MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
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.
| 101. |
A dialog box with a bomb appears oh a Macintosh screen. What type of problem has occurred? |
| A. | A RAM problem |
| B. | A software problem |
| C. | A ROM problem |
| D. | An ADB problem |
| Answer» C. A ROM problem | |
| 102. |
RTS stands for: |
| A. | ready to start |
| B. | ready to switch |
| C. | request to send |
| D. | request to scan |
| Answer» D. request to scan | |
| 103. |
What command is used to hang up a MODEM when using the "AT Command set"? |
| A. | ATZ |
| B. | ATD |
| C. | ATR |
| D. | ATH |
| Answer» E. | |
| 104. |
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. | First 64k of extended |
| Answer» E. | |
| 105. |
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. | Power on start up process |
| Answer» C. Power up boot process | |
| 106. |
What is the most significant difference between the USB and IEEE1394 standards? |
| A. | IEEE 1394 is faster |
| B. | USB does not support USB |
| C. | USB is plug and play |
| D. | IEEE 1394 is hot swappable |
| Answer» B. USB does not support USB | |
| 107. |
What is the most likely cause of an "FDD controller Failure" error message? |
| A. | you did not set the jumper on the floppy drive to drive A |
| B. | you forgot to flash CMOS |
| C. | you installed the floppy disk drive cable backward |
| D. | your computer's floppy drive is defective |
| Answer» D. your computer's floppy drive is defective | |
| 108. |
During the fusing process, toner is: |
| A. | dry pressed into the paper |
| B. | electrically bonded to the paper |
| C. | melted into the paper |
| D. | glued to the paper |
| Answer» E. | |
| 109. |
What voltage does a 586 system use? |
| A. | +12 volts |
| B. | + 5 volts |
| C. | + 8 volts |
| D. | +3.3 volts |
| Answer» C. + 8 volts | |
| 110. |
You have a PC with no video* Which of the following is LEAST likely to be causing the problem? |
| A. | defective RAM (bank zero) |
| B. | defective microprocessor |
| C. | crashed hard drive |
| D. | loose video card |
| Answer» D. loose video card | |
| 111. |
What allows you to print on both sides of the printer? |
| A. | fuser |
| B. | duplexer |
| C. | toner cartridge |
| D. | paper-swapping unit |
| Answer» C. toner cartridge | |
| 112. |
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 all the of the Basic input/output routines are stored |
| D. | The area where all of the processing takes place |
| Answer» E. | |
| 113. |
A standard multimeter is ideal for measuring a monitors high voltage output. |
| A. | 1 |
| B. | |
| Answer» C. | |
| 114. |
A customer calls and says her computer won't boot, she can hear noises and can see lights on the box, but nothing comes up on the screen, what should you take to the site to fix the problem? |
| A. | hard drive |
| B. | video card |
| C. | power cable |
| D. | power supply |
| Answer» C. power cable | |
| 115. |
Which should you use for cleaning Mylar-protected LCD screens? |
| A. | Ammonia window cleaner |
| B. | Non-abrasive cleanser |
| C. | Anti-static wipes |
| D. | Alcohol-impregnated wipes |
| Answer» C. Anti-static wipes | |
| 116. |
In which mode can 2 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. | |
| 117. |
MSD exe does not have information on: |
| A. | cache |
| B. | video |
| C. | operation system |
| D. | com ports |
| Answer» B. video | |
| 118. |
The ESD wrist strap is designed to protect PC Components or Service Technicians ? |
| A. | PC Components |
| B. | Service Technicians |
| C. | All of the above |
| D. | None of the above |
| Answer» D. None of the above | |
| 119. |
What does the acronym RTS represent? |
| A. | Required to save |
| B. | Ready to start |
| C. | Request to send |
| D. | Right to separate |
| Answer» D. Right to separate | |
| 120. |
What is a common language that computers use to talk with one another on a network |
| A. | client |
| B. | adapter |
| C. | protocol |
| D. | operating systems |
| Answer» D. operating systems | |
| 121. |
What is the paper feeding technology most commonly associated with dot-matrix printers? |
| A. | sheet feed |
| B. | tractor feed |
| C. | friction feed |
| D. | manual feed |
| Answer» C. friction feed | |
| 122. |
Which I/O port belongs to LPT2? |
| A. | 378H |
| B. | 278H |
| C. | 3f8h |
| D. | 2e8h |
| Answer» C. 3f8h | |
| 123. |
What command is used to hand up a MODEM when using the "AT Answer Command set"? |
| A. | ATZ |
| B. | ATD |
| C. | ATR |
| D. | ATH |
| Answer» E. | |
| 124. |
WRAM is used on a |
| A. | modem |
| B. | video card |
| C. | motherboard |
| D. | ata connector |
