MCQOPTIONS
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MCQOPTIONS
This section includes 950 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science Engineering (CSE) knowledge and support exam preparation. Choose a topic below to get started.
| 301. |
The developed program's performance, is affected by |
| A. | Algorithm |
| B. | Compiler |
| C. | Operating system |
| D. | All above |
| Answer» E. | |
| 302. |
Microprocessors, that are present in home appliances are considered as the best example of |
| A. | Desktop Computers |
| B. | Embedded Computers |
| C. | Servers |
| D. | Mini Computers |
| Answer» C. Servers | |
| 303. |
Index register involves adding an |
| A. | Index |
| B. | Instruction |
| C. | Information |
| D. | I/O device |
| Answer» B. Instruction | |
| 304. |
The length of 80x86 instructions can vary between |
| A. | 1 to 10 bytes |
| B. | 2 to 8 bytes |
| C. | 2 to 17 bytes |
| D. | 1 to 17 bytes |
| Answer» E. | |
| 305. |
During the execution of a program which gets initialized first ? |
| A. | MDR |
| B. | IR |
| C. | PC |
| D. | MAR |
| Answer» D. MAR | |
| 306. |
Register allocation algorithms are particularly based on the technique, named as |
| A. | Low-level optimizations |
| B. | High-level optimizations |
| C. | Phase-ordering problem |
| D. | Graph coloring |
| Answer» E. | |
| 307. |
Vector architectures are operated on vectors of |
| A. | Memory |
| B. | Data |
| C. | Registers |
| D. | Graph coloring |
| Answer» C. Registers | |
| 308. |
Computer bus line is consists of |
| A. | registers |
| B. | accumulators |
| C. | set of parallel lines |
| D. | computer clock |
| Answer» D. computer clock | |
| 309. |
Creating and translating the program, which one of the following is used |
| A. | Software system |
| B. | Hardware system |
| C. | Compiler |
| D. | Interpreter |
| Answer» B. Hardware system | |
| 310. |
When the call procedure saving the registers which it wants to be preserved to access even after the call, is refered to as |
| A. | Caller saving |
| B. | Callee saving |
| C. | Calls |
| D. | Jumps |
| Answer» B. Callee saving | |
| 311. |
For two computers X and Y, if the performance of computer X is greater than the performance of computer Y, we have |
| A. | PerformanceX =2PerformanceX |
| B. | PerformanceX =PerformanceX |
| C. | PerformanceX < PerformanceY |
| D. | PerformanceX > PerformanceY |
| Answer» E. | |
| 312. |
In instruction format, address of any data location is said to be |
| A. | function code |
| B. | instruction code |
| C. | operand |
| D. | logical code |
| Answer» D. logical code | |
| 313. |
The EEPROM chip is physically similar to the chip. |
| A. | EPROM |
| B. | Minterm |
| C. | POS |
| D. | Either a or b |
| Answer» B. Minterm | |
| 314. |
A___________ is a semiconductor memory device used to store information, which is permanent in nature. |
| A. | Last table |
| B. | RAM |
| C. | K- Map |
| D. | ROM |
| Answer» E. | |
| 315. |
Each end of a bus in computer bus network topology is termed as |
| A. | node |
| B. | switch |
| C. | sensor |
| D. | terminator |
| Answer» E. | |
| 316. |
Branch instruction 'JUMP IF ZERO' is an example of |
| A. | transferring branch |
| B. | conditional branch |
| C. | unconditional branch |
| D. | arithmetic branch |
| Answer» C. unconditional branch | |
| 317. |
I/O instruction Control is used to activate an |
| A. | Interrupt driven I/O |
| B. | Internal device |
| C. | External device |
| D. | I/O devices |
| Answer» D. I/O devices | |
| 318. |
Processor is often referred to |
| A. | Central Processing Unit |
| B. | Hardware |
| C. | System Bus |
| D. | I/O Modules |
| Answer» B. Hardware | |
| 319. |
Address registers contain main memory addresses of |
| A. | Scheduling |
| B. | Registers |
| C. | Protocols |
| D. | Data and instruction |
| Answer» E. | |
| 320. |
If computer A execute a program in 10 seconds and computer B runs the same in 15 seconds, how much faster is computer A than computer B |
| A. | 1.4 times |
| B. | 1.5 times |
| C. | 1 time |
| D. | 5.1 times |
| Answer» C. 1 time | |
| 321. |
Optimization, known as basic block, by the compiler people is |
| A. | Global common sub-expression elimination |
| B. | High-level optimizations |
| C. | Local optimizations |
| D. | Global optimizations |
| Answer» D. Global optimizations | |
| 322. |
Data stores in |
| A. | Monitor |
| B. | Mouse |
| C. | secondary storage |
| D. | Keyboard |
| Answer» D. Keyboard | |
| 323. |
Computer B having execution time 110 ns and computer A having 1001 then |
| A. | A is 9.1 times as fast as B for programs |
| B. | B is 9.1 times as fast as A for programs |
| C. | A is 8 times as fast as B for programs |
| D. | B is 8 times as fast as A for programs |
| Answer» C. A is 8 times as fast as B for programs | |
| 324. |
The Input devices can send information to the processor, |
| A. | When the SIN status flag is set |
| B. | When the data arrives regardless of the SIN flag |
| C. | Neither of the cases |
| D. | Either of the cases |
| Answer» B. When the data arrives regardless of the SIN flag | |
| 325. |
