Computer MCQ Questions asked in JKSSB Junior Assistant Exam held on 19 April 2026
Hardware and Operating Systems
1. Match the following devices with their corresponding descriptions:
Devices: 1. Haptic Gloves,
2. Tactile Display,
3. Voice Response Unit (VRU),
4. Data Glove
Statements: i. Generates tactile sensations,
ii. Captures fine hand/finger movements,
iii. Detect user gestures and provide force feedback,
iv. Generates synthesized audio output.
A) 1-ii, 2-i, 3-iv, 4-iii
B) 1-ii, 2-iv, 3-i, 4-iii
C) 1-iii, 2-iv, 3-i, 4-ii
D) 1-iii, 2-i, 3-iv, 4-ii
Correct Answer: D
Logic: Haptic gloves provide force feedback (iii), tactile displays generate sensations (i), VRU is for audio (iv), and data gloves capture movement (ii).
B) Preempt resources from one process and allocate to another
C) Increase the priority of all processes in the deadlock
D) Increase the priority of one of the processes in the deadlock
Correct Answer: B
Logic: Resource preemption is a standard recovery technique. Changing priorities does not release the physical resources causing the deadlock.
II. Under priority inheritance, the low-priority process temporarily inherits the higher priority...
III. Priority inversion can be completely avoided if all processes are scheduled in round-robin fashion.
B) 1-ii, 2-iv, 3-i, 4-iii
C) 1-iii, 2-iv, 3-i, 4-ii
D) 1-iii, 2-i, 3-iv, 4-ii
Correct Answer: D
Logic: Haptic gloves provide force feedback (iii), tactile displays generate sensations (i), VRU is for audio (iv), and data gloves capture movement (ii).
2. In a system with multiple processes and resource types, which of the following is a valid method to recover from a deadlock?
A) Decreasing the CPU priority of all processesB) Preempt resources from one process and allocate to another
C) Increase the priority of all processes in the deadlock
D) Increase the priority of one of the processes in the deadlock
Correct Answer: B
Logic: Resource preemption is a standard recovery technique. Changing priorities does not release the physical resources causing the deadlock.
3. Consider a system using preemptive priority scheduling... Which of the statements are correct?
I. Priority inversion can occur...II. Under priority inheritance, the low-priority process temporarily inherits the higher priority...
III. Priority inversion can be completely avoided if all processes are scheduled in round-robin fashion.
IV. Starvation may still occur for low-priority processes even with priority inheritance.
A) I and II only
B) II and III only
C) II and IV only
D) I, II and IV only
Correct Answer: D
Logic: Statement III is false because round-robin doesn't solve the "resource holding" issue inherent in priority inversion.
B) You can apply different first-line indents... within the same style.
C) The Navigation Pane... cannot directly display comments.
D) In Track Changes, accepting a change permanently removes the author's metadata...
Correct Answer: A
Logic: Content controls can actually enforce specific types of data validation (like date pickers or specific list entries).
B) Using Page Break allows you to have different headers...
C) Headers and footers cannot be changed once set...
D) Headers and footers are automatically deleted when you close the document.
Correct Answer: A
Logic: Section breaks are required to decouple headers/footers between different parts of a document.
6. A company keeps sales data in column B... =IF(B2>=1000,"High",IF(B2>=500,"Medium","Low")). Which is correct?
A) The formula will always give an error.
B) The formula will give an error if B2 is blank.
C) The formula will give an error for non-numeric values in B2.
D) The formula will work correctly for all numeric values in B2.
B) II and III only
C) II and IV only
D) I, II and IV only
Correct Answer: D
Logic: Statement III is false because round-robin doesn't solve the "resource holding" issue inherent in priority inversion.
Microsoft Office (Word, Excel, PowerPoint)
4. Which of the following statements is NOT correct about MS Word?
A) A content control can restrict editing... however cannot enforce data validation.B) You can apply different first-line indents... within the same style.
C) The Navigation Pane... cannot directly display comments.
D) In Track Changes, accepting a change permanently removes the author's metadata...
Correct Answer: A
Logic: Content controls can actually enforce specific types of data validation (like date pickers or specific list entries).
5. Which of the following statements is true about MS Word?
A) Using Section Breaks allows different headers and footers in the same document.B) Using Page Break allows you to have different headers...
C) Headers and footers cannot be changed once set...
D) Headers and footers are automatically deleted when you close the document.
