Lesson 4 - Computer Maintenance

True/False
Indicate whether the statement is true or false.

____	1.	Damaged and poorly maintained cables can prevent peripheral devices from communicating with the computer.

____	2.	Cable management kits are available only through computing professionals.

____	3.	Cleaning mechanical mice often eliminates jerky or erratic movement of the mouse pointer.

____	4.	An effective method for cleaning a printer is to spray an aerosol directly onto it.

____	5.	Many inkjet printers have a self-cleaning mode.

____	6.	There is no maximum amount of RAM that a computer system can support.

____	7.	You can replace a mouse without replacing any other computer hardware.

____	8.	When a computer is new, the operating system writes data in side-by-side clusters.

____	9.	After a file has been deleted from the Recycle Bin, it is possible to restore it.

____	10.	People who break into computer systems are called hackers.

Multiple Choice
Identify the choice that best completes the statement or answers the question.

____	1.	As a general rule, you should clean a computer ____.
a.	daily	c.	every three to six months	
b.	weekly	d.	yearly	

____	2.	____ is a recommended, effective method for cleaning a keyboard.
a.	Compressed air	c.	Running it under the faucet	
b.	Turning it upside down and shaking it	d.	All of the above	

____	3.	If you spill liquid on a keyboard, you should do all of the following, EXCEPT: ____.
a.	turn off the computer immediately	
b.	disconnect the keyboard	
c.	turn it upside down and shake it	
d.	reconnect it as soon as possible to make sure it still works	

____	4.	A mouse with a ball is also known as a(n) ____ mouse.
a.	wireless	c.	ergonomic	
b.	mechanical	d.	touch	

____	5.	When cleaning a printer, do all of the following EXCEPT ____.
a.	clean all of the parts of the printer	c.	wear latex gloves to protect your hands	
b.	use a water and vinegar solution	d.	make sure no fluid gets inside the printer	

____	6.	Which of the following is NOT recommended when cleaning a laser printer?
a.	Use a printer brush to clean the toner opening	
b.	Wipe the transfer roller with a lint-free cloth	
c.	Remove paper fragments	
d.	All of the above are recommended	

____	7.	The accompanying figure shows an example of ____.
a.	ROM chips	c.	RAM chips	
b.	a laser toner cartridge	d.	disk sectors	

____	8.	Which of the following is NOT true about RAM?
a.	RAM modules are installed on the motherboard.	
b.	Data stored in RAM is temporary.	
c.	Hard drive access is considerably faster than RAM. 	
d.	When the computer is processing data, it reads and writes to RAM.	

____	9.	A(n) ____ keyboard allows for a more natural positioning of your arms and hands.
a.	wireless	c.	touchpad	
b.	optical	d.	ergonomic	

____	10.	The accompanying figure has a built-in ____ pointing device.
a.	wireless mouse	c.	touchpad	
b.	ergonomic mouse	d.	trackball	

____	11.	Which of the following is NOT true about pointing devices?
a.	You can replace a mouse without replacing other computer hardware.	
b.	You can purchase and install external touchpads.	
c.	Using a wireless ergonomic mouse reduces clutter and allows for natural hand positions.	
d.	Built-in touchpads on notebooks can be easily replaced or upgraded.	

____	12.	Disk ____ occurs when data is broken up into many pieces that are not stored close together.
a.	fragmentation	c.	sectoring	
b.	defragmentation	d.	seek time	

____	13.	Which of the following is NOT true about disk fragmentation?
a.	The computer reads the fragmented file as a single valid file.	
b.	Defragmentation works best on read-only disks.	
c.	To read a file, the read-write head has to scan multiple parts of the disk.	
d.	Windows contains a defragmentation utility.	

Sara wants to run the Windows 7 defragmentation utility.

