NECO 2018 COMPUTER STUDIES OBJ AND ESSAY ANSWER – JUNE/JULY EXPO

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COMPUTER-Obj-ANSWERS

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Computer solutions

1ai)

THESE ARE THE STEPS TO CREATE A DATABASE IN MICROSOFT ACCESS

i) open Microsoft access 

ii) click blank database 

iii) click create when prompted 

iv) click the external data 

v) click new data source 

vi) select file 

vii) select excel 

viii) click browse 

ix) select an excel spreadsheet

x) click open 

xi) specify how to transfer to the data

xii) Click OK 

xiii) select a sheet 

xiv) click next 

xv) enable column headings 

xvi) click next 

xvii) edit your spreadsheet columns and fields if needed 

xviii) click next 

xix) set the primary key for the database 

xx) click next 

xxi) add a name 

 xxiii) click finish 

 xxiii) click close 

1aii)

FIELD WHICH IS MOST SUITABLE PRIMARY KEY IS THE *SERIAL NUMBER FIELD*

(2ai)

firmware  is a specific class of computer  software that provides the low - level control for the device's specific hardware .

Firmware is held in non -volatile memory devices such as ROM , EPROM , or flash memory.

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(2aii)

Proprietary software is software that is owned by an individual or a company (usually the one that developed it). There are almost always major restrictions on its use, and its source code is almost always kept secret.

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(2b)

(Pick four)

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(i)Hard drive

(ii)Solid-state drive

(iii)USB thumb drive

(iv)SD card

(v)CD

(vi)DVD

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(2c)

In tabular form

         |

(i)Magnetic storage device Stores data in magnetic form.

While

Optical storage device stores data optically and use laser to read/write

(ii)Magnetic storage device has high storage capacity

While

Optical storage device has less storage than hardisk

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(3a)

(i)Protocol:- Different protocols can affect the transfer rates by bottle necking the drive. For example, a solid state  drive on IDE is a really bad idea because the maximum speed of IDE is just over 120 MB/s. Sometimes slower for the slave drive.

(ii)Length of cable:-A Cat 5e cable at over 50m  (tested) will only transfer 100 MB/s. I’ve seen  shorter cables that can reach 1 GB/s.

(iii)Busy system:-A system at full CPU load may not receive as fast as the device can send.

(iv)Drive capacity:-For flash storage devices (Solid state drives), the fuller they are, the slower they get.

(v)Age:-Solid state drives, CDs, and some  other media get slower as the years pass. Or maybe just in  comparison to that new hard drive you bought.

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(3aii)

(i)Memory Address Register(MAR)

(ii)Accumulator register

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(3aiii)

Accumulator register:-This  register is used for shoring the results that are produced by the system. when the CPU will generate some results after the processing then all the results will be stored into the AC register

(3bi)

ASCII stand for American Standard Code for Information Interchange

(3bii)

BCD stands for Binary -coded decimal

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4ai)Presentation package can be define as the package which display information in form in a slideshow... 

4aii) 1)sound

2)image

3)front

4)slide or foil

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4bi)Design theme...

Recurrent, underlying objective that ensure the overall consistency in the design of  a family products, their packaging and or the advertised campaign 

4bii) slide sorter view (below ) displays all the, slides in your presentation in horizontally .it also provide the, user with the ability to select several slide at one time

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6bi)

Advantage 1: Convenience

One of the biggest advantages of online banking technology is that it allows you to handle transactions and monitor your bank statements anytime, anywhere and anyplace. You can access your account on your computer or smart  phone 24/7 – when it's most convenient for your schedule.

 6bi) continued

Advantage 2: Fewer bank visits

Another great advantage is a new technology known as Remote Deposit Capture. It's an online service that lets you scan and deposit checks from your home, office or other locations without having to go to your bank. It lets you make deposits faster, with less time spent driving to your bank.  (To read more about Remote Deposit Capture, click here to read our Hands On article about this topic.)

Advantage 3: Faster transactions

When you conduct your banking online, your transactions are processed almost instantly. For example, you can make purchases or make payments with a debit card instead of a check, and the transactions shows up on your account almost immediately. This gives you more control of timing for transactions, and a better, more accurate view of your current account balance.

Advantage 4: Working with your accounting software

As a small business, you probably use an accounting software program. Many banks now let you tie your bank account information directly to your accounting software. This gives you more accurate and updated financial statements for your company. It also lets you view your financial statements almost instantly, without having to add your bank account numbers.

Advantage 5: Fund transfers

Many small businesses and entrepreneurs have multiple bank accounts – personal accounts, company accounts, savings accounts, etc. You often need to transfer funds from one account to another, and ACH (Automated Clearing House) transfers lets you do it relatively quickly. This can be a huge help in paying bills, meeting payroll deadlines and managing cash flow.

Advantage 6: Fast payment options

ACH gives you the ability to make payments from your business account to any external account. The most common uses for ACH are direct deposit payroll, vendor payments and membership or monthly dues. Business Online Bill Pay is another payment option that is commonly used by businesses to pay regular bills, such as utilities and credit card payments.  Finally, wire transfers can also be initiated online, when transfers to external accounts need to be made the same business day.

These are just a few of the many changes and benefits new technology has brought to small business banking. Make sure you stay abreast of these changes. The more you understand about technology and banking, the better you can run your busi

6bii)Command Keys And Special Keys

-Alphanumeric keys

-Navigation keys

-punctuation keys

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