Computer Operator Past Paper 2026 Solved MCQs

Correct Answer: Circular Wait

In operating systems, a deadlock occurs when processes are stuck waiting for resources held by each other; although four conditions are necessary (mutual exclusion, hold and wait, no preemption, and circular wait), circular wait is considered the most direct cause, where each process waits in a cycle for another to release a resource, leading to a complete standstill.

Correct Answer: A process waits indefinitely for resources held by other processes

The correct answer is A process waits indefinitely for resources held by other processes, as asked in this question on Operating systems — deadlock.

Correct Answer: Google

The correct answer is Google, as asked in this question on Operating systems — Android.

Correct Answer: Hard Disk

The correct answer is Hard Disk, as asked in this question on Memory — virtual memory.

Correct Answer: John von Neumann

The correct answer is John von Neumann, as asked in this question on Computer history — stored program.

Correct Answer: I/O Interface

The correct answer is I/O Interface, as asked in this question on Computer architecture — Von Neumann.

Correct Answer: Registers

The correct answer is Registers, as asked in this question on Memory hierarchy.

Correct Answer: WAN

The correct answer is WAN, as asked in this question on Networks — types.

Correct Answer: 700 MB

The correct answer is 700 MB, as asked in this question on Storage — CD-ROM.

Correct Answer: .pptx

The correct answer is .pptx, as asked in this question on File extensions — PowerPoint.

Correct Answer: F4 (Cnty+y)

The correct answer is F4 (Cnty+y), as asked in this question on Excel shortcuts.

Correct Answer: Ctrl+Z

The correct answer is Ctrl+Z, as asked in this question on Shortcuts — undo.

Correct Answer: Print Layout View

The correct answer is Print Layout View, as asked in this question on MS Word — views.

Correct Answer: Insert Menu

The correct answer is Insert Menu, as asked in this question on MS Word — headers and footers.

Correct Answer: Shift+F5

The correct answer is Shift+F5, as asked in this question on PowerPoint shortcuts.

Correct Answer: Ctrl+M

The correct answer is Ctrl+M, as asked in this question on PowerPoint shortcuts.

Correct Answer: Graphical User interface

The correct answer is Graphical User interface, as asked in this question on Abbreviations — GUI.

Correct Answer: American standard code for information interchange

The correct answer is American standard code for information interchange, as asked in this question on Abbreviations — ASCII.

Correct Answer: Linux

The correct answer is Linux, as asked in this question on Operating systems — open source.

Correct Answer: Distributed version control system (DVCS)

The correct answer is Distributed version control system (DVCS), as asked in this question on Version control — Git.

Correct Answer: Transpose

The correct answer is Transpose, as asked in this question on Excel functions — Transpose.

Correct Answer: Winzip

The correct answer is Winzip, as asked in this question on Software — compression.

Correct Answer: Gigahertz

The correct answer is Gigahertz, as asked in this question on CPU speed.

Correct Answer: Archie

The correct answer is Archie, as asked in this question on Internet history — search engines.

Correct Answer: Creeper

The correct answer is Creeper, as asked in this question on Computer history — viruses.

Correct Answer: Operating System

The correct answer is Operating System, as asked in this question on Booting.

Correct Answer: Home> Editing > Select > Select All

The correct answer is Home> Editing > Select > Select All, as asked in this question on MS Word — select all.

Correct Answer: Bill Gates & Paul G Allen

The correct answer is Bill Gates & Paul G Allen, as asked in this question on Personalities — Microsoft.

Correct Answer: Hit Cotrl + R and then type ppoint.exe and enter

The correct answer is Hit Cotrl + R and then type ppoint.exe and enter, as asked in this question on Starting applications.

Correct Answer: Translate high level language into machine code

The correct answer is Translate high level language into machine code, as asked in this question on Compilers.

Correct Answer: Assign a keyboard shortcut to the macro

The correct answer is Assign a keyboard shortcut to the macro, as asked in this question on Macros.

Correct Answer: Design Tab

The correct answer is Design Tab, as asked in this question on PowerPoint — themes.

Correct Answer: Visual Basic

The correct answer is Visual Basic, as asked in this question on Macros — VBA.

Correct Answer: Performs logical test and return a value based result

The correct answer is Performs logical test and return a value based result, as asked in this question on Excel functions — IF.

Correct Answer: SMTP

The correct answer is SMTP, as asked in this question on Protocols — email.

Correct Answer: Router

The correct answer is Router, as asked in this question on Network devices.

Correct Answer: Submit

The correct answer is Submit, as asked in this question on SQL keywords.

Correct Answer: Left

The correct answer is Left, as asked in this question on MS Word — alignment.

Correct Answer: F5

The correct answer is F5, as asked in this question on PowerPoint shortcuts — slide show.

Correct Answer: Cell

The correct answer is Cell, as asked in this question on Excel — cell.

Correct Answer: F2

The correct answer is F2, as asked in this question on Excel shortcuts — edit cell.

Correct Answer: Ctrl+Page Down

The correct answer is Ctrl+Page Down, as asked in this question on Excel shortcuts — sheets.

Correct Answer: Insert Tab

The correct answer is Insert Tab, as asked in this question on Excel — pivot tables.

Correct Answer: 128 bits

The correct answer is 128 bits, as asked in this question on Networking — IPv6.

Correct Answer: All of these

The correct answer is All of these, as asked in this question on Databases — primary key.

Correct Answer: A column containing the primary key of another table

The correct answer is A column containing the primary key of another table, as asked in this question on Databases — foreign key.

Correct Answer: Lisp

The correct answer is Lisp, as asked in this question on Languages — AI.

Correct Answer: 11

The correct answer is 11, as asked in this question on MS Word — default font size.

