Jawaban IT Essentials I Chapter 1 (v 4.1)


Bagi temen-temen yang belom ngerjain IT Essentials Chapter 1 nih gua kasih jawaban IT Essentials Chapter 1 / answer IT Essentials Chapter 1.

Chapter 1 Exam - IT Essentials: PC Hardware and Software (Version 4.1) 

1   
Which type of memory is primarily used as cache memory?
    #SRAM

2   
A customer orders a new computer and specifies an internal read-write, non-volatile storage device that uses low power, has fast access to data, and is reliable. What is a suitable storage device that meets these requirements?
    #solid state drive
   
3   
Which type of ROM can be reprogrammed with software while it is still physically installed in the computer?
    #EEPROM
   
4   
Refer to the exhibit. Based on the advertisement that is shown, what is the native resolution of this computer system?
    #1280 x 800
   
5   
Which type of computer resources are direct lines to the processor used by computer components to request information from the CPU?
    #IRQs
   
6   
Which two activities are normally controlled by the Northbridge part of the chip set? (Choose two.)
    #access to the RAM
    #access to the video card
   
7   
Which type of RAM chip has the fastest clock rate but consumes the least power and generates the least heat?
    #DDR3 SDRAM

8   
Which expansion slot would be used to install a video capture card in a new computer?
    #Peripheral Component Interconnect-Express
   
9   
A technician is helping a customer compare two hard drives. Which unit of measurement is used for the hard drive speed?
    #revolutions per minute
   
10
Refer to the exhibit. Which type of cable is shown in the graphic?
    #Serial
   
11   
Which type of memory is unable to have the contents modified?
    #ROM
   
12   
Which important feature is offered by the USB standard?
    #It can supply power from the computer to devices.

13   
Which CPU architecture uses a small set of instructions that are designed to be executed rapidly?
    #RISC
   
14   
Which two characteristics are determined by the chip set on a motherboard? (Choose two.)
    #maximum amount of memory that can be installed
    #type of connectors that will be on the motherboard
   
15   
Which two devices are considered input devices? (Choose two.)
    #biometric authentication device
    #digital camera
   
16   
Which technology would be best to use for drive redundancy and data protection?
    #RAID
   
17   
Which two characteristics of a motherboard can be determined by the form factor? (Choose two.)
    #size
    shape

18   
Which two categories are used to classify CPU architecture? (Choose two.)
    #CISC
    #RISC
   
19   
Which three system resources are commonly used for communication between the CPU or memory and other components in the computer? (Choose three.)
    #IRQ
    #DMA
    #I/O address
   
20   
What is the function of a capture card?
    #enables a video signal to be recorded to the computer hard drive
   
21   
Why are solid state drives reliable and therefore suitable to be installed in computers used in harsh industrial workplaces?
    #They consume less power and have no moving parts.
   
22   
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?
    #DVD+/-R

23   
How many conductors are found in a SATA data cable?
    #7
   
24   
What are the two connector types for the 1394a interface? (Choose two.)
    #4-pin
    #6-pin
   
25   
Which two form factors are commonly used to build a new computer? (Choose two.)
    #BTX
    #ATX
   
26   
A company employee has very important data on a computer. What RAID level should be used if the criteria include that data be written and read simultaneously and that all data be duplicated using a minimum of three drives?
    #5
   
27   
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.)
    #40
    #80
   
28   
Which three devices are considered output devices? (Choose three.)
    #headphones
    #monitor
    #printer

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