RRB Technician Grade I (Signal) 2024, 2025 PYQs

Concept: GPU = Graphics Processing Unit – a special electronic circuit on the graphics card that accelerates graphics and image processing.

1. Statement i is false: GPU is not "Graphical User Interface" (that is GUI).
2. Statement ii is true – GPUs are built to accelerate and enhance computer graphics and image processing.
3. Statement iii is true – the GPU is an electronic circuit found on the graphics card.
4. Only the option containing ii and iii without i fits.

Trick: GPU ≠ GUI. GPU = hardware (Processing Unit), GUI = software (User Interface).

Answer: (C) Only ii and iii

Concept: Font weight describes how thick or heavy the strokes of a typeface are (Light, Regular, Bold, Extra-Bold).

1. In MS Word, applying Bold (Ctrl + B) increases the font weight – the letters become thicker.
2. Style (italic/underline), colour and character spacing are separate font properties, not weight.

Yaad rakhein: Weight = "bhaari-pan" = thickness of the letters.

Answer: (D) The thickness of the font

Concept: A computer virus is malicious code that attaches itself to programs/files and spreads, damaging data and disrupting normal operation.

1. Typical effects: programs crash or malfunction, files get corrupted or deleted, the system slows down or shows unwanted pop-ups.
2. A virus never improves boot time, updates or hardware performance – those options describe the opposite of what malware does.

Yaad rakhein: Virus = harm. Any option that says "improve/optimise/accelerate" is wrong.

Answer: (C) By causing software to malfunction or crash

Concept: The bootloader (e.g. GRUB) is the first program that runs after BIOS/UEFI; it loads the Linux kernel into memory and starts it.

1. Boot sequence: BIOS/UEFI → Bootloader (GRUB) → Kernel → Init system (systemd) → Daemons/services → Login.
2. The kernel manages hardware after it is loaded; init starts services; daemons are background processes – none of them controls the boot-up itself.

Yaad rakhein: "Boot" is in the name – the Boot-loader controls the boot-up.

Answer: (D) Bootloader

Concept: A spreadsheet program (Excel, Calc, Google Sheets) organises data in a grid of rows and columns called cells.

1. On opening, it shows a blank workbook: columns A, B, C… and rows 1, 2, 3… forming a grid of cells, with A1 selected.
2. A blank document is a word-processor view and a slide belongs to presentation software.

Yaad rakhein: Word → page, PowerPoint → slide, Excel → grid of cells.

Answer: (A) A blank spreadsheet with grids and cells

Concept: Sleep keeps the current session in RAM at very low power, so the PC wakes up in seconds.

1. Sleep: open programs stay in RAM; wake-up is almost instant – ideal for short breaks.
2. Hibernate: saves RAM contents to the hard disk and powers off; resuming is slower – better for long breaks.
3. Shutdown/Restart close everything, so work has to be reopened.

Yaad rakhein: Sleep = short nap (RAM); Hibernate = long winter sleep (disk).

Answer: (D) Sleep

Concept: In Excel, removing whole columns is done with the Delete command (right-click → Delete or Home → Cells → Delete), not with the Delete key.

1. Select several column headers (click–drag or Ctrl + click), right-click and choose Delete – all selected columns are removed and the remaining ones shift left.
2. Pressing the Delete key or using Clear only erases the contents; the empty columns stay in place.
3. Find and Replace changes text, it cannot remove columns.

Yaad rakhein: Delete key = clears data; Delete command = removes the cells/columns themselves.

Answer: (B) Select the columns, then right-click and press "Delete"

Concept: Ctrl + Shift + Esc opens Windows Task Manager directly in one step.

1. Ctrl + Alt + Delete opens a security screen from which Task Manager must be chosen – not direct.
2. Windows + R opens the Run box (you would still have to type taskmgr).
3. Ctrl + Windows + Enter is not a Task Manager shortcut.

Yaad rakhein: "Esc" from a hung program → Ctrl + Shift + Esc = Task Manager.

Answer: (C) Ctrl + Shift + Escape

Concept: A print area is a selected range of cells that will be printed instead of the whole worksheet.

1. In Excel: select the range → Page Layout → Print Area → Set Print Area; only that range goes to the printer.
2. Highlighting uses Fill Colour, freezing uses Freeze Panes and font size is a formatting option – none relates to printing a range.

Yaad rakhein: Print Area = "print only this part".

Answer: (B) To define the range of cells to be printed

Concept: Different social platforms serve different purposes; LinkedIn is built for professional networking.

1. LinkedIn (launched 2003, owned by Microsoft) is used for job search, recruitment, professional profiles and business connections.
2. Facebook and Instagram are general social/photo-sharing platforms; Twitter (X) is a micro-blogging platform.

