Computer Terminology

603 questions available

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All Common Computer Terms 2 Abbreviations 2 File Extensions 6 Operating Systems 99 Programming Basics 213 Database Basics 142 Common Technical Terms 138
Showing 521–540 of 603

Q521.In both C and C++ programming, which symbol is used to access the actual value stored at a pointer's memory address?

Easy
A @
B #
C %
D *
Programming Basics PPSC

Correct Answer: D

In C/C++, the asterisk (*) acts as the dereference operator. When prefixed to a pointer variable, it retrieves the actual data value stored at that pointer's address.

Q522.The Basic Input/Output System (BIOS) is classified as which of the following?

Easy
A Operating System
B Application Software
C Firmware
D None of these
Operating Systems PPSC

Correct Answer: C

The BIOS is classified as firmware. It is low-level software permanently embedded on a non-volatile ROM/flash memory chip on the motherboard.

Q523.In relational databases, a Query can be used to select data from which of the following?

Easy
A Single tables
B Multiple tables
C Both A & B
D None of these
Database Basics PPSC

Correct Answer: C

A query can retrieve data from a single database table or merge and select records from multiple tables simultaneously using JOIN clauses.

Q524.What is the purpose of a buffer in a computer system?

Easy
A To act as a temporary holding area, enabling the CPU to manipulate data before transferring it to a device
B To store essential system startup BIOS data
C To compile high-level programming language code
D None of these
Programming Basics PPSC

Correct Answer: A

A buffer is a temporary physical storage holding area. It balances the different processing speeds of the CPU and connected peripheral devices.

Q525.Which program is used to translate high-level programming code into low-level machine language before execution?

Easy
A Tabulator
B Compiler
C Assembler
D None of these
Programming Basics PPSC

Correct Answer: B

A compiler translates an entire source program written in a high-level programming language (e.g., C, C++) into binary-coded low-level machine code.

Q526.Which language is primarily used internally by digital computers to process and execute instructions?

Easy
A Assembly language
B Binary language
C Python
D Java
Programming Basics PPSC

Correct Answer: B

Digital computers internally process data and instructions using Binary Language (composed of 0s and 1s), which represents the electrical 'on/off' states of transistors.

Q527.Which of the following is a relational database management application?

Easy
A MS Access
B MS Excel
C MS PowerPoint
D None of these
Database Basics PPSC

Correct Answer: A

Microsoft Access is a Database Application that provides a relational database engine and tools to create tables, queries, forms, and reports.

Q528.Which of the following terms refers to the ability of an operating system to automatically detect and configure a new hardware component?

Easy
A Formatting
B Multiprocessing
C Multi programming
D Plug and play
Operating Systems PPSC

Correct Answer: D

Plug and Play (PnP) is a technology that automatically detects, configures, and allocates system resources to new hardware.

Q529.Microsoft PowerPoint is primarily written in which programming language?

Easy
A C
B C++
C Java
D None of these
Programming Basics PPSC

Correct Answer: B

The backend and main framework of Microsoft Office application suites, including PowerPoint, are developed using C++.

Q530.In software engineering, how do algorithms and flowcharts assist developers?

Easy
A They calculate the RAM capacity
B They help specify and visualize the problem completely and clearly
C They determine the binary base
D None of these
Programming Basics PPSC

Correct Answer: B

Algorithms and flowcharts are logical modeling tools used to map, plan, and specify programming steps clearly before writing code.

Q531.In relational databases, what does enabling the 'Cascade Delete' referential integrity option ensure?

Easy
A It repeats the deletion to all tables
B It automatically deletes related records in child tables when the parent record is deleted
C It deletes all records in the database
D None of these
Database Basics PPSC

Correct Answer: B

Cascade Delete maintains relational consistency by automatically removing orphan records in child tables when their referenced primary record is deleted.

Q532.The Macintosh (Mac OS) operating system was developed and is owned by which company?

Easy
A Samsung
B Microsoft
C Apple
D IBM
Operating Systems PPSC

Correct Answer: C

Apple Inc. developed and maintains macOS (historically Mac OS) exclusively for its line of Macintosh personal computers.

Q533.In software engineering, what does the abbreviation API stand for?

Easy
A Algorithmic Protocol Interface
B Adapter Protocol Interface
C Application Programming Interface
D Accelerated Programming Interface
Programming Basics PPSC

Correct Answer: C

API stands for Application Programming Interface, which is a set of protocols allowing different software applications to communicate.

Q534.In programming and computer science, what term refers to the formal grammatical rules that govern the structure of data or statements?

Easy
A Struct
B Syntax
C Semantics
D None of these
Programming Basics PPSC

Correct Answer: B

Syntax refers to the formal rules governing the structure and formatting of code or data. Semantics deals with the actual meaning.

Q535.Which of the following is a classic example of a Relational Database Management System (RDBMS)?

Easy
A MS Word
B ORACLE
C Adobe Photoshop
D MS PowerPoint
Database Basics PPSC

Correct Answer: B

Oracle is a widely used relational database management system designed for enterprise-level data storage and transactional processing.

Q536.Complete the analogy: Blueprint is to Architect as ______ is to Programmer.

Easy
A Designer
B Engineer
C Physician
D Algorithm
Programming Basics PPSC

Correct Answer: D

An architect uses a blueprint to lay out structures, while a programmer uses an algorithm to lay out logical software steps.

Q537.Microsoft's FoxPro is classified as a(n) ______?

Easy
A Sect
B Medicine
C Disease
D Programming Language & DBMS
Programming Basics PPSC

Correct Answer: D

Visual FoxPro was a data-centric object-oriented programming language and relational database management system (DBMS).

Q538.What is the name of the small configuration file that allows the computer's operating system to communicate with specific hardware devices?

Easy
A Application
B Control Software
C Driver
D None of these
Operating Systems PPSC

Correct Answer: C

A device driver is low-level system software that acts as an interface translator between OS commands and physical hardware.

Q539.In spreadsheets and data processing, what is the action of converting rows into columns and vice-versa called?

Easy
A Database Mode
B VAT
C Transposing
D None of these
Database Basics PPSC

Correct Answer: C

Transposing interchanges the vertical and horizontal axes of a grid, shifting row values into column values.

Q540.In a computer file system, which element operates in a similar fashion to physical file folders used in traditional offices?

Easy
A Documents
B Filing
C Directories
D Recycle bin
Operating Systems PPSC

Correct Answer: C

Directories (also called folders in modern GUIs) are logical containers used to organize and house computer files.