| Answer» C. motherboard | |
| 125. |
When you are testing a fuse, you should set the Volt-OHM meter to what scale? |
| A. | AC |
| B. | DC |
| C. | AMPS |
| D. | OHMS |
| Answer» E. | |
| 126. |
On a dot-matrix printer, regular lube maintenance should be followed, but this component should never be lubed: |
| A. | Platten bearings |
| B. | Carriage rails |
| C. | Printhead |
| D. | Paper advance bearings |
| Answer» D. Paper advance bearings | |
| 127. |
The DC voltage on most circuit boards is: |
| A. | -12 volts |
| B. | 0 volts |
| C. | +5 volts |
| D. | +12 volts |
| Answer» D. +12 volts | |
| 128. |
What could cause a fixed disk error? |
| A. | No-CD installed |
| B. | Bad RAM |
| C. | Slow processor |
| D. | Incorrect CMOS settings |
| Answer» E. | |
| 129. |
Before sending data, a modem sends a request to send signal, or RTS. |
| A. | 1 |
| B. | |
| Answer» B. | |
| 130. |
How many bits in a byte? |
| A. | 16 |
| B. | 8 |
| C. | 255 |
| D. | 10 |
| Answer» C. 255 | |
| 131. |
Which controller would support an external CD-ROM drive? |
| A. | ESDI |
| B. | ARLL |
| C. | MFM |
| D. | SCSI |
| Answer» E. | |
| 132. |
During the normal PC boot process, which of the following is active first? |
| A. | RAM BIOS |
| B. | CMOS |
| C. | ROM BIOS |
| D. | Hard disk information |
| Answer» D. Hard disk information | |
| 133. |
What is the size of a sector? |
| A. | 512 bytes |
| B. | 256 bytes |
| C. | 512 Kb |
| D. | 1024 bytes |
| Answer» B. 256 bytes | |
| 134. |
You can have EISA and MCA devices in the same PC. |
| A. | 1 |
| B. | |
| Answer» C. | |
| 135. |
Capacitance is measured in units of: |
| A. | volts |
| B. | amps |
| C. | farads |
| D. | neutrinos |
| Answer» D. neutrinos | |
| 136. |
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 |
| Answer» C. replace everything at once and rerun the diagnostic | |
| 137. |
Which device should not be plugged into a standard ups? |
| A. | monitor |
| B. | laser printer |
| C. | ink-jet printer |
| D. | an external modem |
| Answer» C. ink-jet printer | |
| 138. |
You should never put floppy drives, hard drives, or even VCR tapes or cassette tapes on top of speakers (or near any other source of magnetism) because of: |
| A. | RFI |
| B. | EMI |
| C. | EXE |
| D. | FYI |
| Answer» C. EXE | |
| 139. |
In addition to I/O port addresses, SCSI adapters also use a range of ROM addresses for their onboard BIOS. |
| A. | 1 |
| B. | |
| Answer» B. | |
| 140. |
The standard IRQ for the floppy drive is? |
| A. | 9 |
| B. | 6 |
| C. | 10 |
| D. | All of the above |
| Answer» C. 10 | |
| 141. |
How is ink transferred to paper in common ink jet printers? |
| A. | Boiling ink |
| B. | Crystal |
| C. | Motorized pump |
| D. | Screens deflect ink on the paper into the proper positions |
| Answer» C. Motorized pump | |
| 142. |
Which provides the fastest data access time? |
| A. | RAM |
| B. | ROM |
| C. | CD-ROM |
| D. | Hard disk |
| Answer» B. ROM | |
| 143. |
Which type of pc card (PCMCIA) slot will allow the insertion of a hard drive? |
| A. | type I |
| B. | type II |
| C. | type III |
| D. | type IV |
| Answer» D. type IV | |
| 144. |
A capacitor is measured in which of the following units? |
| A. | Volts |
| B. | Ohms |
| C. | Farads |
| D. | Resistance |
| Answer» D. Resistance | |
| 145. |
How much video RAM is needed to display 1024x768 at 24-bit color? |
| A. | 1MB |
| B. | 4MB |
| C. | 8MB |
| D. | 512KB |
| Answer» C. 8MB | |
| 146. |
UART is a type of serial chip. Its letters stand for: |
| A. | unidirectional access regarding transmission |
| B. | universal asynchronous receiver/ transmitter |
| C. | upper advanced real transfer |
| D. | unable all restore t-bits |
| Answer» C. upper advanced real transfer | |
| 147. |
When configuring a new network interface card for installation, which of the following would be a valid I/O address? |
| A. | 378 |
| B. | 2F8 |
| C. | 3F8 |
| D. | 360 |
| Answer» E. | |
| 148. |
For a Macintosh to print successfully, the System Folder must contain: |
| A. | File sharing software |
| B. | A printer enabler |
| C. | The apple Garamond font set |
| D. | A printer driver |
| Answer» E. | |
| 149. |
In which phase of the laser printing process is a positive charge placed on the paper to pull the toner from the print drum? |
| A. | Writing |
| B. | Transferring |
| C. | Conditioning |
| D. | All of the above |
| Answer» C. Conditioning | |
| 150. |
What should you replace if the brightness or contrast adjustments were malfunctioning on a laptop? |
| A. | fuse |
| B. | led display |
| C. | adjustment switch |
| D. | led display cable |
| Answer» C. adjustment switch | |