What is the term for the unauthorized modification of data within a database by exploiting vulnerabilities in an application’s software?
- A. Ransomware
- B. SQL injection
- C. Spoofing
- D. Phishing
What was the primary advancement of the EDVAC over the ENIAC?
- A. Use of Vacuum tubes
- B. Smaller size
- C. Stored-Program architecture
- D. Faster computation speeds
What is the relationship between a ‘record’ and a ‘file’?
- A. A record contains multiple files
- B. A file is a type of record
- C. o A record and a file are the same
- D. A file contains multiple records
Which stage of the SDLC involves evaluating the system to ensure it meets user needs and making necessary adjustments?
- A. Review
- B. Implementation
- C. Analysis
- D. Design
Which key on a keyboard is used to access special functions like volume control or brightness?
- A. Alphabetic key
- B. Numeric key
- C. Function key
- D. Cursor key
Which of the following best describes the SDLC?
- A. A programming language for system development
- B. A framework for developing information system
- C. A methodoloy for software debugging
- D. A hardware configuration protocol
Which of the following best describes software?
- A. Elements used for data transmission
- B. Logical sequences of coded instructions
- C. Systems that control data flow
- D. Tangible components of a computer
Which application package is used for developing websites?
- A. Microsoft PowerPoint
- B. Microsoft Excel
- C. Figma
- D. Adobe Dreamwaver
Which access method is least efficient for data retrieval?
- A. Direct access
- B. Sequential access
- C. Indexed access
- D. Random Access
What does the ‘Thesaurus’ feature in word processing packages help users with?
- A. Find synonyms and antonyms of words
- B. Check document statistics
- C. Insert citations
- D. Create a table of contents
Which type of computer functions as a central repository, providing hardware, software, and other resources to multiple clients connected over a network?
- A. Workstation
- B. Mainframe
- C. Supercomputer
- D. Server
Which of the following controls the way in which the computer system functions and provides a means by which users can interact with the computer.
- A. CPU
- B. application software
- C. operating system
- D. ALU
In computer architecture, the type of bus that connects the major components of a computer system is
- A. address
- B. data bus
- C. control bus
- D. system bus
Using Boolean identities, reduce the given Boolean expression:
A(A+1) + A(B+0) + C.1
- A. A + B + C
- B. A.B.C
- C. A.B + C
- D. A + C
The first stage of data processing activities is ?
- A. Manipulation
- B. Collection
- C. Conversion
- D. Sorting
One of the following is not a good way to prevent virus.
- A. encryption
- B. use of firewall
- C. carelessly exposing your vital and personal information
- D. use of antivirus software
Translating the problem statement into a series of sequential steps describing what the program must do is known as
- A. coding
- B. creating the algorithm
- C. debugging
- D. writing documentation
The closest computer language to human is ?
- A. High level language
- B. Low level language
- C. Machine language
- D. Assembly language
If the control unit controls other units of the CPU, which unit stores instructions,data and intermediate results.
- A. Memory unit
- B. Arithmetic section
- C. Control unit
- D. Logic section
Computers that are small and low cost are referred to as ?
- A. mini computers
- B. small computers
- C. tablet computers
- D. micro computers
In BASIC, REM shows a statement to be
- A. executable statement
- B. un-executable statement
- C. comment
- D. output