COMPUTERS AND TECHNOLOGY HIGH SCHOOL

A table has several fields related to computer data. You want the serial number (Sr. No.) field to increase by one every time you add a new record. Which data type would you use for the Sr. No. field?autonumber
memo
null
BLOb

Answers

Answer 1
Answer:

The answer is Autonumber.

AutoNumber data type is commonly used for primary key fields and it automatically generates a unique number for each record. This data type stores an integer that Access increments automatically as you continue adding new records. Primary keys are great but Auto numbers are also important for insuring that records are uniquely identified.  
Answer 2
Answer: autonumber
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Answers

Details menu or start menu

Analyzes the performance of hardware and software interfaces and identifies alternatives for optimizing the usage of computer resources.?

Answers

Answer:

Updating OS, defragmentation of memory and hardware maintenance.

Explanation:

There are two main components of the computer system, they are software and hardware components. The software is the operating system and the application software and utilities. To optimise the OS, it should be updated, at least every month.

The hardware is of four parts, namely, the input, output, memory and processor unit. These parts should be serviced monthly and defragmentation of the memory should be monthly for optimisation.

Complete the sentence.

The internet is an example of a ______

Answers

Answer:

packet switched network

Answer:

wan

Explanation

What is the function of the modem?

Answers

A modem is the internal or external device its function is to transfer data over communication lines
modems use two different types of data transmission
synchronous and asynchronous
The functions of modem have changed over years it was first used for telegrams and to transmit data in 1950s. 
Modems were used with computers in  1977 for first time to transmit data between computers  firstly it was used for small amount of computers 
As modem improves day by day and were able to transmit information fastly between two or more hosts and the internet network slowly spreads
There are four types of modems ,
1 Fax Modems which solely transfer data between fax machines
2 The traditional ISDN modem
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Answers

The answer is FALSE.
The reason why it is false it is because not all social media websites provide avatars.
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Answers

Answer:

Zombie.

Explanation:

A zombie is a computer that is connected to the internet or a network but has been infiltrated by a Trojan horse, computer virus or hacker. This activity is not noticed by the owner or user of the computer.

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Up-to-date security measures must be installed and carefully considered to prevent these attacks.
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