Set 2- Information Technology General Knowledge Questions and Answers

Information technology general knowledge questions and answers give you more detailed knowledge of computer science. 

PART- TWO

QUESTION

Who is the founder of IBM Company, USA?

A. Dr. Herman Hollerith

B. Howard Aiken

C. Lee Deforest

D. J. Presper Eckert

Answer: A

Explanation: He founded the Tabulating Machine Company in 1886. The company later merged with other companies in 1924 and formed the International Business Machines (IBM) Corporation.

QUESTION

Which one is the first automatic electromechanical computer?

A. Atanasoft Berry Computer

B. ENIAC

C. MARK- I

D. Tabulating machine

Answer: C

QUESTION

How should you open the tray on an inactive CD-ROM drive?

A. Push the eject button.

B. Push in on the lower-right corner door.

C. Right-click on the CD icon and choose Eject.

D. Insert a paper clip into the CD drive eject hole.

Answer: D

Explanation: The eject hold of the CD Drive can be used to mechanically open the drive.

QUESTION

Which memory the address range is reserved for VGA video card?

A. C000-C3FF

B. C000-C7FF

C. D000-D7FF

D. D000-DFFF

Answer: B

Explanation: The video BIOS is usually mapped to the upper memory address range C000-C7FF

QUESTION

Which one is the first commercially used general purpose computer?

A. MARK- I

B. ENIAC

C. Slide Rule

D. UNIVAC- I

Answer: D

It was designed principally by J.Presper Eckert and John William Mauchly, the inventors of the ENIAC in 1951.

QUESTION

Who is the father of the computer called?

A. Howard Aiken

B. Lee Deforest

C. Charles Babbage

D. Blaise Pascal

Answer: C

QUESTION

Which motherboard type allows you to shut down the computer through software?

A. AT

B. ATX

C. MCA

D. VESA

Answer: B

Explanation: ATX(Advanced Technology eXtended) has a soft power switch.

Incorrect Answers:

A: AT motherboards are outdated and do not support soft power switches.

C, D: MCA and VESA is slot types, not motherboard types.

QUESTION 

On the dot-matrix, you only see the lower half of the characters. What is the possible reason for this?

A. Defective print head. 

B. Incorrect paper thickness.

C. Paper text incorrectly on the tractor.

D. Defective home position sensor.

Answer: A

Explanation: The print head is defective and must be replaced.

QUESTION

Which device gave the idea of binary digits (0,1), so it can be considered as the first programmable device?

A. Jacquard’s Loom

B. Napier’s Bone

C. Abacus

D. Slide Rule

Answer: A

Explanation: In 1801 Joseph Marie Jacquard, a French silk weaver, invented the automatic weaving machine called Jacquard Loom.

QUESTION

Who developed the transistor?

A. Jack Kilby

B. Lee deforest

C. Dr. Herman Hollerith

D. John Burdeen, Walter Brattain, and William Shockley

Answer: D

Explanation: The transistor was first developed in 1947 by John Burden, Walter Breton, and William Shockley.

QUESTION

How many bits wide is the AGP Bus?

A. 8

B. 16

C. 32

D. 64

Answer: C

Explanation: The AGP (Advanced Graphic Port) is a 32-bit bus designed for the high demands of 3-D graphics.

QUESTION

With respect to the interface network cards, what does the term 10/100 mean?

A. Protocol speed.

B. A fiber network.

C. Megabits per second.

D. Minimum and maximum server speed.

Answer: C

Explanation: 10/100 refers to the transfer rate that is measured in Megabits per seconds (Mbps). More

Specifically it specifies that the network adapter supports both the 10Mbps and the 100Mbps speed.

QUESTION

Who developed the first Integrated Circuit (IC)?

A. Dr. Herman Hollrith

B. Lee deforest

C. William Shockley

D. Jack Kilby

Answer: D

Explanation: The first integrated circuit (IC) was developed in 1958 by Jack Kilby, an engineer.

QUESTION

How many segments is the CPU divided into?

A. One

B. Two

C. Three

D. Four

Answer: C

Explanation: The CPU is divided into three segments. They are the Control Unit (CU), Arithmetic Logic Unit (ALU), and Registers.

QUESTION

What is a type of IDE translation?

A. LBA

B. UTB

C. QIC

D. USB

Answer: A

Explanation: LBA, Logical Block Addressing is a translation standard for BIOS to support IDE drives larger than 528 MB. LBA is on old IDE translation.

QUESTION

You are the technician at ABC Co. The sales director's computer shuts down and reboots unexpectedly. Which of the following could be a cause of this problem?

A. The BIOS is fixed to reboot automatically every day.

B. Its external SCSI CD-RW is using too much power.

C. CMOS is configured to cycle power at a fixed time.

D. The power supply is not providing the required power to the system.

Answer: D

Explanation: One likely cause of sporadic system reboots could a malfunctioning power supply. Fluctuations in the voltage would cause reboots.

Incorrect Answers

A: There is no such type of BIOS setting that reboots the system every day.

B: Most external devices use their own power supplies. Also, if an external device requires more power than the system can handle, the external device fails, not the computer.

C: There is no such CMOS configuration.

QUESTION

What is WRAM used for?

A. Modem.

B. Video card.

C. Motherboard.

D. ATA controller.

Answer: B

Explanation: WRAM (Windows Accelerator Card RAM) is used on Video cards.

QUESTION

Which of the following is the fastest memory?

A. Primary

B. Cache

C. secondary

D. None

Answer: B

QUESTION 

How much video RAM is needed to display 1024 into 768 at 24bit color?

