MCQOPTIONS
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MCQOPTIONS
This section includes 223 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
Which of the following is not currently a topic in computer science? |
| A. | Speech recognition |
| B. | Artificial intelligence |
| C. | Thermodynamics |
| D. | Multiprocessing |
| Answer» D. Multiprocessing | |
| 152. |
The daily processing of corrections to customer accounts best exemplifies the processing mode of: |
| A. | Batch processing |
| B. | Real-time processing |
| C. | Time-sharing |
| D. | Offline processing |
| Answer» B. Real-time processing | |
| 153. |
The Santa Clara Valley, California is popularly known as Silicon Valley of America because |
| A. | huge deposits of silicon are found there |
| B. | many silicon chip manufacturing firms are located there |
| C. | Santa Claus visits it every Christmas |
| D. | it is full of large grain sand |
| Answer» C. Santa Claus visits it every Christmas | |
| 154. |
An index register that is automatically incremented or decremented with each use is |
| A. | Auto index |
| B. | Asynchronous |
| C. | Assembler |
| D. | Compiler |
| Answer» B. Asynchronous | |
| 155. |
A memory bus is mainly used for communication between |
| A. | processor and memory |
| B. | processor and I/O devices |
| C. | I/O devices and memory |
| D. | input device and output device |
| Answer» B. processor and I/O devices | |
| 156. |
A storage device which is used to store data & information external to the main storage is known as |
| A. | Buffer |
| B. | Backing storage |
| C. | PROM |
| D. | Accumulator |
| Answer» C. PROM | |
| 157. |
Which type of display is the latest to be used for portable computer? |
| A. | LED display |
| B. | LCD display |
| C. | Plasma display |
| D. | Electroluminescent display |
| Answer» E. | |
| 158. |
Magnetic tape can serve as : |
| A. | secondary-storage media |
| B. | output media |
| C. | input media |
| D. | All of the above |
| Answer» E. | |
| 159. |
Conversion of an octal number 738 to binary number is |
| A. | 1101112 |
| B. | 1111002 |
| C. | 1100102 |
| D. | 1110112 |
| Answer» E. | |
| 160. |
The transistorized computer circuits were introduced in the |
| A. | First generation |
| B. | Second generation |
| C. | Third generation |
| D. | Fourth generation |
| Answer» C. Third generation | |
| 161. |
Which of the following registers hold the information before it goes to the decoder |
| A. | control register |
| B. | data register |
| C. | accumulator |
| D. | address register |
| Answer» C. accumulator | |
| 162. |
The language that is an input for statement translation is called |
| A. | Assembly language |
| B. | Source language |
| C. | High-level language |
| D. | Object language |
| Answer» C. High-level language | |
| 163. |
The equipment with which the computer talks to its users is called a |
| A. | word processor |
| B. | peripheral |
| C. | software |
| D. | diskette |
| Answer» C. software | |
| 164. |
The desirable characteristic(s) of a memory system is (are) |
| A. | speed and reliability |
| B. | low power consumption |
| C. | durability and compactness |
| D. | All of the above |
| Answer» E. | |
| 165. |
Which language was devised by Dr. Seymour Aubrey Papert? |
| A. | APL |
| B. | COBOL |
| C. | LOGO |
| D. | FORTRAN |
| Answer» D. FORTRAN | |
| 166. |
ASCII stands for |
| A. | American standard code for information interchange |
| B. | All purpose scientific code for information interchange |
| C. | American security code for information interchange |
| D. | American Scientific code for information interchange |
| Answer» B. All purpose scientific code for information interchange | |
| 167. |
Which access method is used for obtaining a record from a cassette tape? |
| A. | Direct |
| B. | Sequential |
| C. | Random |
| D. | All of the above |
| Answer» C. Random | |
| 168. |
A hashing scheme is used with |
| A. | sequential file organization |
| B. | direct file organization |
| C. | indexed sequential file organization |
| D. | partitioned file organization |
| Answer» C. indexed sequential file organization | |
| 169. |
An optical input device that interprets pencil marks on paper media is |
| A. | O.M.R |
| B. | Punch card reader |
| C. | Optical scanners |
| D. | Magnetic tape |
| Answer» B. Punch card reader | |
| 170. |
Time during which a job is processed by the computer is |
| A. | Delay time |
| B. | Real time |
| C. | Execution time |
| D. | Down time |
| Answer» D. Down time | |
| 171. |
Codes consisting of light and dark marks which may be optically read is known as |
| A. | Mnemonics |
| B. | Bar code |
| C. | Decoder |
| D. | All of the above |
| Answer» C. Decoder | |
| 172. |
Conversion of an octal number 208 to its binary number is |
| A. | 100002 |
| B. | 101112 |
| C. | 101102 |
| D. | 111102 |
| Answer» B. 101112 | |
| 173. |
Which is not a factor when categorizing a computer? |
| A. | Speed of the output device |
| B. | Amount of main memory the CPU can use |
| C. | Cost of the system |
| D. | Capacity of the hard disk |
| Answer» E. | |
| 174. |
The first practical commercial typewriter was invented in 1867 in the United States by |
| A. | Christopher Latham Sholes |
| B. | Carlos Glidden |
| C. | Samuel Soule |
