Itepc V4 Chapter 1 Exam Answers

ITEPC V4 Chapter 1 Exam Answers

1. Which two characteristics are determined by the chip set on a motherboard? (Choose two.) maximum amount of memory that can be installed operating system compatibility type of connectors that will be on the motherboard keyboard layout • 1.4.1 Identify the names, purposes, and characteristics of motherboards

2. Which two activities are normally controlled by the Northbridge part of the chip set? (Choose two.) communication between the CPU and the I/O ports access to the RAM communication between the CPU and the hard drive access to the video card communication between the CPU and the sound card

• 1.4.1 Identify the names, purposes, and characteristics of motherboards

3. Which CPU architecture uses a small set of instructions that are designed to be executed rapidly? CISC RAID RISC RISK SCSI

• 1.4.2 Explain the names, purposes, and characteristics of CPUs

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4. Which type of memory is unable to have the contents modified? DRAM RAM ROM SRAM

• 1.4.4 Identify the names, purposes, and characteristics of ROM and RAM

5. Which type of memory is primarily used as cache memory? DRAM RAM ROM SRAM

• 1.4.4 Identify the names, purposes, and characteristics of ROM and RAM

6. Which three devices are considered output devices? (Choose three.) fingerprint scanner headphones keyboard monitor mouse printer

• 1.7 Identify the names, purposes, and characteristics of output devices

7. Which type of ROM can be reprogrammed with software while it is still physically installed in the computer? EEPROM EPROM PROM ROM • 1.4.4 Identify the names, purposes, and characteristics of ROM and RAM 2|Page

8. Refer to the exhibit. Which type of cable is shown in the graphic? FireWire Parallel Serial USB

• 1.5 Identify the names, purposes, and characteristics of ports and cables

9. Which important feature is offered by the USB standard? A single USB connection to a computer can support up to 255 separate devices. It offers rates of around 580 Mb/sec in low-speed mode. It allows up to 920 Mb/sec in the 2.0 version. It can supply power from the computer to devices.

• 1.5 Identify the names, purposes, and characteristics of ports and cables

10. What are the two connector types for the 1394a interface? (Choose two.) 2-pin 4-pin 6-pin 8-pin 9-pin 15-pin • 1.5 Identify the names, purposes, and characteristics of ports and cables

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11. Refer to the exhibit. What is the maximum length of the cable presented in the graphic, which is commonly used for connecting a computer to a printer? 15 ft (4.5 m) 20 ft (6 m) 27 ft (8 m) 30 ft (9 m)

• 1.5 Identify the names, purposes, and characteristics of ports and cables

12. Which type of computer resources are direct lines to the processor used by computer components to request information from the CPU? DMAs I/O addresses IRQs memory addresses

• 1.8 Explain system resources and their purposes

13. Which two devices are considered input devices? (Choose two.) biometric authentication device printer digital camera projector speakers

• 1.6 Identify the names, purposes, and characteristics of input devices

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14. A technician needs to back up 4 GB of data using a single storage medium. Which medium can hold the entire 4 GB on a single disc? floppy disc CD-RW CD-R DVD+/-R

• 1.4.6 Identify the names, purposes, and characteristics of storage drives

15. A technician is helping a customer compare two hard drives. Which unit of measurement is used for the hard drive speed? revolutions per minute gigabytes pages per minute clusters per minute

• 1.4.6 Identify the names, purposes, and characteristics of storage drives

16. A technician has been asked to install memory that detects multiple bit errors and corrects single bit errors in memory. Which type of memory should be installed if the motherboard supports these features? parity ECC fault tolerant CRC

• 1.4.4 Identify the names, purposes, and characteristics of ROM and RAM

17. Which two form factors are commonly used to build a new computer? (Choose two.) BTX NLQ ATX CLV ECC • 1.4.1 Identify the names, purposes, and characteristics of motherboards 5|Page

18. Which two characteristics of a motherboard can be determined by the form factor? (Choose two.) type of processor supported color size maximum memory supported shape

• 1.4.1 Identify the names, purposes, and characteristics of motherboards

19. PATA data cables are available in two different types. The types are distinguished by the number of conductors. Which two types are available? (Choose two.) 6 40 68 80 120

• 1.4.7 Identify the names, purposes, and characteristics of internal cables

20. How many conductors are found in a SATA data cable? 3 4 7 10 12

• 1.4.7 Identify the names, purposes, and characteristics of internal cables

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21. Which three system resources are commonly used for communication between the CPU or memory and other components in the computer? (Choose three.) IRQ DMA UDP I/O address USB PnP

• 1.8 Explain system resources and their purposes

22. Which two categories are used to classify CPU architecture? (Choose two.) ATX BTX CISC PnP RISC ZIF

• 1.4.2 Explain the names, purposes, and characteristics of CPUs

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