____	14.	Sara access the defragmentation utility from the ____.
a.	Command prompt	c.	Computer window	
b.	Control Panel	d.	Windows Explorer	

____	15.	Sara can run the defragmentation utility on her ____ drive.
a.	hard	c.	locked	
b.	network	d.	All of the above	

____	16.	Which of the following is NOT true about the Recycle Bin?
a.	It can contain files you delete from your USB flash drive.	
b.	It is a holding area for files and folders you have deleted.	
c.	You can access it through an icon on the desktop.	
d.	You can restore items from the Recycle Bin.	

____	17.	Temporary files are created for all of the following reasons EXCEPT: ____.
a.	To free memory for other programs	
b.	To create a file that will exist after the program has closed	
c.	To act as a safety net to prevent data loss	
d.	To print while the computer is performing other tasks	

____	18.	Which of the following is NOT true about cookies?
a.	The file is updated each time you visit a Web site.	
b.	They are used to gather information about your surfing habits.	
c.	They can be used for targeted advertising.	
d.	They can be a threat to your computer’s security.	

Jolene is a computer professional with lots of knowledge about computer maintenance.

____	19.	Jolene tells her clients that all of the following should be performed by a computer professional EXCEPT: ____.
a.	replacing the processor	c.	adding RAM	
b.	opening the power supply case	d.	installing a cable management kit	

____	20.	Jolene tells her clients that all of the following is true about computer maintenance EXCEPT: ____.
a.	cleaning mechanical mice can eliminate jerky or erratic movement of the mouse pointer	
b.	many inkjet printers have a self-cleaning mode	
c.	replacing a keyboard involves replacing many complicated hardware components	
d.	exposure to light can damage toner cartridges	

Lesson 4 - Computer Maintenance
Answer Section

TRUE/FALSE

	1.	ANS:	T	PTS:	1	REF:	Mod 1-72

	2.	ANS:	F	PTS:	1	REF:	Mod 1-72

	3.	ANS:	T	PTS:	1	REF:	Mod 1-74

	4.	ANS:	F	PTS:	1	REF:	Mod 1-74

	5.	ANS:	T	PTS:	1	REF:	Mod 1-75

	6.	ANS:	F	PTS:	1	REF:	Mod 1-77

	7.	ANS:	T	PTS:	1	REF:	Mod 1-80

	8.	ANS:	T	PTS:	1	REF:	Mod 1-81

	9.	ANS:	F	PTS:	1	REF:	Mod 1-84

	10.	ANS:	T	PTS:	1	REF:	Mod 1-89

MULTIPLE CHOICE

	1.	ANS:	C	PTS:	1	REF:	Mod 1-73

	2.	ANS:	A	PTS:	1	REF:	Mod 1-73

	3.	ANS:	D	PTS:	1	REF:	Mod 1-73

	4.	ANS:	B	PTS:	1	REF:	Mod 1-74

	5.	ANS:	A	PTS:	1	REF:	Mod 1-74

	6.	ANS:	B	PTS:	1	REF:	Mod 1-76

	7.	ANS:	C	PTS:	1	REF:	Mod 1-77

	8.	ANS:	C	PTS:	1	REF:	Mod 1-77

	9.	ANS:	D	PTS:	1	REF:	Mod 1-80

	10.	ANS:	C	PTS:	1	REF:	Mod 1-80

	11.	ANS:	D	PTS:	1	REF:	Mod 1-80

	12.	ANS:	A	PTS:	1	REF:	Mod 1-81

	13.	ANS:	B	PTS:	1	REF:	Mod 1-82

	14.	ANS:	B	PTS:	1	REF:	Mod 1-82	TOP:	Critical Thinking

	15.	ANS:	A	PTS:	1	REF:	Mod 1-82	TOP:	Critical Thinking

	16.	ANS:	A	PTS:	1	REF:	Mod 1-84

	17.	ANS:	B	PTS:	1	REF:	Mod 1-84

	18.	ANS:	D	PTS:	1	REF:	Mod 1-86

	19.	ANS:	D	PTS:	1	REF:	Mod 1-88	TOP:	Critical Thinking

	20.	ANS:	C	PTS:	1	REF:	Mod 1-79	TOP:	Critical Thinking