Computer Test 52

Total Questions: 31

1 - Which of the following is a high-level programming language?

A ) Assembly language

B ) Machine language

C ) C++ ✅

D ) Binary code

Explanation: A high-level programming language is designed to be human-readable and allows programmers to write code using more abstract and user-friendly syntax. Among the options provided, "C++" is a high-level programming language that fits this description.

2 - What does the acronym "CPU" stand for in computer terminology?

A ) Central Processing Unit ✅

B ) Computer Processing Unit

C ) Core Processing Unit

D ) Central Programming Unit

Explanation:

✅CPU stands for Central Processing Unit
✅RAM" stands for Random Access Memory
✅"URL" stands for Uniform Resource Locator
✅GPU stands for Graphics Processing Unit
✅CAD stands for Computer Aided Design
✅NAFTA stands for North American Free Trade Agreement
✅FAT stands for File Allocation Table.
✅DBMS stands for Database Management System.
✅JPEG stands for Joint Photographic Experts Group.
✅FM stands for Frequency Modulation.
✅AM stands for Amplitude Modulation.
✅YAHOO stands for "Yet Another Hierarchically Organized Oracle."
✅PSTN stands for Public Switched Telephone Network.
✅ISP stands for Internet Service Provider.

3 - Which data structure follows the Last In, First Out (LIFO) principle?

A ) Queue

B ) Stack ✅

C ) Linked List

D ) Array

Explanation: A data structure that follows the LIFO principle means that the last element added to the structure will be the first one to be removed. Among the options provided, a "Stack" data structure follows this LIFO principle.

4 - The process of converting high-level programming code into machine code is known as:

A ) Compilation ✅

B ) Interpretation

C ) Interpretation

D ) Debugging

Explanation: The process of converting high-level programming code written in languages like C++, Java, etc., into machine code that the computer's CPU can understand and execute is called "Compilation."

5 - Which protocol is used for transferring files between a client and a server over the internet?

A ) TCP/IP

B ) HTTP

C ) FTP ✅

D ) SMTP

Explanation: File Transfer Protocol (FTP) is used for transferring files between a client and a server over the internet. It allows users to upload and download files to and from a remote server.

6 - What is the binary equivalent of the decimal number 25?

A ) 11001 ✅

B ) 10001

C ) 11010

D ) 10101

Explanation: Decimal number 25 can be converted to binary by successive division by 2, resulting in "11001" as its binary equivalent.

7 - Which programming language is primarily used for web development and is designed to be dynamic and interactive?

A ) Java

B ) Python

C ) JavaScript ✅

D ) C#

Explanation: JavaScript is a programming language primarily used for web development. It enables the creation of dynamic and interactive elements on web pages, making it an essential component of modern web development.

8 - What does the acronym "RAM" stand for in computer memory terminology?

A ) Read-Only Memory

B ) Random Access Memory ✅

C ) Remote Access Memory

D ) Read Access Memory

Explanation:

✅ RAM stands for: Random Access Memory

✅ Definition:
RAM is a type of computer memory that allows data to be read and written quickly in any order (randomly).
✅ Volatility:
RAM is volatile memory → data is lost when power is turned off.
✅ Function:
- Stores programs and data that the CPU is currently using.
- Makes the system fast by allowing quick access.
✅ Types of RAM:
- SRAM (Static RAM)
- DRAM (Dynamic RAM)
- SDRAM, DDR, DDR2, DDR3, DDR4, DDR5.

9 - In a database, which keyword is used to retrieve specific data records based on specified criteria?

A ) SELECT ✅

B ) UPDATE

C ) DELETE

D ) INSERT

Explanation: The "SELECT" keyword is used in database queries to retrieve specific data records from a table based on specified conditions or criteria.

10 - Which component of the operating system manages the allocation and de-allocation of hardware resources to different applications?

A ) Kernel

B ) Compiler

C ) Scheduler ✅

D ) Debugger

11 - Which type of software provides an interface for the user to interact with the computer and its applications?

A ) System software

B ) Utility software

C ) Application software ✅

D ) Firmware

Explanation: Application software is designed to perform specific tasks and provide functionality for end-users. It includes applications like word processors, web browsers, photo editors, and games, which users interact with directly to perform various activities.

12 - Which type of programming language uses a combination of natural language and code to make programming easier for beginners?

A ) Low-level language

B ) High-level language

C ) Scripting language

D ) Visual programming language ✅

Explanation: Visual programming languages use graphical elements and symbols, rather than text-based code, to make programming more accessible to beginners. Users can drag and drop blocks or objects to create programs, making it easier to understand the program's logic and structure.

13 - What does the acronym "URL" stand for in the context of web addresses?

A ) Universal Routing Locator

B ) Uniform Resource Locator ✅

C ) Universal Resource Link

D ) Unified Routing Link

Explanation:

✅CPU stands for Central Processing Unit
✅RAM" stands for Random Access Memory
✅"URL" stands for Uniform Resource Locator
✅GPU stands for Graphics Processing Unit
✅CAD stands for Computer Aided Design
✅NAFTA stands for North American Free Trade Agreement
✅FAT stands for File Allocation Table.
✅DBMS stands for Database Management System.
✅JPEG stands for Joint Photographic Experts Group.
✅FM stands for Frequency Modulation.
✅AM stands for Amplitude Modulation.
✅YAHOO stands for "Yet Another Hierarchically Organized Oracle."
✅PSTN stands for Public Switched Telephone Network.
✅ISP stands for Internet Service Provider.

14 - ـــــــــــ are the blank space around the edges of the page.

A ) Bullets

B ) Tables

C ) Borders

D ) Page margins ✅

Explanation: Page Margins are the white space strips that run around the edges of a page in a word document.

15 - Page Margins are the white space strips that run around the edges of a page in a word document

A ) Data

B ) Data Transmission ✅

C ) Analog signals

D ) Hard Disk

Explanation: Data transmission is the process of sending digital or analog data over a communication medium to one or more computing, network, communication or electronic devices.

16 - A worksheet is an electronic spreadsheet that lets users to:

A ) Calculate data ✅

B ) Mouse

C ) data

D ) Keyboard

Explanation: A worksheet is an electronic spreadsheet that lets users to Calculate, Enter & Analyze data. A spreadsheet is a computer application for computation, organization, analysis and storage of data in tabular form.

17 - In MS excel, a _____________ identifies a range by the cells located at diagonally opposed corners.

A ) Range ✅

B ) Range Address

C ) Cell

D ) Box

Explanation: In MS excel, a range identifies a range by the cells located at diagonally opposed corners. A range is a group of cells in a spreadsheet that have been selected. If the cells are all together in a rectangular or square shape, it is an adjacent range.

18 - Shortcut key open the Replace Dialog Box is:

A ) Ctrl + A

B ) Ctrl + H ✅

C ) Ctrl + Z

D ) Ctrl + C

Explanation: Ctrl+D key is used to open the Font dialog box with the focus on the Font combo box. Ctrl+F12 opens a document in the Word. Ctrl+D key is used to open the Font dialog box. Ctrl + H is used to open the Replace Dialog Box.

19 - The office clipboard is available in all windows based programs and can be used to:

A ) Cut ✅

B ) Move

C ) Up

D ) Down

Explanation: The office clipboard is available in all windows based programs and can be used to cut, copy and paste. The Office Clipboard allows you to copy items from Office documents or other programs and paste them into another Office document.

20 - When you cut text, it is removed from its original location and placed in a temporary storage are called

A ) Recycle bin

B ) Clipboard ✅

C ) Temporary storage

D ) Data

Explanation: A clipboard is a temporary storage area for data that the user wants to copy from one place to another.

21 - CPU consists of __________ basic components.

A ) Arithmetic and Logic Unit ✅

B ) Data

C ) Data Bus

D ) Power

Explanation: A computer system consists of a computer case, a power supply unit, a motherboard, a central processing unit, main memory, and a hard disk drive. Input devices include a keyboard, mouse, microphone, video camera, and image scanner.

22 - Volatile memory is computer memory that ____ power (electricity) to maintain the stored information.

A ) Required ✅

B ) Not required

C ) May require

D ) Work

Explanation: Volatile memory is a computer memory that requires power to maintain the stored information. Volatile memory retains its contents while powered on but when the power is interrupted, the stored data is quickly lost.

23 - In flow chart, __________ represents input or output:

A ) Oval

B ) Parallelogram ✅

C ) Line

D ) Page

Explanation: Parallelogram represents the input and output symbols in a flowchart; it also represents data in general.

24 - Flowchart is a _________ representation of algorithm_?

A ) Diagrammatic ✅

B ) Linked

C ) Unlinked

D ) Supply

Explanation: Flowchart is a symbolic and diagrammatic representation of algorithm A flowchart is nothing but a pictorial representation of an algorithm.

25 - ______ is powerful publishing software that handles Urdu, Arabic Persian English languages?

A ) Java

B ) Word Press

C ) InPage ✅

D ) MS Windows

Explanation: In Page Urdu is only powerful publishing software that included Urdu, Arabic, Persian, English and other language.

26 - To solve a given problem by using a computer, you need to write _____ for it.

A ) A book

B ) A program ✅

C ) Pseudo code

D ) A statement

Explanation: A program is a set of step-by-step instructions that directs the computer to do the tasks you want it to do and produce the results you want.

27 - __________ reads characters printed in a special magnetic ink into the computer.

A ) Smart Card

B ) MICR system ✅

C ) Magnetic Stripe system

D ) Tape

Explanation: MICR reads characters printed in a special magnetic ink into the computer. MICR stands for magnetic ink character recognition.

28 - In MS Excel window the __________ menu system is how user navigates through Excel and access the various Excel commands.

A ) Slide

B ) First

C ) Ribbon ✅

D ) Main

Explanation: You can find Excel commands throughout the tabs in the Ribbon. You can customize the Quick Access Toolbar by adding commands you frequently use.

29 - A table is grid of cells arranged in:

A ) Rows ✅

B ) Cell

C ) Left

D ) Right

Explanation: Tables are useful for various tasks such as presenting text information and numerical data. A table is a grid of cells arranged in rows and columns.

30 - The man who conceived the first Computer the British inventor named:

A ) Charles Babbage ✅

B ) Blaise Pascal

C ) Tim Berners-Lee

D ) Barbara Liskov

Explanation: Charles Babbage was an inventor from UK. Charles Babbage is known as the Father of Computer. Babbage born: 1791 Babbage died: 1871

31 - Which of the following is not a Communication?

A ) Talking

B ) Running ✅

C ) Talking to people

D ) Idea

Explanation: Communication means exchange of ideas. Running is not a communication. Verbal communication refers to the use of words for communication purposes.