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This section includes 290 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.
201. |
You are testing the resistance in Ohms of a fuse on a 2 amp systems. If the fuse is good, the meter should read? |
A. | 2 |
B. | 5 |
C. | 0 |
D. | 0.2 |
Answer» D. 0.2 | |
202. |
COM 4 uses which I/O port? |
A. | 2F8H |
B. | 3F8H |
C. | 3E8H |
D. | 2E8H |
Answer» E. | |
203. |
You just installed a new IDE hard drive, but your system BIOS will not recognize the new drive, what should you check first. |
A. | cable sequence |
B. | jumpers on the hard drive |
C. | drivers that need to be loaded |
D. | hard drive manufacturer web site information |
Answer» C. drivers that need to be loaded | |
204. |
To install a second IDE drive into a computer, you must: |
A. | Set the master-slave jumper to slave on the second drive |
B. | Use the IDE configuration software to set the new drive as slave |
C. | Verify that you define the new drive as D: in the CMOS setup |
D. | Verify that you attach the drive to the connector at the end of the ribbon cable |
Answer» B. Use the IDE configuration software to set the new drive as slave | |
205. |
Whenever you have a hardware resource conflict, it will more likely be an IRQ conflict rather than an i/o conflict because: |
A. | there are a lot more I/O addresses than IRQs. |
B. | the BIOS sometimes has more of a problem controlling IRQs |
C. | I/O addresses cannot conflict |
D. | software tends to correct I/O conflicts |
Answer» B. the BIOS sometimes has more of a problem controlling IRQs | |
206. |
Topically, how many type III PC cards can you insert in a laptop |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» B. 2 | |
207. |
When not in use, it is very important to keep 5 VA diskettes in _____. |
A. | Their protective sleeves |
B. | In a plastic bag |
C. | On a shelf in an upright position |
D. | In the floppy drive |
Answer» B. In a plastic bag | |
208. |
To view any currently running Terminate Stay Resident (TSR's) programs you could type: |
A. | Memory |
B. | MEM |
C. | SYS /M |
D. | Memmaker |
Answer» C. SYS /M | |
209. |
What device prevents power interruptions, resulting in corrupted data? |
A. | Battery back-up unit |
B. | Surge protector |
C. | Multiple SIMMs strips |
D. | Data guard system |
Answer» B. Surge protector | |
210. |
You were installing an application in Windows 95, and the computer crashes, what do you do? |
A. | press alt + Ctrl + delete, twice |
B. | press alt + Ctrl + delete, and end task |
C. | press the reset button on the computer |
D. | turn off computer and boot from a floppy disk |
Answer» E. | |
211. |
The floppy drive uses which DMA (direct memory access) channel? |
A. | 5 |
B. | 4 |
C. | 1 |
D. | 9 |
Answer» E. | |
212. |
During boot-up, the memory test: |
A. | Is a superfluous step that should be ignored |
B. | Checks and verifies that contiguous memory is installed |
C. | Is an operational error |
D. | Displays what memory is installed, but nothing else |
Answer» C. Is an operational error | |
213. |
What beep codes could indicate a system board or power supply failure? |
A. | steady short beep |
B. | no beep |
C. | one long continuous beep tone |
D. | steady long beeps |
Answer» E. | |
214. |
When seeking to upgrade for a particular motherboard what do you need to know? |
A. | memory |
B. | hard drive |
C. | make & model |
D. | dimm |
Answer» D. dimm | |
215. |
When installing a SCSI CD-ROM drive, you must set the CD-ROM SCSI adapter to: |
A. | B0007 |
B. | An unused SCSI address |
C. | The same address as the SCSI device before the CD-ROM |
D. | SCSI ID=1 |
Answer» C. The same address as the SCSI device before the CD-ROM | |
216. |
After doing a low-level format, what would be the next step in configuring the hard drive in a system? |
A. | Format DOS partition |
B. | Install operating system |
C. | Configure DMA channel and back-up interrupt |
D. | Partition had disk |
Answer» B. Install operating system | |
217. |
An important first step in troubleshooting which component in a laser printer is causing a jam is to: |
A. | note where in the paper path the paper stops |
B. | check all voltages |
C. | look up error codes |
D. | turn the printer off, then on again |
Answer» B. check all voltages | |
218. |
Which of the following items would require you t.o comply with EPA disposal guidelines? |
A. | Keyboard |
B. | System board |
C. | Power supply |
D. | Battery |
Answer» E. | |
219. |
14.4 modem should transmit _____ bits per second |
A. | 14,400-15,000 |
B. | 140-150 |
C. | 1400-1500 |
D. | 140,000-150,000 |
Answer» B. 140-150 | |
220. |
What component would most likely cause a "parity error"? |
A. | bad hard disk |
B. | bad controller |
C. | bad RAM |
D. | bad software |
Answer» D. bad software | |
221. |
How many devices can be used on a single SCSI bus? Keep in mind that the SCSI host adapter counts as a device. |
A. | 1 |
B. | 8 |
C. | 20 |
D. | 10 |
Answer» C. 20 | |
222. |
IDE cables have how many pins? |
A. | 25 |
B. | 50 |
C. | 100 |
D. | 40 |
Answer» E. | |
223. |
What tool is used to test serial and parallel ports? |
A. | high volt probe |
B. | cable scanner |
C. | loop backs (wrap plugs) |
D. | sniffer |
Answer» D. sniffer | |
224. |
In inkjet printers, what is the most common problem with the paper tray? |