______ bus structure is usually used to connect I/O devices . |
| A. | Single |
| B. | Multiple |
| C. | Star |
| D. | Ra |
| Answer» B. Multiple | |
| 326. |
The 8-bit encoding format used to store data in a computer is ______ . |
| A. | ASCII |
| B. | EBCDIC |
| C. | ANCI |
| D. | USCII |
| Answer» C. ANCI | |
| 327. |
The ______ format is usually used to store data . |
| A. | BCD |
| B. | Decimal |
| C. | Hecadecimal |
| D. | Octal |
| Answer» B. Decimal | |
| 328. |
A source program is usually in _______ . |
| A. | Assembly language |
| B. | Machine level language |
| C. | High-level language |
| D. | Natural language |
| Answer» D. Natural language | |
| 329. |
Which memory device is generally made of semi-conductors ? |
| A. | RAM |
| B. | Hard-disk |
| C. | Floppy disk |
| D. | Cd disk |
| Answer» B. Hard-disk | |
| 330. |
The control unit controls other units by generating ____ . |
| A. | Control signals |
| B. | Timing signals |
| C. | Transfer signals |
| D. | Command Signals |
| Answer» C. Transfer signals | |
| 331. |
The small extremely fast, RAM’s are called as _______ . |
| A. | Cache |
| B. | Heaps |
| C. | Accumulators |
| D. | Stacks |
| Answer» B. Heaps | |
| 332. |
The ALU makes use of _______ to store the intermediate results . |
| A. | Accumulators |
| B. | Registers |
| C. | Heap |
| D. | Stack |
| Answer» B. Registers | |
| 333. |
______ are numbers and encoded characters, generally used as operands . |
| A. | Input |
| B. | Data |
| C. | Information |
| D. | Stored Values |
| Answer» C. Information | |
| 334. |
DMA interface unit eliminates the need to use CPU registers to transfer datafrom |
| A. | MBR to MAR |
| B. | MAR to MBR |
| C. | Memory to I/O units |
| D. | I/O units to memory |
| Answer» D. I/O units to memory | |
| 335. |
Which of the following technology can give high speed RAM? |
| A. | CMOS |
| B. | TTL |
| C. | NMOS |
| D. | ECL |
| Answer» E. | |
| 336. |
Associative memory is some times called as |
| A. | Cache memory |
| B. | Virtual memory |
| C. | Content addressable memory |
| D. | Main memory |
| Answer» D. Main memory | |
| 337. |
In a non-vectored interrupt, the address of interrupt service routine is |
| A. | Supplied by the interrupting I/O device. |
| B. | Obtained from interrupt address table. |
| C. | Assigned to a fixed memory location. |
| D. | Obtained through Vector address generator device. |
| Answer» D. Obtained through Vector address generator device. | |
| 338. |
Which of the following architecture is/are not suitable for realizing SIMD |
| A. | Array Processor |
| B. | Vector Processor |
| C. | All of the above |
| D. | Von Neumann |
| Answer» E. | |
| 339. |
The content of a 4-bit register is initially 1101. The register is shifted 2 times tothe right with the serial input being 1011101.What is the content of the register after each shift? |
| A. | 0001, 1000 |
| B. | 1110, 0111 |
| C. | 1001, 1001 |
| D. | 1101, 1011 |
| Answer» C. 1001, 1001 | |
| 340. |
Zero address instruction format is used for |
| A. | CISC architecture. |
| B. | RISC architecture. |
| C. | Stack-organized architecture. |
| D. | Von-Neuman architecture. |
| Answer» D. Von-Neuman architecture. | |
| 341. |
BCD equivalent of Two\'s complement is |
| A. | ten's complement |
| B. | nine's complement |
| C. | none of these |
| D. | one's complement 1 |
| Answer» E. | |
| 342. |
In a virtual memory system, the addresses used by the programmer belongs to |
| A. | physical addresses. |
| B. | memory space. |
| C. | main memory address |
| D. | address space. |
| Answer» E. | |
| 343. |
A more efficient way to organise a Page Table is by means of an associativememory having |
| A. | Number of words more than the number of pages |
| B. | Number of words equal to number of pages |
| C. | Any of the above |
| D. | Number of words less than the number of pages |
| Answer» C. Any of the above | |
| 344. |
Stack overflow causes |
| A. | External interrupt |
| B. | Hardware interrupt. |
| C. | Software interrupt. |
| D. | Internal interrupt. |
| Answer» E. | |
| 345. |
The instruction, Add R1,R2,R3 in RTN is |
| A. | r3=r1+r2+r3 |
| B. | r3<-[r1]+[r2]+[r3] |
| C. | r3=[r1]+[r2] |
| D. | r3<-[r1]+[r2] |
| Answer» E. | |
| 346. |
The instruction, Add Loc,R1 in RTN is |
| A. | addsetcc loc+r1 |
| B. | r1=loc+r1 |
| C. | not possible to write in rtn |
| D. | r1<-[loc]+[r1] |
| Answer» E. | |
| 347. |
In the following indexed addressing mode instruction, MOV 5(R1), LOC the effective address is |
| A. | ea = 5+r1 |
| B. | ea = r1 |
| C. | ea = [r1] d) ea = 5+[r1] |
| D. | |
| Answer» E. | |
| 348. |
                is used to detect and correct the errors that may occur during data transfers. |
| A. | ecc |
| B. | crc |
| C. | checksum |
| D. | none of the mentioned |
| Answer» B. crc | |
| 349. |
The disk drive is connected to the system by using the |
| A. | pci bus |
| B. | scsi bus |
| C. | hdmi |
| D. | isa |
| Answer» C. hdmi | |
| 350. |
                is used to deal with the difference in the transfer rates between the drive and the bus. |
| A. | data repeaters |
| B. | enhancers |
| C. | data buffers |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |