2017 FREE NECO EXPO GCE  SCE DATA PROCESSING QUESTIONS ANSWERS OBJECTIVE AND THEORY

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2017 FREE NECO EXPO DATA PROCESSING QUESTIONS ANSWERS

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2017 FREE NECO EXPO

2017 FREE NECO EXPO DATA PROCESSING QUESTIONS ANSWERS

Obj data processing:
1-10: BCDDDCCCBE, 11-20: ABBEDBAACC, 21-30: AABDEADAED, 31-40: DBCADDEAEB, 41-50: BDEDCEBEBB, 51-60: ACDEDDEEEE
========================

2017 FREE NECO EXPO

Finally here comes the solution;

THEORY:
(1a) Crash recovery is used to recover from a failure either when a single-instance database crashes or all instances of an Oracle Real Application Clusters database crashes.

(1b)
i. Logical error
ii. System error
iii. Disk error

2017 FREE NECO EXPO DATA PROCESSING QUESTIONS ANSWERS

(2a) Computer networking is an engineering discipline that aims to study and analyze the communication process among various computing devices or computer systems that are linked, or networked, together to exchange information and share resources.

TRENDING RIGHT NOW;

(2b)
– Local Area Network LAN – These types of computer networks connect network devices over a relatively short distance.

– Wide Area Network WAN – As the name suggests, a WAN spans over a large physical distance.

– Wireless Local Area Network WLAN – These types of computer networks refer to LANs that are based on Wi-Fi wireless network technology.

– Metropolitan Area Network MAN – This is a network that spans over a physical area like a city that is smaller than a WAN but larger than a LAN.

2017 FREE NECO EXPO DATA PROCESSING QUESTIONS ANSWERS

(2c)
(i) Finally -Communication
(ii) Above all -Data sharing
(iii) As a matter of fact -Data transmission
(iv) Furthermore -Saves Cost

(5a)
Above all -Cleaning your computer hardware.
Finally -Downloading the latest drivers software.
Meanwhile -Verifying you have the latest anti-virus protection update for your hardware.
Furthermore -Downloading the latest updates for your computers on your computer.
As a matter of fact-Running disk software utilities such as Defrag ales on your computer.

2017 FREE NECO EXPO DATA PROCESSING QUESTIONS ANSWERS

(5b)
-Adaptive maintenance: This is concerned with
the change in the software that takes place to
make the software adaptable to new
environment such as to run the software on a
new operating system.

-Perfective maintenance is
concerned with the change in the software that
occurs while adding new functionalities in the
software.

-Preventive maintenance involves
implementing changes to prevent the
occurrence of errors.

Meanwhile -Corrective maintenance is concerned with fixing
errors that are observed when the software is in
use

(5c)
(i) Finally -Clean out all the junk behind by browsers.

(ii) Above all -Search and destroy spyware/viruses on your PC.

(iii) Finally -Defragment your hard drive monthly to keep your computer running smoothly.

(iv) First and foremost Uninstall programs you no longer use, and delete music you no longer listen to.

(v) Afterward use your computers disk management systems.

2017 FREE NECO EXPO DATA PROCESSING QUESTIONS ANSWERS

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