A. | inconsistent printing |
B. | malfunctioning pick-up rollers |
C. | misalignment of the sheet feeder |
D. | paper jamming on the ink cartridge |
Answer» C. misalignment of the sheet feeder | |
225. |
What is the main communication method from one PDA to another PDA? |
A. | IR |
B. | USB |
C. | RS-232 |
D. | IEEE 1394 |
Answer» B. USB | |
226. |
Which provides the fastest access to large video files? |
A. | Optical drives |
B. | IDE hard drives |
C. | SCSI hard drives |
D. | EIDE hard drives |
Answer» D. EIDE hard drives | |
227. |
Which best describes a fragmented hard drive: |
A. | The platters are bad |
B. | Data files are corrupted |
C. | Clusters of data are damaged |
D. | Files are not stored in consecutive clusters |
Answer» E. | |
228. |
A 25-pin female connector on the back of your computer will typically be: |
A. | Serial port 1 |
B. | A parallel port |
C. | Docking |
D. | COM2 port |
Answer» C. Docking | |
229. |
A sound card typically uses which IRQ? |
A. | 6 |
B. | 5 |
C. | 15 |
D. | 1 |
Answer» C. 15 | |
230. |
What's the best way to prevent damaging your PC with static electricity? |
A. | place your PC on a rubber mat |
B. | wear leather soled shoes |
C. | periodically touch a safe ground point on the PC to discharge yourself |
D. | static electricity doesn't really hurt a PC |
Answer» E. | |
231. |
_____ help prevent power surges. |
A. | Surge suppressor |
B. | Spike protector |
C. | UPS system |
D. | High-grade multi-meter |
Answer» B. Spike protector | |
232. |
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 |
Answer» D. Clean the laser diode | |
233. |
How can you totally protect a PC from damage during an electrical storm? |
A. | Disconnect the AC power cable |
B. | Disconnect all external cables and power cords |
C. | Use a surge protector |
D. | Turn off the AC power |
Answer» B. Disconnect all external cables and power cords | |
234. |
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 |
Answer» D. Clean the laser diode | |
235. |
A workstation has just been installed on an Ethernet LAN, but cannot communicate with the network. What should you check first? |
A. | reinstall the network protocols |
B. | reinstall the network interface card driver |
C. | verify the ip configuration on the workstation |
D. | verify the link status on the computer's network card |
Answer» E. | |
236. |
Which of the following FRUs would be considered both an input/output device? |
A. | Video board |
B. | SCSI host adapter |
C. | System board CPU |
D. | All of the above |
Answer» C. System board CPU | |
237. |
Voltage is measured: |
A. | in parallel |
B. | in series |
C. | after breaking the circuit |
D. | after checking resistance |
Answer» B. in series | |
238. |
You have just installed a new internal PCI modem on you desktop. It will not dial out. what is the problem? |
A. | The port speed is set too high |
B. | the modem has not been set up in control panel properties |
C. | the phone line is plugged into the line-in port on the modem card |
D. | the phone line out of the wall is plugged into the phone port on the modem card |
Answer» E. | |
239. |
What are the IRQ's for sound card? |
A. | IRQ8 |
B. | IRQ4 |
C. | IRQ5 |
D. | IRQ7 |
Answer» D. IRQ7 | |
240. |
In which mode can two or more applications be stored in memory at the same time? |
A. | Segmented Mode |
B. | Unprotected Mode |
C. | Real Mode |
D. | Protected Mode |
Answer» E. | |
241. |
Which peripheral port provides the FASTEST throughput to laser printers? |
A. | RS-232 |
B. | SCSI |
C. | Parallel |
D. | Serial |
Answer» D. Serial | |
242. |
What voltage does a Pentium system use? |
A. | +12 volts |
B. | + 5 volts |
C. | + 8 volts |
D. | +3.3 volts |
Answer» E. | |
243. |
Which type of system board is the MOST likely candidate for processor upgrading if you want maximum performance and future compatibility? |
A. | ML |
B. | PCI |
C. | ISA |
D. | EISA |
Answer» C. ISA | |
244. |
Your CD-ROM audio cable connects to the: |
A. | speaker |
B. | sound card (or motherboard if sound is integrated with it) |
C. | power supply |
D. | hard drive |
Answer» C. power supply | |
245. |
A 6xx indicates a problem with the: |
A. | floppy drive |
B. | hard drive |
C. | keyboard |
D. | CD ROM |
Answer» B. hard drive | |
246. |
What is the result of adding an IP address to the DNS server search order |
A. | It restricts browsing to that DNS server |
B. | It overrides the local systems IP address |
C. | It tells the DNS Server where the local system is located |
D. | It tells the local system where the DNS Server is located |
Answer» E. | |
247. |
ESD would cause the most damage to which component? |
A. | Power supply |
B. | Expansion board |
C. | Monitor |
D. | Keyboard |
Answer» C. Monitor | |
248. |
IBM's Micro Channel Architecture (MCA) specifies which type of the following bit access widths? |
A. | 8 bit & 16 bit |
B. | 16 bit & 24 bit |
C. | 16 bit & 32 bit |
D. | 32 bit & 64 bit |
Answer» D. 32 bit & 64 bit | |
249. |
During preventative maintenance on a dot matrix printer, do NOT lubricate: |
A. | Platen assembly |
B. | Print head pulley |
C. | Print head pins |
D. | Paper advance gear bushings |
Answer» D. Paper advance gear bushings | |
250. |
RS-232 is a standard that applies to: |
A. | serial ports |
B. | parallel ports |
C. | game ports |
D. | networks |
Answer» B. parallel ports | |