| D. | All of the above |
| Answer» E. | |
| 175. |
First generation computers are characterised by |
| A. | Vaccum tubes and magnetic drum |
| B. | Minicomputers |
| C. | Magnetic tape and transistors |
| D. | All of the above |
| Answer» B. Minicomputers | |
| 176. |
Primary storage is _____ as compared to secondary storage. |
| A. | Slow and inexpensive |
| B. | Fast and inexpensive |
| C. | Fast and expensive |
| D. | Slow and expensive |
| Answer» D. Slow and expensive | |
| 177. |
A part located in the central processing unit that stores data & information is known as |
| A. | Core memory |
| B. | PROM |
| C. | EPROM |
| D. | ROM |
| Answer» B. PROM | |
| 178. |
Most important advantage of an IC is its |
| A. | Easy replacement in case of circuit failure |
| B. | Extremely high reliability |
| C. | Reduced cost |
| D. | Low power consumption |
| Answer» C. Reduced cost | |
| 179. |
The time required for the fetching and execution of one simple machine instruction is |
| A. | Delay time |
| B. | CPU cycle |
| C. | Real time |
| D. | Seek time |
| Answer» C. Real time | |
| 180. |
In a computer system, which device is functionally opposite of a Key-board? |
| A. | Mouse |
| B. | Trackball |
| C. | Printer |
| D. | Joystick |
| Answer» D. Joystick | |
| 181. |
A single packet on a data link is known as |
| A. | Path |
| B. | Frame |
| C. | Block |
| D. | Group |
| Answer» C. Block | |
| 182. |
A monitor's _____ is the distance between the holes in the mask behind the screen. This helps determine how sharp the dots appear. |
| A. | refresh rate |
| B. | dot pitch |
| C. | resolution |
| D. | color depth |
| Answer» C. resolution | |
| 183. |
The microelectronics is the technology of |
| A. | microwaves |
| B. | microcomputers |
| C. | chips |
| D. | automatic processing |
| Answer» D. automatic processing | |
| 184. |
What is meant by quad-density (QD) diskette? |
| A. | It is double-sided disk |
| B. | It is double density disk |
| C. | It has double the number of tracks per inch |
| D. | All of the above |
| Answer» E. | |
| 185. |
A common boundary between two systems is called |
| A. | Interdiction |
| B. | Interface |
| C. | Surface |
| D. | None of the above |
| Answer» C. Surface | |
| 186. |
A file containing relatively permanent data is |
| A. | Random file |
| B. | Transaction file |
| C. | Master file |
| D. | Sequential file |
| Answer» D. Sequential file | |
| 187. |
In a PC, how much memory is available to application software? |
| A. | 1024 KB |
| B. | 760 KB |
| C. | 640 KB |
| D. | 560 KB |
| Answer» D. 560 KB | |
| 188. |
Multiplication of 1112 by 1012 is |
| A. | 1100112 |
| B. | 1000112 |
| C. | 1111002 |
| D. | 1012 |
| Answer» C. 1111002 | |
| 189. |
Which part interprets program instructions and initiate control operations. |
| A. | Input |
| B. | Storage unit |
| C. | Logic unit |
| D. | Control unit |
| Answer» E. | |
| 190. |
An instruction that transfers program control to one or more possible paths is known as |
| A. | Utility program |
| B. | System software |
| C. | Broadband channel |
| D. | Application program |
| Answer» D. Application program | |
| 191. |
Which printer uses a combination of laser-beam & electro photographic techniques. |
| A. | Laser printers |
| B. | Dot-Matrix |
| C. | Line printer |
| D. | Daisy wheel |
| Answer» B. Dot-Matrix | |
| 192. |
Which is a non-standard version of a computing language? |
| A. | PROLOG |
| B. | APL |
| C. | Army |
| D. | PL/1 |
| Answer» D. PL/1 | |
| 193. |
Which of the following can store information in the form of microscopic pits on metal disks. |
| A. | Laser disks |
| B. | Tape cassettes |
| C. | RAM cartridge |
| D. | Punched cards |
| Answer» B. Tape cassettes | |
| 194. |
The first microprocessors produced by Intel Corpn. and Texas Instruments were used primarily to control small |
| A. | microwave ovens |
| B. | washing machines |
| C. | calculators |
| D. | personal computers |
| Answer» D. personal computers | |
| 195. |
Which of the following is the coding of data so that is can't be easily understood if intercepted. |
| A. | Barcode |
| B. | Decoder |
| C. | Encryption |
| D. | Mnemonics |
| Answer» D. Mnemonics | |
| 196. |
Binary numbers need more places for counting because |
| A. | They are always big numbers |
| B. | Any no. of 0's can be added in front of them |
| C. | Binary base is small |
| D. | 0's and l's have to be properly spaced apart |
| Answer» D. 0's and l's have to be properly spaced apart | |
| 197. |
Where does a computer add and compare data? |
| A. | Hard disk |
| B. | Floppy disk |
| C. | CPU chip |
| D. | Memory chip |
| Answer» D. Memory chip | |
| 198. |
Which of the following high speed non¬impact printers are fast enough to print the entire book in about 1 minute. |
| A. | Laser |
| B. | Dot-matrix |
| C. | Page |
| D. | Line |
| Answer» D. Line | |
| 199. |
A general purpose single-user microcomputer designed to be operated by one person at a time is |
| A. | Special-purpose computer |
| B. | KIPS |
| C. | M |
| D. | PC |
| Answer» E. | |
| 200. |
The computer program language which is widely used in computer science and engineering and also in business is |
| A. | COBOL |
| B. | FORTRAN |
| C. | PASCAL |
| D. | LISP |
| Answer» D. LISP | |