NECO GCE Data Processing 2023 Questions And Answers
The National Examination Council (NECO) Has Scheduled NECO GCE Data Processing 2023 Paper to Kick off today 19th December 2023 by 2:00pm.
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Past Neco gce data processing objective answers 2022
DATA PROCESSING OBJ
1-10: AEEBAADEAC
11-20: EBADCCEBAE
21-30: DBDACECCAD
31-40: BAACAEBEEB
41-50: CEADDCBBCE
51-60: EDCBCACEAE
COMPLETED
Past Neco gce data processing essay answers 2022
(1ai)
Collation; is the assembly of written information into a standard order.
(1aii)
analysis is the process of automatically analyzing the behavior of computer programs regarding a property such as correctness, robustness, safety.
(1b)
Encouraging and promoting infrastructure sharing amongst licensees and providing regulatory guidelines thereon.
(1ci)
Batch processing is when a computer processes a number of tasks that it has collected in a group. It is designed to be a completely automated process, without human intervention.
(1cii)
Multiprogramming is a rudimentary form of parallel processing in which several programs run at the same time on a uniprocessor system.
(1d)
Establish a user interface, and execute and provide services for applications software.
(3ai)
shared-Memory system: this is were multiple processors are attached to an inter connected network and access a common region of memory
(3aii)
Shared-disk system: this is were each processors has its own main memory and direct access to all disk through an interconnected network
(3aiii)
Shared-nothing system: this is were each processors has local main memory and disk space but no two processors can access the same storage area and all communication between processor through a network connection. it has its own mass storage as well known as main memory.
(3bi)
[PICK ANY TWO]
(i) High initial investment cost
(ii) Prone to unauthorized access
(iii) Extra cost of retraining of staff
(iv) Over writting / loss of data
(v) Power dependent
(3bii)
[PICK ANY TWO]
(i) Your Computer starts running Slowly
(ii) Unusual Hard Drive or SSD Access
(iii) Missing Storage Space.
(iv) Files Going Missing.
(v) Unusual Crashes or Error Messages
(4ai)
Word Processing refers to the act of using a computer to create, edit, save and print documents
(4aii)
(i) Portrait (vertical)
(ii) Landscape (horizontal)
(4bi)
STAR NETWORK TOPOLOGY:
In star topology, the information is travel from the central hub or router to all the nodes. WHILE
RING NETWORK TOPOLOGY:
In-ring topology, the information is travel from nodes to nodes in a ring manner in one direction.
(4bi)
Check the diagram below
(4bii)
[PICK ANY FOUR]
(i) Avast
(ii)AVG Antivirus Business Edition
(iii) Norton
(iv) Kaspersky
(v) McAfee
(vi) Malware bytes
(5ai)
Data management system: simply refers to the collection of program that assist the user to input, organize, select, manipulate, store and extract data in a database.
(5aii)
Check the diagram below
(5bi)
Cyberspace refers to the virtual computer world, and more specifically, an electronic medium that is used to facilitate online communication. it involves a large computer network made up of many worldwide computer subnetworks that employ TCP/IP protocol to aid in communication and data exchange activities.
(5bii)
Decimal equivalent of “d” = (d) 13 × 16⁰ = 13
Decimal equivalent of “b” = (b) 11 × 16¹ = 176
Decimal equivalent of “2” = 2 × 16² = 512
Decimal equivalent of “2BD” = 512 + 176 + 13
2BD = 701
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