The type of cryptography in which one key is public and the other is private is called? A. Asymmetric Key cryptography B. Hash cryptography C. Symmetric Key cryptography D. Quantum cryptography Correct answer is: A. Asymmetric Key cryptography 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
A. Asymmetric Key cryptography B. Hash cryptography C. Symmetric Key cryptography D. Quantum cryptography
An External database is referred to? A. create in word B. Created DMBS Package C. Database created in EXCEL D. Database on external server Correct answer is: D. Database on external server 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
A. create in word B. Created DMBS Package C. Database created in EXCEL D. Database on external server
In which network topology is a single central point failure (e.g., via a DoS—Denial of Service attack on the hub) most likely to disrupt the entire network? A. Star Topology B. Mesh Topology C. Bus Topology D. Ring Topology Correct answer is: A. Star Topology 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
In a relational database, a table is also called? A. Tuple B. Relation C. Attribute D. Domain Correct answer is: B. Relation 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
Which OSI layer is responsible for end-to-end communication and error handling? A. Network Layer B. Transport Layer C. Session Layer D. Data Link Layer Correct answer is: B. Transport Layer 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
Which of the following is not a valid data type in C/C++? A. Long Long B. long double C. Using float D. Wchar-t Correct answer is: C. Using float 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
In networking MTU refers to? A. Maximum Transfer Unit B. Minimum Transmission Unit C. Maximum Throughput Unit D. The Maximum size of the single data packet that can be transmitted Correct answer is: D. The Maximum size of the single data packet that can be transmitted 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
A. Maximum Transfer Unit B. Minimum Transmission Unit C. Maximum Throughput Unit D. The Maximum size of the single data packet that can be transmitted
A computer primarily uses which number system? A. Decimal B. Binary C. Hexadecimal D. Octal Correct answer is: B. Binary 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
In networking Bandwidth refers to? A. The maximum data transfer rate of a network connection B. The frequency of the signal C. The distance data travels D. The physical width of the cable Correct answer is: A. The maximum data transfer rate of a network connection 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
A. The maximum data transfer rate of a network connection B. The frequency of the signal C. The distance data travels D. The physical width of the cable
In MS Word, a table of contents can be inserted from? A. Home Tab B. References Tab C. Layout Tab D. Design Tab Correct answer is: B. References Tab 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
In graph in which every node is connected to other node is called? A. Directed graph B. Weighted graph C. Complete graph D. Sparse graph Correct answer is: C. Complete graph 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
On which principle does stack work? A. FIFO B. LIFO C. FILO D. LILO Correct answer is: B. LIFO 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
What is the shortcut key to move to next sheet in a workbook? A. Ctrl+Home B. Ctrl+End C. Ctrl+Page Down D. Ctrl+Page Up Correct answer is: C. Ctrl+Page Down 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
A decentralized, distributed digital ledger consisting of records is called: A. Database B. Cloud storage C. Blockchain D. Data Warehouse Correct answer is: C. Blockchain 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
In which tab how to insert pivot table? A. Home Tab B. Formulas Tab C. Insert Tab D. Data Tab Correct answer is: C. Insert Tab 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
Which part of operating system is responsible for the most fundamental control over all the computer’s hardware devices? A. Shell B. The kernel C. Device drivers D. File system Correct answer is: B. The kernel 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
IPv6 is based on? A. 128 bits B. 36 bits C. 48 bits D. None Correct answer is: A. 128 bits 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
What is the function of RAID? A. Improve processing B. Improve Data Storage C. Improve graphics D. Improve Network speed Correct answer is: B. Improve Data Storage 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
Primary key is a? A. Uniquely identifies each record B. Auto number is example of key C. Cannot be repeated D. All of these Correct answer is: D. All of these 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
A. Uniquely identifies each record B. Auto number is example of key C. Cannot be repeated D. All of these
What is the function of the VLOOKUP function in Excel? A. To perform a horizontal lookup B. To perform a calculation C. To perform a vertical lookup and return a value based on specific criteria D. To format data Correct answer is: C. To perform a vertical lookup and return a value based on specific criteria 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
A. To perform a horizontal lookup B. To perform a calculation C. To perform a vertical lookup and return a value based on specific criteria D. To format data
Foreign key is a? A. A column containing the primary key of another table B. Use to design data type C. Define null status D. A key used for encryption Correct answer is: A. A column containing the primary key of another table 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
A. A column containing the primary key of another table B. Use to design data type C. Define null status D. A key used for encryption
Which function is used the highest number in excel is found using the? A. MAX () B. MIN () C. AVERGE () D. COUNT () Correct answer is: A. MAX () 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
Which language is used for AI? A. Python B. Lisp C. Ruby D. Java Correct answer is: A. Python 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
Which function is used to calculate the total sum of given values? A. AVERGE () B. SUM () C. COUNT () D. 1 MIN () Correct answer is: B. SUM () 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar
What is the Default font size in used in MS-Word? A. 11 B. 12 C. 13 D. 10 Correct answer is: A. 11 📖 Read Detailed Explanation → Computer Science MCQS Past Paper Computer Operator in Revenue Department Leave a Comment | Umar