Computer & Information Technology

436

Q130. What kind of software secretly records typed passwords and keystrokes?

[SSC CGL Tier-II 2022 cycle, held 7 March 2023]

1. Computer virus generally
2. Keylogger
3. Worm generally
4. Ransomware

Answer: B. Keylogger

Explanation: A keylogger collects keyboard input and can reveal confidential credentials or messages. It may be implemented as malicious software or hardware. Ransomware chiefly extorts by restricting access, while worms primarily self-propagate.

Q129. The malware family CryptoLocker is an example of what?

[SSC CGL Tier-II 2022 cycle, held 7 March 2023]

1. Ransomware
2. Adware
3. Spyware
4. Worm

Answer: A. Ransomware

Explanation: CryptoLocker is known for encrypting victims’ files and demanding payment for decryption, making it ransomware. Advertising software and spyware may be harmful but do not necessarily encrypt files for extortion.

Q128. In Microsoft Word, what does Ctrl+E do?

[SSC CGL Tier-II 2022 cycle, held 7 March 2023]

1. Justify paragraph
2. Centre-align paragraph
3. Right-align paragraph
4. Open file menu

Answer: B. Centre-align paragraph

Explanation: Ctrl+E applies centre alignment to the current paragraph or selected paragraphs. Justification uses a different shortcut, and right alignment is not the same as placing text symmetrically between margins.

Q127. What is the result of =MATCH(12,{10,13,30,40,60},1) in Excel?

[SSC CGL Tier-II 2022 cycle, held 7 March 2023]

1. 0
2. 1
3. #N/A
4. 2

Answer: B. 1

Explanation: With match type 1, MATCH locates the largest sorted entry not exceeding the lookup value. Ten is the first eligible value when looking for twelve, so its one-based position is returned.

Q126. Which transport protocol segments application data for delivery across IP networks and supports ordered reliable transfer?

[SSC CGL Tier-II, 6 March 2023]

1. PPP
2. HTTP
3. TCP
4. SMTP

Answer: C. TCP

Explanation: Transmission Control Protocol uses sequence numbers, acknowledgments and retransmission to provide a reliable byte stream between endpoints. Internet Protocol addresses and forwards packets. PPP is a link-layer protocol, while HTTP and SMTP serve web browsing and electronic mail.

Q125. Which listed keyboard shortcut closes the Word application window?

[SSC CGL Tier-II 2022 (held 6 March 2023)]

1. Ctrl + F3
2. Alt + F3
3. Alt + F4
4. Shift + F5

Answer: C. Alt + F4

Explanation: Alt + F4 is a common Windows shortcut for closing the active application window. A program may ask to save any unsaved document first. It differs from navigation or formatting shortcuts and works across many Windows desktop applications.

Q124. Which keyboard combination creates a blank new workbook in Excel 2010?

[SSC CGL Tier-II 2022 (held 6 March 2023)]

1. Ctrl + N
2. Alt + Shift + W
3. Alt + Shift + N
4. Ctrl + W

Answer: A. Ctrl + N

Explanation: Ctrl + N creates a new workbook from the default blank workbook template in Excel. Ctrl + W normally closes the active workbook window. Creating a workbook is different from adding a worksheet to an already open file.

Q123. Regarding Excel MATCH(), assess:
P. It returns a matched item’s relative position.
Q. Syntax includes an optional match_type.
R. Every argument is mandatory.

Which statements hold?

[SSC CGL Tier-II 2022 (held 6 March 2023)]

1. Q only
2. All P, Q and R
3. P and R only
4. P and Q only

Answer: D. P and Q only

Explanation: MATCH locates an item within a lookup array and reports its relative position. Its syntax is MATCH(lookup_value, lookup_array, [match_type]), making match_type optional. Since all arguments are not mandatory, P and Q are true but R is false.

Q122. Which buttons normally appear on Word 2010’s Quick Access Toolbar by default?

[SSC CGL Tier-II 2022 (held 6 March 2023)]

1. Undo, Redo, Name
2. Undo, Redo, Cut
3. Paste, Redo, Copy
4. Save, Undo, Redo

Answer: D. Save, Undo, Redo

Explanation: The default Quick Access Toolbar provides frequently used commands such as Save, Undo and Redo. Users may customise it with other commands or move its display position. This toolbar supplies quick access without changing the document’s contents directly.

Q121. Which port transmits a byte as a sequence of individual bits, rather than sending all its bits together?

[SSC CGL Tier-II 2022 cycle (held 6 March 2023)]

1. Parallel port
2. USB as a category of display ports
3. Serial port
4. Display port

Answer: C. Serial port

Explanation: A serial connection sends data bits sequentially along a communication path. Traditional serial ports were used for modems and other peripherals. In contrast, a classic parallel interface places several bits on multiple signal lines at the same time.