Explore topic-wise MCQs in Engineering.

This section includes 4320 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.

3101.

ARP (Address Resolution Protocol) is

A. a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address
B. a TCP/IP high level protocol for transferring files from one machine to another
C. a protocol used to monitor computers
D. a protocol that handles error and control messages
E. None of the above
Answer» B. a TCP/IP high level protocol for transferring files from one machine to another
3102.

The 802.5 standard implements a way for preventing collisions on the network. How are collisions prevented when using this standard?

A. CSMA/CD
B. Token passing
C. Collision detection
D. Time sharing
E. Switched repeaters
Answer» C. Collision detection
3103.

A communication network which is used by large organizations over regional, national or global area is called

A. LAN
B. WAN
C. MAN
D. Intranet
E. None of the above
Answer» C. MAN
3104.

Networks that follow the 802.5 standard appear to be in a star topology but are actually operating in what type of topology?

A. Linear bus
B. Modified star
C. Modified ring
D. Ring
E. Hybrid hub
Answer» E. Hybrid hub
3105.

The main difference between synchronous and asynchronous transmission is

A. the clocking is derived from the data in synchronous transmission
B. the clocking is mixed with the data in asynchronous transmission
C. the pulse height is different.
D. the bandwidth required is different
E. None of the above
Answer» B. the clocking is mixed with the data in asynchronous transmission
3106.

Information systems with common hardware, software, and network standards that provide easy access for end users and their networked computer systems. Select the best fit for answer:

A. TCP/IP
B. Protocol
C. Open Systems
D. Internetwork processor
Answer» D. Internetwork processor
3107.

The X.25 standard specifies a

A. technique for start-stop data
B. technique for dial access
C. DTE/DCE interface
D. data bit rate
E. None of the above
Answer» D. data bit rate
3108.

The most important part of a multiple DHCP configurations is to make sure you don't have which of the following in the different scopes? Select the best answer.

A. Duplicate addresses
B. Duplicate pools
C. Duplicate subnets
D. Duplicate default gateways
E. None of the above
Answer» B. Duplicate pools
3109.

The standard suit of protocols used by the Internet, intranets, extranets, and some other networks.

A. TCP/IP
B. Protocol
C. Open Systems
D. Internetwork processor
Answer» B. Protocol
3110.

Terminals are required for

A. realtime, batch processing, and timesharing
B. realtime, timesharing, and distributed processing
C. realtime, distributed processing, and manager inquiry
D. realtime, timesharing, and message switching
E. None of the above
Answer» E. None of the above
3111.

Which of the following summation operation is performed on the bits to check an error-detecting code?

A. Codec
B. Coder-decoder
C. Checksum
D. Attenuation
E. None of the above
Answer» D. Attenuation
3112.

A global network of millions of business, government, educational, and research networks; computer systems; database; and end users. Select the best fit for answer:

A. Internet works
B. The Internet
C. Internet revolution
D. Internet technologies
E. None of the above
Answer» C. Internet revolution
3113.

What does 192 translate to in binary?

A. 11000000
B. 00111110
C. 00001111
D. 00000011
E. None of the above
Answer» B. 00111110
3114.

A T-switch is used to

A. control how messages are passed between computers
B. echo every character that is received
C. transmit characters one at a time
D. rearrange the connections between computing equipment
E. None of the above
Answer» E. None of the above
3115.

If the ASCII character H is sent and the character I is received, what type of error is this?

A. single-bit
B. multiple-bit
C. burst
D. recoverable
Answer» B. multiple-bit
3116.

Which of the following statements is incorrect?

A. The difference between synchronous and asynchronous transmission is the clocking derived from the data in synchronous transmission
B. Half-duplex line is a communication line in which data can move in two directions, but not at the same time.
C. Teleprocessing combines telecommunications and DP techniques in online activities.
D. Batch processing is the preferred processing mode for telecommunication operations
E. None of the above
Answer» E. None of the above
3117.

An information utility can offer a user

A. instant bonds and stock quotations
B. news stories from wire services
C. complete airline schedules for all domestic flights
D. All of the above
E. None of the above
Answer» E. None of the above
3118.

Resistance is measured:

A. in parallel
B. in series
C. after breaking the circuit
D. after checking voltage
E. after checking current
Answer» D. after checking voltage
3119.

What resistance in ohms should be displayed when testing a speaker in a computer?

A. Q Ohms
B. 16 Ohms
C. -200 Ohms
D. Unlimited Ohms
E. None of the above
Answer» C. -200 Ohms
3120.

What are the IRQ's for sound card?