A. 1MB.

B. 4MB.

C. 8MB.

D. 512KB.

Answer: B

Explanation: For the 24-bit color we need 3 bytes per pixel. In total, we need 1024 * 768 *3 bytes which roughly is 2.4MB of RAM. 4 MB of video RAM would be sufficient.

QUESTION

You have just installed a new internal PCI modem on your 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: D

Explanation: The phone line must be plugged into the line-in port on the modem card (not to the port out).

Incorrect Answers

A: A port speed that is too high would not prevent the modem from dialing.

B: Internal modems do not appear in the control panel properties.

C: This is the proper procedure.

QUESTION

Ram is an example of …………….memory?

A. Primary

B. Volatile

C. Temporary

D. All of the above

Answer: A

QUESTION

What are the benefits of cleaning the inside of the computer? (Choose Two)

A. Increase connectivity speed.

B. Provide better system cooling

C. Increase CPU processing speed.

D. Increase the value of your computer.

E. Reduce the risk of component failure.

Answer: B, E

Explanation: Less dust would improve the system cooling and reduce the risk of component failure.

QUESTION

A customer calls and says that her computer will not boot. She can hear noises and see lights on the box but nothing comes on the screen. What should you take action on the site to fix the problem?

A. Hard Drive

B. Video Card

C. Power Cable

D. Power Supply

Answer: B

Explanation: The computer is starting, but nothing is displayed on the screen. So you have to be replaced the video card.

QUESTION

Which device is used to process data?

A. Hard Disk

B. Ram

C. CPU

D. Mouse

Answer: C

QUESTION 

On a new 19 "ULTRA VGA monitor the resolution was set to 640 x 480 16 colors. You changed the resolution to 800x600 high color 16-bit. But the monitor goes blank. What could be the problem?

A. The video card is using an IRQ

B. The video card is not installed properly

C. The monitor trapezoid setting is wrapped.

D. The refresh rate is too fast for the monitor

Answer: D

Explanation: The selected refresh rate of the monitor does not support it.

Incorrect Answers

A: The video card should use an IRQ to be able to communicate.

B: The video card worked at 640 x 480 so it is physically installed correctly.

C: Monitor trapezoid setting does not let the monitor go blank.

QUESTION

The floppy drive will not boot the computer. What are the most likely causes? (Choose two)

A. The floppy drive is faulty.

B. There is no partition on the hard drive.

C. The boot floppy disk is formatted on FAT 16.

D. Boot sequence is incorrect in BIOS

E. There is more than one partition defined in a hard drive.

Answer: A, D

Explanation: 

A: The floppy drive could be defective.

D: If the boot sequence does not include A: the system will not be able to boot from the diskette and we have to correct it in the BIOS.

Incorrect Answers

B: PCs should be able to boot from the diskette even though no hard drive is present.

C: Diskettes use the FAT16 file format.

E: The partitioning of the hard drive would not affect the diskette boot process.

QUESTION

How many devices does USB support?

A. 32

B. 64

C. 127

D. 256

Answer: C

Explanation: 127 devices are supported on a single USB chain.

QUESTION

The monitor is displaying mostly in green and not in normal colors. Which of the following would cause this? (Choose Two)

A. The monitor is defective

B. The refresh rate is too fast.

C. The resolution is set too high

D. A pin on the connector is bent.

E. The drivers are installed incorrectly.

Answer: A, D

Explanation: Either the monitor may be defective or the pin may be bent.

Incorrect Answers

The refresh rate, the resolution or the video adapter device driver would not cause this type of color distortion.

QUESTION

A customer calls in support of a monitor issue, but cannot wait for a service technician. She describes the problem as having no monitor signal, no screen saver, and no hibernation, and she reports that she thinks it is a video card. The customer also mentioned that his office has three similar functions. What can you ask the customer to eliminate the video card because the problem with one of the working systems is the cause of the switch?

A. The monitor.

B. The motherboard.

C. The video driver chip.

D. All flat ribbon cables.

Answer: A

Explanation: Either the monitor or the video adapter may be the cause of this problem. By replacing the monitor, we can ascertain whether the video adapter is the source of the problem.

Incorrect Answers

B: It will be much more difficult to replace the motherboard at this early stage of the troubleshooting process.

C: We should replace the monitor before we replace the video adapter.

D: Neither the monitor or the Video adapter uses flat ribbon cables.

QUESTION

What does 28 dot pitch mean in describing a monitor?

A. .28 cm wide.

B. .28 millimeter wide.

C. .28 cm apart.

D. .28 millimeter apart

Answer: D

Explanation: A 28 dot pitch refers to a 28-millimeter distance between the dots.

Incorrect Answers

A, B: Dot pitch refers to the distance between dots, not the size of a dot.

C: Dot pitch is measured in millimeters, not in centimeters.

QUESTION 

Which of the following configuration settings is set to NIC in EEPROMs? (Choose three)

A. IRQ

B. Protocol

C. IP Address

D. I/O Address

E. MAC address

Answer: A, D, E

Explanation: An EEPROM of a NIC is configured with IRQ, I/O address, and MAC address.

Incorrect Answers

B, C: Protocol and IP addresses are implemented in the operating system, not in the EEPROM.

QUESTION

What is the main difference between AT and ATX motherboards? (Choose two)

A. PS/2 port

B. BNC connector

C. Soft power switch

D. Serial connectors

E. Parallel connectors

Answer: A, C

Explanation: AT motherboards, but not ATX motherboards, support the PS/2 port and a Soft power switch.

Incorrect Answers

B: A BNC connector is used to connect a bus network to a network adapter. A BNC connector is not built-in on AT motherboards.

D: Serial connectors are identical on AT and ATX motherboards.

E: Parallel connectors AT and ATX are the same on the motherboard.

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