MCQOPTIONS
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MCQOPTIONS
This section includes 705 Mcqs, each offering curated multiple-choice questions to sharpen your Computers knowledge and support exam preparation. Choose a topic below to get started.
| 301. |
Floppy disk is related to which type of memory? |
| A. | external |
| B. | internal |
| C. | volatile |
| D. | A and B |
| Answer» B. internal | |
| 302. |
1 Kilobyte (KB) is equal to how many bytes? |
| A. | 1024 bytes |
| B. | 1024 megabytes |
| C. | 1024 gigabytes |
| D. | none of these |
| Answer» B. 1024 megabytes | |
| 303. |
When is Computer Literacy Day celebrated? |
| A. | 5 December |
| B. | 14 December |
| C. | 22 December |
| D. | 2 December |
| Answer» E. | |
| 304. |
Which of the following is an input unit? |
| A. | Mouse |
| B. | keyboard |
| C. | scanner |
| D. | all of which |
| Answer» E. | |
| 305. |
Who is the inventor of computer? |
| A. | von neumann |
| B. | JS Kilby |
| C. | Charles Babbage |
| D. | none of these |
| Answer» D. none of these | |
| 306. |
When did the great revolution come in the field of computer? |
| A. | 1977 |
| B. | 2000 |
| C. | 1955 |
| D. | 1960 |
| Answer» E. | |
| 307. |
When was the first modern computer invented? |
| A. | 1949 |
| B. | 1951 |
| C. | 1946 |
| D. | 1947 |
| Answer» D. 1947 | |
| 308. |
What was the name of the first computer? |
| A. | ATARIS |
| B. | ENIAC |
| C. | TANDY |
| D. | NOVELLA |
| Answer» C. TANDY | |
| 309. |
Which of the following terms is related to the features of cascading deletion? |
| A. | Automatic Talking Machine |
| B. | Data redundancy |
| C. | Referential integrity |
| D. | Indexing |
| Answer» D. Indexing | |
| 310. |
Access time for most of memories is measured in: |
| A. | Microseconds |
| B. | Milliseconds |
| C. | Nanoseconds |
| D. | Megahertz |
| Answer» D. Megahertz | |
| 311. |
Which register normally functions as a 16-bit counter that controls the sequence in which the instructions are fetched from memory? |
| A. | PC |
| B. | IR |
| C. | DR |
| D. | DAR |
| Answer» B. IR | |
| 312. |
What does CIM stand for? |
| A. | Computer Integrated Manufacturing |
| B. | Copy In Memory |
| C. | Computer International Management |
| D. | Computer Intel Marketing |
| Answer» B. Copy In Memory | |
| 313. |
A database consists of various components called: |
| A. | Data integrity |
| B. | Properties |
| C. | Entities |
| D. | Objects |
| Answer» E. | |
| 314. |
The loop which never ends is called: |
| A. | Infinite loop |
| B. | Running loop |
| C. | Continuous loop |
| D. | Nested loop |
| Answer» B. Running loop | |
| 315. |
Another term for a conditional operator is: |
| A. | Binary |
| B. | Iteration |
| C. | Selective |
| D. | Ternary |
| Answer» E. | |
| 316. |
The instructions that are given to the compiler before the beginning of actual program are: |
| A. | Alt+F9 |
| B. | Preprocessor directive |
| C. | Linking instructions |
| D. | C instructions |
| Answer» C. Linking instructions | |
| 317. |
Which key combination is used to run C program: |
| A. | Acronym |
| B. | Ctrl+S |
| C. | Alt+F5 |
| D. | Ctrl+F9 |
| Answer» E. | |
| 318. |
The total number of keywords in C are: |
| A. | 60 |
| B. | 42 |
| C. | 32 |
| D. | 50 |
| Answer» D. 50 | |
| 319. |
C language was developed by: |
| A. | Van Neumann |
| B. | Dennis Ritchie |
| C. | Charles Babbage |
| D. | John Backus |
| Answer» C. Charles Babbage | |
| 320. |
A space in computers memory set aside for some data that can be changed is called _________. |
| A. | Variable |
| B. | Constant |
| C. | Integer |
| D. | Floating Point |
| Answer» B. Constant | |
| 321. |
Which of the following components is used to convert first .c to first .exe? |
| A. | Compiler and header |
| B. | Header and linker |
| C. | Compiler and linker |
| D. | Compiler only |
| Answer» D. Compiler only | |
| 322. |
Which of the database objects allows to extract specific information from tables? |
| A. | Queries |
| B. | Forms |
| C. | Reports |
| D. | Records |
| Answer» B. Forms | |
| 323. |
Which of the following memories can be re-written by using electrical devices? |
| A. | Redlof |
| B. | ROM |
| C. | EEPROM |
| D. | EPROM |
| Answer» D. EPROM | |
| 324. |
A primary key that consists of more than one attribute is called a _________. |
| A. | Foreign key |
| B. | Composite key |
| C. | Multivalued key |
| D. | Global key |
| Answer» C. Multivalued key | |
| 325. |
An attribute in database is also known as _________. |
| A. | Tuple |
| B. | Relation |
| C. | Row |
| D. | Field |
| Answer» E. | |
| 326. |
