS
B. RAM
C. CPU
D. CMOS
17.Which common bus specification provides the fastest data transfer rate?
A. VL bus
B. ISA
C. PCI
D. VL bus
18.Modems use transmission.
A. synchronous
B. asynchronous
C. timed interval
D. synchronous
19.A 6xx indicates a problem with the:
A. floppy drive
B. hard drive
C. keyboard
D. floppy drive
20.A sound card typically uses which IRQ?
A. 6
B. 5
C. 15
D. 6
21.During preventative maintenance on a dot matrix printer, do NOT lubricate:
A. Platen assembly
B. Print head pulley
C. Print head pins
D. Platen assembly
22.You see the message "invalid media device" after installing a new hard drive. What do you do next?
A. Format
B. Fdisk
C. Partition
D. Format
23.What is the modem hang up command?
A. ATHU
B. ATH
C. ATZ
D. ATHU
24.What expansion types do most pll/plll motherboards support?
A. MCA, PCI
B. ISA, EISA
C. ISA, PCI, AGP
D. MCA, PCI
25.An IRQ allow interface cards to:
A. Interrupt the CPU to request service
B. Pass data to the CPU to be processed
C. Pass data from one card to another
D. Interrupt the CPU to request service
26.One of the major components of a PC is the Central Processing Unit (CPU) which can be best described as:
A. The device that sends the monitor signals telling it what to display
B. The area that regulates all of the system power usage
C. The area where ail the of the Basic input/output routines are stored
D. The device that sends the monitor signals telling it what to display
27.What is the i/o address for com2?
A. 2vb
B. 2f8
C. 8f8
D. 2vb
28.The ESD wrist strap is designed to protect PC Components or Service Technicians ?
A. PC Components
B. Service Technicians
C. Both
D. PC Components
29.The floppy drive uses which DMA (direct memory access) channel?
A. 5
B. 4
C. 1
D. 5
30.The DC voltage on most circuit boards is:
A. -12 volts
B. 0 volts
C. +5 volts
D. -12 volts
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