Correct Answer: A
Logic: Section breaks are required to decouple headers/footers between different parts of a document.
6. A company keeps sales data in column B... =IF(B2>=1000,"High",IF(B2>=500,"Medium","Low")). Which is correct?
A) The formula will always give an error.
B) The formula will give an error if B2 is blank.
C) The formula will give an error for non-numeric values in B2.
D) The formula will work correctly for all numeric values in B2.
Correct Answer: D
B) =SUMPRODUCT((B2:B10>=80), (C2:C10>=90))
C) =SUM(IF((B2:B10>=80), (C2:C10>=90),1,0))
D) None of these
Correct Answer: A
B) A table of data
C) A block of descriptive text
D) An Indented text
Correct Answer: B
Logic: You can convert text blocks and lists to SmartArt easily, but Table data cannot be "converted" directly; it must be copied/pasted into the SmartArt text pane.
B) Digital signatures in email encrypt the message body...
C) POP3 protocol is used to download emails from the server to a local computer.
D) Using BCC ensures the sender and recipients cannot see each other.
Correct Answer: C
Logic: POP3 (Post Office Protocol) is specifically designed for downloading mail to a local client.
B) TCP is faster than UDP because it does not perform error checking.
C) IPv6 uses 256-bit addresses...
D) ICMP is used primarily for application-layer data transfer...
Correct Answer: A
Logic: TCP is reliable and ordered, but it is "best-effort" regarding latency (timing).
B) ICMP is used to encrypt data packets...
C) IPv6 adoption eliminates the need for NAT because it provides a vastly larger address space.
D) HTTP/3 relies on TCP for faster connections...
Correct Answer: C
Logic: NAT was a "bandage" for the shortage of IPv4 addresses. With IPv6's massive address space, every device can have a public IP.
B) Operating system
C) Hardware platform and operating system
D) Operating system and data
Correct Answer: A
- Logic: This is a properly nested IF statement that covers all numeric ranges.
7. In Microsoft Excel... Which formula correctly counts the number of students who scored \ge 80 in Math and \ge 90 in Science?
A) =COUNTIFS(B2:B10,">=80",C2:C10,">=90")B) =SUMPRODUCT((B2:B10>=80), (C2:C10>=90))
C) =SUM(IF((B2:B10>=80), (C2:C10>=90),1,0))
D) None of these
Correct Answer: A
- Logic: COUNTIFS is the standard function for multiple criteria. While B could work if written perfectly, A is the direct, standard syntax.
8. In Microsoft PowerPoint, which of the following existing slide contents CANNOT be directly converted into SmartArt?
A) A bulleted listB) A table of data
C) A block of descriptive text
D) An Indented text
Correct Answer: B
Logic: You can convert text blocks and lists to SmartArt easily, but Table data cannot be "converted" directly; it must be copied/pasted into the SmartArt text pane.
Networking and Cloud Computing
9. Which of the following statements is correct about email functionality?
A) Email filters cannot automatically forward emails...B) Digital signatures in email encrypt the message body...
C) POP3 protocol is used to download emails from the server to a local computer.
D) Using BCC ensures the sender and recipients cannot see each other.
Correct Answer: C
Logic: POP3 (Post Office Protocol) is specifically designed for downloading mail to a local client.
10. Consider the following statements about TCP/IP and Internet communication:
A) TCP guarantees delivery and the correct order of packets, but not the timing.B) TCP is faster than UDP because it does not perform error checking.
C) IPv6 uses 256-bit addresses...
D) ICMP is used primarily for application-layer data transfer...
Correct Answer: A
Logic: TCP is reliable and ordered, but it is "best-effort" regarding latency (timing).
11. Which of the following statements about Internet routing and protocols is correct?
A) BGP is used primarily for routing within a single local network.B) ICMP is used to encrypt data packets...
C) IPv6 adoption eliminates the need for NAT because it provides a vastly larger address space.
D) HTTP/3 relies on TCP for faster connections...
Correct Answer: C
Logic: NAT was a "bandage" for the shortage of IPv4 addresses. With IPv6's massive address space, every device can have a public IP.
12. In the context of cloud computing in an IaaS model, what is managed by the service provider?
A) Networking hardwareB) Operating system
C) Hardware platform and operating system
D) Operating system and data
Correct Answer: A
- Logic: In Infrastructure as a Service (IaaS), the provider manages the physical "iron" (servers, storage, networking). The user is responsible for the OS and everything above it.