23
Q:

CD-ROM is a semiconductor memory.

 

A) TRUE B) FALSE

Answer:   B) FALSE



Explanation:

"CD-ROM is a semiconductor memory" is a FALSE statement.

 

Compact Disc-Read-Only Memory, a type of optical disk capable of storing large amounts of data -- up to 1GB, although the most common size is 650MB (megabytes). A single CD-ROM has the storage capacity of 700 floppy disks, enough memory to store about 300,000 textpages.

 

Semiconductor memory is a type of semiconductor device tasked with storing data. There are two electronic data storage mediums that we can utilize, magnetic or optical.

 

Magnetic storage:

* Stores data in magnetic form.

* Affected by magnetic fields.

* Has high storage capacity.

* Doesn't use a laser to read/write data.

* Magnetic storage devices are; Hard disk , Floppy disk, Magnetic tape etc.

 

Optical storage:

* Stores data optically, uses laser to read/write.

* Not affected by magnetic fields.

* Has less storage than a hard disk.

* Data accessing is high, compared to a floppy disc.

* Optical storage devices are; CD-ROM,CD-R, CD-RW, DVD etc.

 

There is also volatile memory. This is memory that loses its data once power is cut off, while non-volatile memory retains data even without power.

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Q:

The internet was created to provide

A) a secure form of communication B) a common communication means for all computers
C) neither 1 nor 2 D) both 1 & 2
 
Answer & Explanation Answer: D) both 1 & 2

Explanation:
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Q:

DSL is an example of what type of internet access?

A) Wireless B) Network
C) Broadband D) Slow
 
Answer & Explanation Answer: C) Broadband

Explanation:

Digital Subscriber Line (DSL) is a broadband connection. It is an internet access with several high-speed transmission technology.

 

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0 23
Q:

In ____________ layout headings can be displayed hiding the text under them in Microsoft Word.

A) Web B) Outline
C) Reading D) Print
 
Answer & Explanation Answer: B) Outline

Explanation:
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0 20
Q:

What handles can you not hold in your hand?

What handles can you not hold in your hand?

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0 42
Q:

The objective of ____________ is to make India a global information technology superpower.

 

A) NIC B) NASSCOM
C) Department of Information Technology D) State Bank of India
 
Answer & Explanation Answer: C) Department of Information Technology

Explanation:
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Q:

Which statement about Ultrabook computers is false?

A) Utrabooks are equipped with SSD drives for fast start-up B) Ultrabooks do not offer HDMI video output ports
C) Ultrabooks typically weigh less than 3 pounds D) Ultrabooks have the fastest optical drives
 
Answer & Explanation Answer: D) Ultrabooks have the fastest optical drives

Explanation:

Ultrabooks have the fastest optical drives is the false statement in the given options about Ultrabook computers.

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Q:

The Incident Command System (ICS) is

The Incident Command System (ICS) is

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0 75
Q:

4 components all computers have in common

Answer

The 4 components all computers have in common are Input, Output, Storage and Processing. 

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0 52