11. A byte addressable computer has a memory capacity of 2^m K bytes and can perform 2^n operations An instruction involving 3 operands and one operator needs maximum of ? Byte addressable computer में instruction के लिए कितने bits चाहिए? (UGC NET 2014)
A. 3m bits
B. 3m+n bits
C. m+n bits
D. 3m+n+30 bits
Correct Answer: D
Explanation (EN): Instruction size includes operand address bits and opcode bits.
Explanation (HI): Instruction size में operand और opcode bits शामिल होते हैं.
12. In the indexed scheme of blocks to a file the maximum possible size of the file depends on Indexed file system में file size किस पर depend करता है? (UGC NET 2015)
A. Number of blocks and index size
B. Size of block and size of address
C. Size of index
D. Size of block
Correct Answer: B
Explanation (EN): Depends on number of pointers and block size.
Explanation (HI): Pointers और block size पर निर्भर करता है.
13. A micro instruction format has F1 F2 F3 fields each having seven micro operations CD for four status bits BR for four options and address field of 128 locations What is instruction size? Microinstruction size कितना होगा? (UGC NET 2017)
A. 17 bits
B. 20 bits
C. 24 bits
D. 32 bits
Correct Answer: B
Explanation (EN): Total bits calculated = 20 bits.
Explanation (HI): Total bits = 20 bits.
14. The register that stores the bits required to mask the interrupts is Interrupt mask करने वाला register कौन-सा है? (UGC NET 2016)
A. Interrupt status register
B. Interrupt service register
C. Interrupt mask register
D. Interrupt request register
Correct Answer: C
Explanation (EN): IMR stores mask bits to enable or disable interrupts.
Explanation (HI): IMR interrupts को enable या disable करता है.
15. Given assembly instructions what is value of AX register after execution? AX register का final value क्या होगा? (UGC NET 2017)
A. 0270H
B. 01070H
C. 01E0H
D. 0370H
Correct Answer: A
Explanation (EN): Final AX value is 0270H after execution.
Explanation (HI): Final AX value 0270H आता है.
16. The contents of register BL and AL are 49H and 3AH respectively After SUB AL BL what are AL CF SF? SUB operation के बाद AL CF SF क्या होंगे? (UGC NET 2017)
A. AL=0FH CF=1 SF=1
B. AL=F0H CF=0 SF=0
C. AL=F1H CF=1 SF=1
D. AL=1FH CF=1 SF=1
Correct Answer: C
Explanation (EN): Result is negative so CF and SF set.
Explanation (HI): Result negative होने पर CF और SF set होते हैं.
17. Consider program fragment what are values of AX and CX after loop? Loop execution के बाद AX और CX क्या होंगे? (UGC NET 2017)
A. AX=FFF5H CX=0H
B. AX=FFF6H CX=0H
C. AX=FFF7H CX=0AH
D. AX=FFF5H CX=0AH
Correct Answer: B
Explanation (EN): Loop runs until CX becomes zero resulting AX=FFF6H.
Explanation (HI): Loop के बाद CX zero और AX=FFF6H होता है.
18. After execution of given instructions what are AX and CF? Instructions के बाद AX और CF क्या होंगे? (UGC NET 2017)
A. AX=003CH CF=0
B. AX=001EH CF=0
C. AX=007BH CF=1
D. AX=00B7H CF=1
Correct Answer: A
Explanation (EN): Final result AX=003CH CF=0.
Explanation (HI): Final result AX=003CH CF=0.
19. Consider statements about special purpose registers which are correct? Special purpose registers के बारे में कौन-से statements सही हैं? (UGC NET 2024)
A. A and C only
B. B and D only
C. A and D only
D. A B and C only
Correct Answer: A
Explanation (EN): PC tracks next instruction and accumulator holds result.
Explanation (HI): PC next instruction track करता है और accumulator result रखता है.
20. The fault can be easily diagnosed in microprogram control unit using diagnostic tools by maintaining contents of Microprogram control unit में fault detect करने के लिए क्या maintain करते हैं? (UGC NET 2019)
A. Assembly program
B. Flags and counters
C. Registers and counters
D. Flags registers and counters
Correct Answer: D
Explanation (EN): All three help in diagnosis.
Explanation (HI): तीनों diagnosis में मदद करते हैं.
