Question Bank
MPHC Senior Computer Programmer Assistant Exam - English
Duration: 120 · Questions: 100 · Max Marks: 100 · Language: 1
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Concerned Subject
1
Which generation of computers introduced the widespread use of Integrated Circuits (ICs)?
2
Which memory is directly accessed by the Arithmetic Logic Unit (ALU) during instruction execution?
3
Which storage device typically provides the lowest access latency?
4
Which software category acts as an interface between computer hardware and application programs?
5
Which of the following is classified as firmware?
6
Which memory hierarchy arrangement is correct from fastest to slowest?
7
Which input device captures images by sensing reflected light?
8
Which device combines both input and output functionality?
9
Which number system uses radix 16?
10
The binary euivalent of hexadecimal 3F is?
11
Which coding system is commonly used to represent alphanumeric characters in computers?
12
Which memory is volatile?
13
Which scheduling algorithm may lead to starvation of long processes?
14
Which CPU scheduling algorithm guarantees that every process gets CPU time after a fixed interval?
15
Which scheduling algorithm is non-preemptive by default?
16
Which scheduling algorithm gives preference to the process with the smallest remaining execution time?
17
Which operating system component is primarily responsible for process creation and termination?
18
Which state transition occurs when a process reuests an I/O operation?
19
Which memory management techniue allows non-contiguous memory allocation?
20
In paging, the logical address is divided into?
21
Which page replacement algorithm replaces the page that has not been used for the longest time?
22
Which page replacement algorithm provides the minimum possible page faults theoretically?
23
Belady's anomaly is associated mainly with which page replacement algorithm?
24
Which condition is necessary for deadlock to occur?
25
Which deadlock handling techniue avoids unsafe states?
26
Banker's algorithm is used for?
27
Which file allocation method provides direct access with minimal external fragmentation?
28
Which file system structure organizes files into parent-child relationships?
29
Which Linux command displays the current working directory?
30
Which Linux command changes file permissions?
31
Which Linux command displays running processes?
32
Which Linux command is used to search text patterns inside files?
33
Which Windows command displays network configuration details?
34
Which Windows utility is commonly used to manage disks and partitions graphically?
35
Which Windows shortcut opens the Run dialog box?
36
Which operating system is designed to guarantee response within a predefined time limit?
37
Which type of real-time operating system cannot tolerate missed deadlines?
38
Which operating system allows multiple users to interact simultaneously with the system?
39
Which operating system improves CPU utilization by keeping multiple programs in memory simultaneously?
40
Which operating system distributes processing among interconnected computers?
41
Which cache mapping techniue allows a memory block to be placed in any cache line?
42
Which cache mapping techniue offers a balance between speed and flexibility?
43
Which storage medium provides non-volatile memory with no moving mechanical parts?
44
Which of the following is an example of secondary storage?
45
Which scheduling criterion measures the percentage of time the CPU remains busy?
46
Which scheduling criterion represents the number of completed processes per unit time?
47
Which system software translates high-level language programs into machine code before execution?
48
Which interrupt is generated by a software instruction?
49
Which Linux command is used to create an empty file?
50
Which operating system service provides controlled access to files and directories while enforcing user permissions?
51
Which scheduling algorithm always selects the process with the highest priority for execution?
52
Which scheduling algorithm is most appropriate for interactive systems reuiring fast response?
53
Which CPU scheduling algorithm generally minimizes the average waiting time when burst times are known?
54
Which of the following is not one of Coffman's necessary conditions for deadlock?
55
Which deadlock prevention strategy eliminates the Hold and Wait condition?
56
Which memory management techniue suffers from external fragmentation?
57
Which memory management techniue may suffer from internal fragmentation?
58
Which register contains the address of the next instruction to be executed?
59
Which register stores the instruction currently being decoded?
60
Which memory is typically implemented using SRAM technology?
61
Which storage device provides seuential access rather than direct access?
62
Which I/O techniue allows CPU and peripherals to operate simultaneously?
63
Which interrupt mechanism allows an external device to signal the CPU immediately?
64
Which file system maintains a table containing information about every file cluster?
65
Which Windows file system supports journaling, encryption, and access control lists?
66
Which Linux file system is widely used as the default in modern Linux distributions?
67
Which Linux command displays disk usage statistics of mounted file systems?
68
Which Linux command displays the contents of a directory in long listing format?
69
Which Linux command is used to display the beginning of a text file?
70
Which Linux command displays the last lines of a file by default?
71
Which Linux command is used to rename or move files?
72
Which Linux command copies files or directories?
73
Which Linux command permanently deletes a file?
74
Which Linux command creates a new directory?
75
Which Linux command displays the username of the currently logged-in user?
76
Which Windows command checks the integrity of protected system files?
77
Which Windows utility is used to manage startup programs and services?
78
Which Windows command is primarily used to verify connectivity with another host?
79
Which Windows utility displays active network connections and listening ports?
80
Which binary value represents the decimal number 173?
81
Which hexadecimal value is euivalent to binary 110111101010?
82
Which coding techniue ensures that only one bit changes between consecutive values?
83
Which Unicode encoding uses variable-length code units of one to four bytes?
84
Which of the following is not a characteristic of an operating system kernel?
85
Which kernel architecture keeps only essential services in kernel mode?
86
Which kernel architecture executes most operating system services in kernel space?
87
Which process communication mechanism is suitable for communication between unrelated processes on the same system?
88
Which synchronization primitive is primarily used to control access to shared resources?
89
Which semaphore operation decreases the semaphore value before entering the critical section?
90
Which semaphore operation increases the semaphore value after leaving the critical section?
91
Which scheduling metric is defined as the time from process submission to its completion?
92
Which scheduling metric measures the delay before a process gets CPU service for the first time?
93
Which scheduling metric represents the total time a process spends in the ready ueue?
94
Which techniue allows programs larger than physical memory to execute?
95
Which memory management feature translates virtual addresses into physical addresses?
96
Which page table enhancement reduces memory overhead for large virtual address spaces?
97
Which boot process loads the operating system kernel into memory?
98
Which operating system component performs context switching between processes?
99
Which command in Linux displays detailed information about the operating system kernel?
100
Which operating system service isolates one process from directly accessing another process's memory?