Yaad rakhein: Jobs, résumé, recruiters → LinkedIn.

Answer: (D) LinkedIn

Concept: PowerPoint offers several views; Slide Sorter View shows all slides as thumbnails so you can drag them to reorder, add sections, hide or delete slides.

1. Normal View – editing a single slide; Reading View / Slide Show – presenting.
2. Slide Sorter (View tab → Slide Sorter) – reorganising the sequence of slides.

Yaad rakhein: "Sorter" = sort/arrange order of slides.

Answer: (B) Slide Sorter View

Concept: In Windows applications, Ctrl + click selects individual non-adjacent items; Shift + click selects a continuous range.

1. To select multiple slides one by one, hold Ctrl and click each slide thumbnail.
2. Shift + click would select every slide between the first and last clicked; Home and Alt do not select.

Yaad rakhein: Ctrl = pick and choose; Shift = range.

Answer: (A) Ctrl

Concept: Antivirus software is designed to isolate (quarantine), clean or delete infected files safely; the user should follow its prompts.

1. Quarantine moves the infected file to a safe area so it cannot run, letting the software remove it or restore it if it was a false alarm.
2. Ignoring the warning spreads the infection; manually deleting files may remove needed system files; backing up first may copy the virus into the backup.

Yaad rakhein: Detect → Quarantine → Remove – let the antivirus do it.

Answer: (A) Follow the software's instructions to quarantine or remove the virus.

Concept: By worldwide usage share, Google is far ahead, followed by Microsoft Bing, then Yahoo and Russia's Yandex.

1. Google handles roughly 90% of global searches; Bing is a distant second (about 3–4%).
2. Yahoo (whose search is powered by Bing) comes next; Yandex is popular mainly in Russia.
3. Order: II (Google), III (Bing), I (Yahoo), IV (Yandex).

Yaad rakhein: G → B → Y → Y (Google, Bing, Yahoo, Yandex).

Answer: (C) II, III, I, IV

Concept: MS Word accepts font sizes typed directly into the Font Size box within a fixed range.

1. Allowed range: 1 to 1638 points, in steps of 0.5 (e.g. 10.5, 105.5).
2. The drop-down list only shows 8–72, but any value in the range can be typed.
3. Shortcut: Ctrl + ] / Ctrl + [ changes size by 1 pt; Ctrl + Shift + > / < jumps through list sizes.

Yaad rakhein: Word font size: 1 → 1638, half-point steps.

Answer: (B) Between 1 and 1638, in multiples of .5 (such as 10.5 or 105.5)

Concept: Netiquette (network etiquette) is the set of courteous behaviours expected online – respect for others' time and opinions, honesty and prompt, polite communication.

1. Responding promptly to messages respects the other person's time, a core netiquette rule ("respect other people's time and bandwidth").
2. Ignoring others' opinions (option A) clearly violates netiquette.
3. Sending respectful emails and citing sources are also good online conduct, but the expected answer here is prompt response to messages.

Yaad rakhein: Netiquette = be respectful, be honest, reply in time.

Answer: (D) Responding promptly to messages

Concept: Input devices send data into the computer; output devices present data to the user.

1. Mouse, Optical Character Reader and digitizer (graphics tablet) all feed data in → input devices.
2. A speaker converts electrical signals into sound for the user → output device.

Yaad rakhein: Monitor, printer, speaker, plotter, projector = output.

Answer: (B) Speaker

Concept: MS Word lets you split the document window into two panes to view two parts of the same document.

1. Shortcut: Ctrl + Alt + S (View tab → Split); pressing it again removes the split.
2. Ctrl + Y = Redo; Ctrl + Alt + C = © symbol; Alt + Shift + C = remove split/close pane in some versions.

Yaad rakhein: Ctrl + Alt + S = Split.

Answer: (C) Ctrl + Alt + S

Concept: DAC and MAC are the two classic access-control models in computer security.

1. DAC – Discretionary Access Control: the owner of a resource decides who may access it (e.g. file permissions in Windows/Linux).
2. MAC – Mandatory Access Control: the system enforces access by security labels/clearances (e.g. military systems, SELinux); users cannot change it.
3. "Direct" and "Multiple" are not access-control terms (MAC also means Media Access Control in networking, which is different).

Yaad rakhein: DAC = owner's Discretion; MAC = Mandatory by system.

Answer: (C) Discretionary Access Control and Mandatory Access Control

Concept: HTTP defines request methods that tell the server what action to perform on a resource.

1. GET requests (retrieves) a resource – every time a browser loads a web page it sends a GET.
2. POST sends data to the server (forms), PUT uploads/replaces a resource, DELETE removes one.

Yaad rakhein: GET = get the page; POST = post the form.

Answer: (D) GET