A. IRQ8
B. IRQ4
C. IRQ5
D. IRQ7
E. None of the above
Answer» D. IRQ7
3121.

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
E. None of the above
Answer» B. Disconnect all external cables and power cords
3122.

A form of modulation In which the amplitude of a carrier wave is varied in accordance with some characteristic of the modulating signal, is known as

A. Aloha
B. Angle modulation
C. Amplitude modulation
D. modem
E. None of the above
Answer» D. modem
3123.

A laser printer generates a totally black page, what is the cause?

A. malfunctioning imaging laser
B. low level in the toner cartridge
C. no power to transfer corona
D. no power to the primary corona
E. None of the above
Answer» E. None of the above
3124.

You must service the laser printer in your office. Which part of the printer shoud you avoid touching because it is hot?

A. fuser
B. printer head
C. primary corona
D. high-voltage power supply
E. None of the above
Answer» B. printer head
3125.

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
E. tfad system board
Answer» D. virus
3126.

A customer has just installed a new cd-rw. the system was working fine before the installation, but now the cdrom does not work, what should you suggest that the customer do?

A. flash or upgrade the BIOS
B. check the CONFIG.SYS
C. add cdrw in the device manager
D. check the jumper setting on the cd-rw
E. None of the above
Answer» E. None of the above
3127.

Which is the most difficult environmentally to dispose of?

A. floppy drives
B. hard drives
C. power supplies
D. CRTs
E. system boards
Answer» E. system boards
3128.

What is the best ground for a conductive work bench?

A. AC outlet
B. Ground to bench
C. To the motherboard
D. To the PC's Chassis
E. None of the above
Answer» B. Ground to bench
3129.

When you are testing a fuse, you should set the Volt-OHM meter to what scale?

A. AC
B. DC
C. AMPS
D. OHMS
E. None of the above
Answer» E. None of the above
3130.

The 34-pin connection on an I/O card is for?

A. floppy drive
B. SCSI drive
C. IDE drive
D. zip drive
E. None of the above
Answer» B. SCSI drive
3131.

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
Answer» C. replace everything at once and rerun the diagnostic
3132.

You can place an ISA device in an EISA slot.

A. True
B. False
Answer» B. False
3133.

Which provides the fastest access to large video files?

A. Optical drives
B. IDE hard drives
C. SCSI hard drives
D. EIDE hard drives
E. None of the above
Answer» D. EIDE hard drives
3134.

When you boot a PC and don't hear any beep, this could suggest which of the following?

A. The monitor is turned off
B. Keyboard not plugged in
C. Normal PC boot
D. Bad or disconnected speaker
E. None of the above
Answer» E. None of the above
3135.

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. Overheating print head
E. None of the above
Answer» C. Misalligned print head
3136.

How many DMA channels are there in an AT class PC?

A. 3
B. 4
C. 7
D. 8
E. None of the above
Answer» E. None of the above
3137.

Which hardware component controls serial port communications?

A. ROM BIOS
B. CPU
C. DMA823
D. UART 16550
E. None of the above
Answer» E. None of the above
3138.

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
Answer» C. The thickest PCMCIA card, measuring 10.5mm in thickness
3139.

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
Answer» D. Cache
3140.

A wrist grounding strap contains which of the following:

A. Surge protector
B. Capacitor
C. Voltmeter
D. Resistor
E. None of the above
Answer» E. None of the above
3141.

Which REQUIRES an anti-static bag for transport?

A. Monitor
B. Floppy disks
C. Power supply
D. I/O controller
E. None of the above
Answer» E. None of the above
3142.

Every video card must have?

A. CMOS
B. RAM
C. CPU
D. All of the above
E. None of the above
Answer» C. CPU
3143.

Static electricity thrives is which type of environment?

A. cold and humid
B. warm and humid
C. warm and dry
D. cold and warm
E. cold and dry
Answer» F.
3144.

What is the i/o address for com3?

A. 3e8
B. 345
C. ff8
D. 5e8
E. be8
Answer» B. 345
3145.

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
E. None of the above
Answer» C. Power up boot process
3146.

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
E. None of the above
Answer» E. None of the above
3147.

In addition to I/O port addresses, SCSI adapters also use a range of ROM addresses for their onboard BIOS.

A. True
B. False
Answer» B. False
3148.

What configuration should a Volt-Ohm meter he set to when testing a fuse?

A. DC volts
B. AC volts
C. Amperage
D. Ohms
E. None of the above
Answer» E. None of the above
3149.

What voltage does a 586 system use?

A. +12 volts
B. + 5 volts
C. + 8 volts
D. +3.3 volts
E. None of the above
Answer» C. + 8 volts
3150.

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
E. None of the above
Answer» C. misalignment of the sheet feeder