Correct Answer: Field

The correct answer is Field, as asked in this question on Databases — data units.

Correct Answer: 0 and 1

The correct answer is 0 and 1, as asked in this question on Number systems — binary.

Correct Answer: Binary

The correct answer is Binary, as asked in this question on Number systems — binary.

Correct Answer: File extension

The correct answer is File extension, as asked in this question on Files — identification.

Correct Answer: Word processor

The correct answer is Word processor, as asked in this question on Software — Google Docs.

Correct Answer: Water fall

The correct answer is Water fall, as asked in this question on Software models — waterfall.

Correct Answer: Agile

The correct answer is Agile, as asked in this question on Agile — Scrum.

Correct Answer: Debugging

The correct answer is Debugging, as asked in this question on Debugging.

Correct Answer: Transponders

The correct answer is Transponders, as asked in this question on Communication satellites — transponders.

Correct Answer: LIFO

The correct answer is LIFO, as asked in this question on Data structures — stack.

Correct Answer: Blockchain

The correct answer is Blockchain, as asked in this question on Blockchain.

Correct Answer: The kernel

The correct answer is The kernel, as asked in this question on Operating systems — kernel.

Correct Answer: Fork

The correct answer is Fork, as asked in this question on Unix — system calls.

Correct Answer: Improve Data Storage

The correct answer is Improve Data Storage, as asked in this question on Storage — RAID.

Correct Answer: Enhance storage performance by distributing data across multiple drives

The correct answer is Enhance storage performance by distributing data across multiple drives, as asked in this question on Storage — RAID.

Correct Answer: To perform a vertical lookup and return a value based on specific criteria

The correct answer is To perform a vertical lookup and return a value based on specific criteria, as asked in this question on Excel functions — VLOOKUP.

Correct Answer: MAX ()

The correct answer is MAX (), as asked in this question on Excel functions — MAX.

Correct Answer: SUM ()

The correct answer is SUM (), as asked in this question on Excel functions — SUM.

Correct Answer: Both B & C

The correct answer is Both B & C, as asked in this question on Excel — workbook.

Correct Answer: Arithmetic and logical operations

The correct answer is Arithmetic and logical operations, as asked in this question on CPU — ALU.

Correct Answer: USB Drive

The correct answer is USB Drive, as asked in this question on Backup — Windows 10.

Correct Answer: Recovery process

The correct answer is Recovery process, as asked in this question on Operating systems — checkpoints.

Correct Answer: Recovery process

The correct answer is Recovery process, as asked in this question on Operating systems — checkpoints.

Correct Answer: Database on external server

The correct answer is Database on external server, as asked in this question on Databases — external database.

Correct Answer: Relation

The correct answer is Relation, as asked in this question on Databases — relational model.

Correct Answer: Using float

The correct answer is Using float, as asked in this question on Programming — data types.

Correct Answer: References Tab

The correct answer is References Tab, as asked in this question on MS Word — table of contents.

Correct Answer: WordArt (Picture format)

The correct answer is WordArt (Picture format), as asked in this question on MS Word — artistic effects.

Correct Answer: MOD()

The correct answer is MOD(), as asked in this question on Excel functions — MOD.

Correct Answer: Operating System

The correct answer is Operating System, as asked in this question on Operating systems — macOS.

Correct Answer: Operands & Operators

The correct answer is Operands & Operators, as asked in this question on Programming — expressions.

Correct Answer: SISD

The correct answer is SISD, as asked in this question on Computer architecture — Flynn taxonomy.

Correct Answer: .pdf

The correct answer is .pdf, as asked in this question on File formats — Excel.

Correct Answer: 80

The correct answer is 80, as asked in this question on Protocols — HTTP port.

Correct Answer: Protocol Network

The correct answer is Protocol Network, as asked in this question on Protocols — definition.

Correct Answer: ICMP

The correct answer is ICMP, as asked in this question on Protocols — routing.

Correct Answer: Telnet

The correct answer is Telnet, as asked in this question on Protocols — Telnet.

Correct Answer: Process Layer

The correct answer is Process Layer, as asked in this question on OSI model.

Correct Answer: Asymmetric Key cryptography

The correct answer is Asymmetric Key cryptography, as asked in this question on Cryptography — asymmetric.

Correct Answer: Star Topology

The correct answer is Star Topology, as asked in this question on Network topologies — star.

Correct Answer: Transport Layer

The correct answer is Transport Layer, as asked in this question on OSI model — transport layer.

Correct Answer: The Maximum size of the single data packet that can be transmitted

The correct answer is The Maximum size of the single data packet that can be transmitted, as asked in this question on Networking — MTU.

Correct Answer: The maximum data transfer rate of a network connection

The correct answer is The maximum data transfer rate of a network connection, as asked in this question on Networking — bandwidth.

Correct Answer: Complete graph

The correct answer is Complete graph, as asked in this question on Graphs — complete graph.

Correct Answer: Attenuation

The correct answer is Attenuation, as asked in this question on Fiber optics — attenuation.

Correct Answer: Worm

The correct answer is Worm, as asked in this question on Malware — worms.

Correct Answer: SUM(Sales)/(10-5)

The correct answer is SUM(Sales)/(10-5), as asked in this question on Excel formulas — syntax.

Correct Answer: Slides

The correct answer is Slides, as asked in this question on PowerPoint — presentations.

Correct Answer: S????

The correct answer is S????, as asked in this question on MS Access — wildcards.

Correct Answer: Network interface card

The correct answer is Network interface card, as asked in this question on Network hardware — NIC.

Correct Answer: Computer

The correct answer is Computer, as asked in this question on Analogy — lock and password.

Correct Answer: To speedup data search

The correct answer is To speedup data search, as asked in this question on Databases — indexing.