Waec 2017 Data Processing (Essay/Objectiv) Answers – May/June Expo

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6b, 4, 5 and 2aii Updated – Check It

CrossCheck your answers – Theory Completed

PLEASE USE THIS NO.5

5ai)

I Ctrl + C

II Ctrl + S

III Ctrl + P

5bi)

I-Monitor

II-CPU

III-Printer

bii)

-Word processing packages

-Corel draw packages

-Excell processing packages

5biii)

-Word pad

-Quick office

-Lotus word pro-windows

5c)

TABULATE

S/N: i,ii,iii,iv

Keystroke: Ctrl + return,Ctrl + F,Ctrl +F2

Action: Page break,Find and replace,help,print preview

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1a)

i) super computer

ii) mainframe computer

iii)mini computer

iv) mirco computer

1b)

information and communications technology is an umbrella term that includes any communication device or application, encompassing: radio, television, cellular phones, computer and network hardware and software, satellite systems and so on, as well as the various services and applications

1c)

i)Making learning more interesting for hard-to-understand issues

ii)Bridging distances – e.g using e-mails, phone, video conferencing etc.

iii)Breaking literacy barriers in communication – e.g using video and radio.

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2a)

Computer ethics is a part of practical philosophy which concern with how computing professionals should make decisions regarding professional and social conduct.

2aii)

+Capacity planning

+Real-Time monitoring

+Documentation management

2b)

i)Pupils are prohibited to enter the lab unless authorised by the teacher.

ii)Scan diskettes before using them.

iii)Report all problems related to the system to the teacher.

iv)Do not attempt to repair or tamper with lab equipment.

v)Be responsible when using equipment, software and facilities in the lab.

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3a)

Web programming

3b)

Web programmer

3c)

-VB.NET

-MYSQL

3di) Intranet

3dii)

-It is a cheap medium of communication

-It does not give room for leakage of secret information by h@ckers

-It is easy to maintain. It requires less technical knowledge.

3e)

-Router

-Modem

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4a)

Software maintenance in software engineering is the modification of a software product after delivery to correct faults, to improve performance or other attributes.

(4b)

-Corrective

-Perfective

-Adaptive

-Preventive

(4c)

-Corrects fault

-Improves performance

-Adapts to a changing environment

-Predictive cash flow

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6ai) Monitor

6aii)

i. Monitor

ii. printers

6aiii)

III. CPU

VI. SOCKET AC SOURCE

VII. PRINTER.

6iv)

Ensure you use stabilizer when using the computer so that the power source will not be fluctuating.

6v)

II and III

6vi)

Internet Modem

6bi)

Fig2. is a DVD diskette

Fig3. Is a magnetic tape diskette

6bii)

The magnetic tape media is most suitable

6biii)

A radio player

6biii)

A radio player

6biv)

Virtual sequential access method

6ci)

300×1000/300=1000

6cii)

By compressing the image sizes

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