Chapter 1 - IT Essentials - PC Hardware & Software
1 Which CPU architecture uses a small set of instructions that are designed to be
2 Which type of memory is primarily used as cache memory?
3 Which three devices are considered output devices? (Choose three.)
4 Which type of ROM can be reprogrammed with software while it is still physically
installed in the computer?
5 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
6 Refer to the exhibit. Which type of cable is shown in the graphic?
7 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.
8 What are the two connector types for the 1394a interface? (Choose two.)
9 Which type of memory is unable to have the contents modified?
10 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)
11 Which type of computer resources are direct lines to the processor used by computer components to request information from the CPU?
12 Which two activities are normally controlled by the Northbridge part of the chip set?
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
13 Which two devices are considered input devices? (Choose two.)
biometric authentication device
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?
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
pages per minute
clusters per minute
16 Which two form factors are commonly used to build a new computer? (Choose two.)
17 Which two categories are used to classify CPU architecture? (Choose two.)
18 Which two characteristics of a motherboard can be determined by the form factor?
type of processor supported
maximum memory supported
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.)
20 How many conductors are found in a SATA data cable?
21 Which three system resources are commonly used for communication between the
CPU or memory and other components in the computer? (Choose three.)
22 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?
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