The process to convert analog signals into digital signals is called ___________. |
| A. | PROM |
| B. | Demodulation |
| C. | Digitization |
| D. | Conversion |
| Answer» C. Digitization | |
| 327. |
An important property of fiber optic is ___________. |
| A. | Refraction |
| B. | Reflection |
| C. | Interface |
| D. | None Of These |
| Answer» B. Reflection | |
| 328. |
Data is transmitted block-by-block in ___________ transmission. |
| A. | Digital |
| B. | Analog |
| C. | Synchronous |
| D. | Asynchronous |
| Answer» D. Asynchronous | |
| 329. |
Which of the following standards were developed without any formal planning? |
| A. | De Facto |
| B. | De Jure |
| C. | ISO |
| D. | Both A and B |
| Answer» B. De Jure | |
| 330. |
Which one is the Bottom-most layer of OSI model? |
| A. | Data link |
| B. | Physical |
| C. | Network |
| D. | Transport |
| Answer» C. Network | |
| 331. |
Which of the following is LAN protocol? |
| A. | Ethernet |
| B. | ARCnet |
| C. | Token Ring |
| D. | All |
| Answer» E. | |
| 332. |
When you press a key, which device notifies the system software? |
| A. | Keyboard |
| B. | Keyboard Controller |
| C. | Keyboard Buffer |
| D. | Keyboard Handler |
| Answer» C. Keyboard Buffer | |
| 333. |
The software used for workgroup computing is called ___________. |
| A. | Shareware |
| B. | Freeware |
| C. | Groupware |
| D. | Both A and B |
| Answer» D. Both A and B | |
| 334. |
DOS was introduced by ________. |
| A. | IBM |
| B. | Xerox |
| C. | Microsoft |
| D. | Bell labs |
| Answer» D. Bell labs | |
| 335. |
The amount of time taken by a device to begin reading data is called ________. |
| A. | Disk mirroring |
| B. | Read time |
| C. | Access time |
| D. | Write time |
| Answer» D. Write time | |
| 336. |
Which of the following operating system is based on open-source software? |
| A. | Seek time |
| B. | Windows 2000 |
| C. | Windows NT |
| D. | Linux |
| Answer» E. | |
| 337. |
The computer can move data and instructions between storage and memory as needed, in a process called ________. |
| A. | Volatility |
| B. | Swapping |
| C. | Pipelining |
| D. | Exchanging |
| Answer» C. Pipelining | |
| 338. |
The type of reader commonly used to read bank cheques is ________. |
| A. | OPtical-mark reader |
| B. | Magnetic-ink reader |
| C. | Bar-code reader |
| D. | None Of These |
| Answer» C. Bar-code reader | |
| 339. |
Which of the following devices stores instructions that help the computer startup? |
| A. | Keyboard |
| B. | RAM |
| C. | ROM |
| D. | Hard disk |
| Answer» D. Hard disk | |
| 340. |
The most widely used code for representing characters in computers is ________. |
| A. | ASCII |
| B. | BCD |
| C. | EBCDIC |
| D. | None Of These |
| Answer» B. BCD | |
| 341. |
Which one is a Dot Matrix printer? |
| A. | Laser Printer |
| B. | Inkjet Printer |
| C. | Impact Printer |
| D. | Drum Printer |
| Answer» D. Drum Printer | |
| 342. |
CRT stands for? |
| A. | Cathode Rays Tube |
| B. | Clarity Rays Tube |
| C. | Crystal Rays Tube |
| D. | None Of These |
| Answer» B. Clarity Rays Tube | |
| 343. |
A computer program that translates one statement of program instructions at a time into machine language is called ________. |
| A. | New Trend File Saving |
| B. | Interpreter |
| C. | Compiler |
| D. | Simulator |
| Answer» C. Compiler | |
| 344. |
NTFS stands for? |
| A. | Help |
| B. | Network File Saving |
| C. | New Technology File System |
| D. | None Of These |
| Answer» D. None Of These | |
| 345. |
Which one is the Low-Level language? |
| A. | Visual Basics |
| B. | Java |
| C. | Assembly |
| D. | C++ |
| Answer» D. C++ | |
| 346. |
FormatC is an example of virus _________. |
| A. | Command Line Interface |
| B. | Logic Bomb |
| C. | Boot Sector |
| D. | Torjan Horse |
| Answer» E. | |
| 347. |
A modulator is used to convert: |
| A. | Digital signals into analog signals |
| B. | Analog signals into digital signals |
| C. | Both A and B |
| D. | None Of These |
| Answer» B. Analog signals into digital signals | |
| 348. |
Operating system, editors and debuggers come under? |
| A. | System software |
| B. | Application software |
| C. | Utilities |
| D. | None Of These |
| Answer» B. Application software | |
| 349. |
Which of the following coding schemes uses 4-bit code? |
| A. | Unicode |
| B. | ASCII |
| C. | EBCDIC |
| D. | BCD |
| Answer» E. | |
| 350. |
_________ is a collection of system programs that controls and co-ordinates the overall operations of a computer system. |
| A. | System software |
| B. | Operating system |
| C. | Utility program |
| D. | Device driver |
| Answer» C. Utility program | |