MCQOPTIONS
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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.
| 51. |
When installing an internal modem, all of the following IRQ's can be used except? |
| A. | 5 |
| B. | 10 |
| C. | 14 |
| D. | All of the above |
| Answer» D. All of the above | |
| 52. |
IRQ6 is typically reserved for: |
| A. | The floppy |
| B. | The keyboard controller |
| C. | LPT2 |
| D. | The modem |
| Answer» B. The keyboard controller | |
| 53. |
Which DOS driver is used to emulate expanded memory? |
| A. | Himem.sys |
| B. | EMM386.exe |
| C. | Mem386.sys |
| D. | Ramdrive.sys |
| Answer» C. Mem386.sys | |
| 54. |
Type one PC cards: |
| A. | are used only in desktops |
| B. | are no longer being produced |
| C. | are the thinnest of the PC cards |
| D. | don't exist |
| Answer» D. don't exist | |
| 55. |
Modems use _____ transmission. |
| A. | Synchronous |
| B. | Asynchronous |
| C. | Timed interval |
| D. | PPP |
| Answer» C. Timed interval | |
| 56. |
You are installing an IDE hard drive that will be your boot drive. Which is the correct order of steps that need to be followed? |
| A. | jumper properly, auto-detect(or configure manually) in CMOS, low level format, high level format, partition |
| B. | jumper properly, auto-detect(or configure manually) in CMOS, partition, high level format with / s switch |
| C. | jumper properly, partition, auto-detect(or configure manually in CMOS, high level format with /s switch |
| D. | jumper properly, auto-detect in CMOS, regular format |
| Answer» C. jumper properly, partition, auto-detect(or configure manually in CMOS, high level format with /s switch | |
| 57. |
Which is the most difficult environmentally to dispose of? |
| A. | floppy drives |
| B. | hard drives |
| C. | power supplies |
| D. | CRTs |
| Answer» E. | |
| 58. |
You are about to install a second IDE hard drive in a PC that has only one IDE adapter. Your first hard drive will still be the boot drive. How should the second drive be configured? |
| A. | as a master |
| B. | as a secondary |
| C. | as a slave |
| D. | as a primary |
| Answer» D. as a primary | |
| 59. |
After installing a sound card, the system locks up when a parallel port tape backup unit is also used. What is most likely the problem? |
| A. | IRQ |
| B. | DMA |
| C. | defective LPT port |
| D. | defective tape driver |
| Answer» B. DMA | |
| 60. |
RS-232 is a standard that applies to? |
| A. | Parallel port |
| B. | Serial port |
| C. | Game port |
| D. | All of the above |
| Answer» C. Game port | |
| 61. |
What device protects against line deficiencies? |
| A. | Surge protector |
| B. | UPS |
| C. | Logic probe |
| D. | Capacitor |
| Answer» C. Logic probe | |
| 62. |
_____ is the term used to refer to the process of two modems establishing communications with each other. |
| A. | interacting |
| B. | handshaking |
| C. | connecting |
| D. | linking |
| Answer» C. connecting | |
| 63. |
A customer attached an external drive to his notebook computer but the computer is not recognizing it. What should be considered? |
| A. | The cables are attached firmly |
| B. | The external drive has been pre¬loaded with the appropriate software |
| C. | The external drive was attached before the computer was on |
| D. | The external drive is turned on |
| Answer» E. | |
| 64. |
Which values are held in CMOS for the hard drive |
| A. | size (heads, cylinders, sectors) |
| B. | IRQ |
| C. | Free space |
| D. | Virus alert |
| Answer» B. IRQ | |
| 65. |
Which type of system hoard 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 | |
| 66. |
Which device is on IRQ 6? |
| A. | Keyboard |
| B. | IDE |
| C. | Floppy drive |
| D. | Video card |
| Answer» D. Video card | |
| 67. |
What is the full form of EISA in Computer Hardware? |
| A. | Extended Industry Standard Architecture |
| B. | Expanded Industry Standard Architecture |
| C. | Enhanced Industry Standard Architecture |
| D. | Electronics Industry Standard Architecture |
| Answer» B. Expanded Industry Standard Architecture | |
| 68. |
Laser Jet printer speeds are measured in pages per minute (ppm) what do we use to measure dot-matrix printers? |
| A. | lines per inch |
| B. | lines per sheet |
| C. | characters per inch |
| D. | characters per second |
| Answer» E. | |
| 69. |
You are testing the resistance in Ohms of a fuse on a 2 amp system. If the fuse is good, the meter should read? |
| A. | 0 |
| B. | 0.2 |
| C. | 5 |
| D. | 2 |
| Answer» B. 0.2 | |
| 70. |
What is the i/o address for com1? |
| A. | 300000000 |
| B. | 3bc |
| C. | 5f8 |
| D. | 3f8 |
| Answer» E. | |
| 71. |
What is the file extension used by WIN95 to back up registry file when windows starts? |
| A. | .dat |
| B. | .dao |
| C. | .bak |
| D. | .tmp |
| Answer» C. .bak | |
| 72. |
Which would you do first when troubleshooting a faulty monitor? |
| A. | Check its connections to the computer and power source |
| B. | Use a meter to check the CRT and internal circuitry for continuity |
| C. | Power down the monitor, then turn it on again to see if that corrects the problem |
| D. | Power down the computer, then turn it on again to see if that corrects the problem |
| Answer» B. Use a meter to check the CRT and internal circuitry for continuity | |
| 73. |
To find out how much memory is available, you could type _____ |
| A. | EMM |
| B. | MEM |
| C. | CHKDSK |
| D. | MEMMAKER |
| Answer» C. CHKDSK | |
| 74. |
Which component must be vacuumed or replaced during preventative maintenance on a laser printer? |
| A. | Scanning mirror |
| B. | Toner cartridge |
| C. | Ozone filter |
| D. | All of the above |
| Answer» D. All of the above | |
| 75. |
An anti static strap uses a small _____ to make sure you do not become the least path of resistance to the ground? |
| A. | capacitor |
| B. | diode |
| C. | transistor |
| D. | resistor |
| Answer» E. | |
| 76. |
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 |
| Answer» C. The thickest PCMCIA card, measuring 10.5mm in thickness | |
| 77. |
During the boot process, a system first counts memory from where? |
| A. | Expansion memory board |
| B. | Video adapter |
| C. | System board |
| D. | Cache |
| Answer» D. Cache | |
| 78. |
Your IDE hard drive is not spinning up when you turn on the PC. What is the most likely problem. |
| A. | bad data cable |
| B. | incorrect jumper setting on drive |
| C. | loose molex connector |
| D. | virus |
| Answer» D. virus | |
| 79. |
When configuring is a network interface cards without jumpers or plug and play, what is used to set the IRQs? |
| A. | DMA |
| B. | CMOS |
| C. | the OS |
| D. | configuration software |
| Answer» E. | |
| 80. |
Which type of cable is most likely in use with rj-45 connectors? |
| A. | 10base2 |
| B. | 10base5 |
| C. | 10baseT |
| D. | 10baseFL |
| Answer» D. 10baseFL | |
| 81. |
Which component stores an electrical charge? |
| A. | diode |
| B. | rectifier |
| C. | capacitor |
| D. | resistor |
| Answer» D. resistor | |
| 82. |
Which device uses a DMA channel? |
| A. | Modem |
| B. | Network Card |
| C. | Sound Card |
| D. | All of the above |
| Answer» D. All of the above | |
| 83. |
How many devices does USB support? |
| A. | 127 |
| B. | 125 |
| C. | 100 |
| D. | 225 |
| Answer» B. 125 | |
| 84. |
How many IRQs does a chain of USB devices require? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 85. |
What would you ask to determine if the display is working? |
| A. | Is there a video cursor or action on the screen? |
| B. | Did the computer beep or chime? |
| C. | Is there high voltage static on the screen |
| D. | Is the brightness or contrast turned up or down? |
| Answer» E. | |
| 86. |
What can you use to ensure power is not interrupted, resulting in corrupted data? |
| A. | UPS |
| B. | Propergrounding |
| C. | Surge protector |
| D. | Sag protector |
| Answer» B. Propergrounding | |
| 87. |
If the voltage on pin 1 of the power supply is not in the range of _____ volts, the PC will not boot. |
| A. | 44105 |
| B. | 43586 |
| C. | 50 - 110 |
| D. | 15 - 25 |
| Answer» E. | |
| 88. |
Resistance is measured: |
| A. | in parallel |
| B. | in series |
| C. | after breaking the circuit |
| D. | after checking voltage |
| Answer» D. after checking voltage | |
| 89. |
ISDN uses _____ technology. |
| A. | only digital |
| B. | digital and analog |
| C. | only analog |
| D. | neither digital nor analog |
| Answer» B. digital and analog | |
| 90. |
If the memory slots have 30 pins then the chip is a? |
| A. | DIMM |
| B. | SIMM |
| C. | SDRAM |
| D. | All of the above |
| Answer» C. SDRAM | |
| 91. |
A modem could be attached to which port? |
| A. | Parallel port |
| B. | ASYNC port |
| C. | Keyboard connector |
| D. | Video port |
| Answer» B. ASYNC port | |
| 92. |
What IRQ is used for COM 2? |
| A. | 4 |
| B. | 3 |
| C. | 2 |
| D. | 1 |
| Answer» C. 2 | |
| 93. |
A parity error usually indicates a problem with: |
| A. | memory |
| B. | hard drive |
| C. | hard drive controller |
| D. | I/O controller |
| Answer» B. hard drive | |
| 94. |
You can place an ISA device in an EISA slot. |
| A. | 1 |
| B. | |
| Answer» B. | |
| 95. |
The POST routine, which counts system board RAM first, is stored in: |
| A. | RAM |
| B. | microprocessor |
| C. | ROM BIOS |
| D. | CMOS |
| Answer» D. CMOS | |
| 96. |
In laser technology, what happens during the transfer stage? |
| A. | Residual toner is transferred to the waste receptacle |
| B. | The laser transfers the image from the drum to the paper. |
| C. | The image is transferred from the drum to the paper |
| D. | A negative charge is transferred to the surface of the drum |
| Answer» D. A negative charge is transferred to the surface of the drum | |
| 97. |
On a leased line installation a known good external modem shows no carrier detect light. Where is the problem most likely to be? |
| A. | In the modem |
| B. | In the phone line |
| C. | In the computer |
| D. | In the DTC equipment |
| Answer» C. In the computer | |
| 98. |
Static electricity thrives is which type of environment? |
| A. | cold and humid |
| B. | warm and humid |
| C. | warm and dry |
| D. | cold and warm |
| Answer» E. | |
| 99. |
Which hardware component controls serial port communications? |
| A. | ROM BIOS |
| B. | CPU |
| C. | DMA823 |
| D. | UART 16550 |
| Answer» E. | |
| 100. |
Every video card must have? |
| A. | CMOS |
| B. | RAM |
| C. | CPU |
| D. | All of the above |
| Answer» C. CPU | |