Q150. A computer virus is a kind of ______.
[CG Vyapam Teacher, 10 June 2023]
- Spreadsheet
- Software
- Operating system
- None of the above
Answer: B. Software
Explanation: A computer virus is malicious software designed to attach to files or programs and reproduce when activated. Viruses may corrupt information or disrupt systems. They differ from legitimate operating systems and spreadsheets, even though all are ultimately collections of executable instructions or data.
Q149. The digital divide refers primarily to what inequality?
[MPPSC State Services Prelims 2022 cycle (held 21 May 2023), Paper II]
- Unequal access to digital technology and the internet
- Different opinions about technology
- Unequal access to food only
- Differences in household income alone
Answer: A. Unequal access to digital technology and the internet
Explanation: The digital divide is the gap between people or groups that can effectively access and use digital devices and the internet and those who cannot. Infrastructure, affordability, skills and accessibility all contribute to unequal access to online services and opportunities.
Q148. Which Excel 365 keyboard shortcut applies italic formatting to a selected cell?
[SSC CHSL, 16 March 2023, Shift 3]
- Ctrl + 4
- Ctrl + 3
- Ctrl + 6
- Ctrl + 2
Answer: B. Ctrl + 3
Explanation: Ctrl + 3 toggles italic formatting in Excel for selected cells or content. Ctrl + 2 applies bold and Ctrl + 4 applies underline. Another commonly recognised shortcut for italics is Ctrl + I, depending on program and keyboard layout.
Q147. Which programming language should a candidate choose as a standard object-oriented language?
[SSC CHSL, 15 March 2023, Shift 3]
- Java or Pascal
- Pascal
- BASIC
- Java
Answer: D. Java
Explanation: Java is a class-based object-oriented programming language with inheritance, encapsulation and polymorphism. Traditional BASIC and Pascal are generally taught primarily as procedural languages, although modern dialects can add object-oriented features. The unambiguous option in the stated exam is Java.
Q146. In Excel 365, which shortcut repeats the preceding action when repetition is supported?
[SSC CHSL, 14 March 2023, Shift 2]
- Ctrl + Z
- Shift + Z
- Ctrl + Y
- Shift + Y
Answer: C. Ctrl + Y
Explanation: Ctrl + Y repeats the most recent repeatable action in Excel and can also redo an undone action in appropriate circumstances. Ctrl + Z performs Undo. Repeating a formatting step across several cells can save time during spreadsheet editing.
Q145. To which computer generation is the IBM System/360 family commonly assigned?
[SSC CHSL, 13 March 2023, Shift 3]
- Second
- First
- Third
- Fourth
Answer: C. Third
Explanation: IBM’s System/360 was announced in 1964 and is conventionally associated with the third generation of computers. That period introduced integrated-circuit technology and more compatible system families. The earlier two generations centred on vacuum tubes and individual transistors.
Q144. Which shortcut switches into Print Preview in Microsoft Word?
[SSC CHSL, 9 March 2023, Shift 2]
- Ctrl + Alt + P
- Ctrl + Alt + I
- Alt + P
- Alt + I
Answer: B. Ctrl + Alt + I
Explanation: The Ctrl + Alt + I keyboard combination toggles Print Preview in supported versions of Microsoft Word. Print Preview displays how pagination and layout will appear on paper. By contrast, Ctrl + P opens the Print screen and related settings.
Q143. Which medium is not based on magnetic data storage?
[SSC CGL Tier-II, 7 March 2023]
- Winchester hard disk
- Floppy disk
- Flash memory card
- Magnetic tape
Answer: C. Flash memory card
Explanation: A flash memory card stores information electronically in semiconductor cells and contains no magnetic recording medium. Hard disks, floppy disks and magnetic tape record patterns of magnetisation. Solid-state cards are generally compact and withstand movement better than rotating disks.
Q142. Which Excel shortcut selects the entire current worksheet row?
[SSC CGL Tier-II 2022 (held 7 March 2023)]
- Shift + Page Down
- Ctrl + Spacebar
- Shift + Page Up
- Shift + Spacebar
Answer: D. Shift + Spacebar
Explanation: Shift + Spacebar selects the active row in an Excel worksheet. Ctrl + Spacebar instead selects the entire column. These shortcuts let users apply formatting or perform row and column operations without dragging the mouse across hundreds of cells.
Q141. What does Ctrl + E do to the selected paragraph in Microsoft Word 365?
[SSC CGL Tier-II 2022 (held 7 March 2023)]
- Justifies it
- Centres it
- Aligns right
- Displays File options
Answer: B. Centres it
Explanation: Ctrl + E centres a paragraph horizontally between its margins in Microsoft Word. Ctrl + L aligns left, Ctrl + R aligns right and Ctrl + J justifies. Such shortcuts apply paragraph formatting rather than adding spaces manually.
