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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