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This section includes 224 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
1. |
ASCII File is |
A. | document file in the universally recognized text format |
B. | Word processor |
C. | System file |
D. | None of these |
Answer» B. Word processor | |
2. |
The following are basic types of record- access methods |
A. | sequential and random |
B. | direct and immediate |
C. | sequential and indexed |
D. | on-line and real-time |
Answer» B. direct and immediate | |
3. |
For checking spelling one uses |
A. | Dictionary Disk |
B. | Index disk |
C. | Directory |
D. | None of these |
Answer» B. Index disk | |
4. |
Communications device, combines transmissions from several devices into on line is |
A. | concentrator |
B. | modifier |
C. | multiplexer |
D. | full-duplex line |
Answer» D. full-duplex line | |
5. |
A technique used to reduce the speed mismatch between slow speed I/O devices and fast CPU is called |
A. | Spooling |
B. | Paging |
C. | Segmentation |
D. | None of these |
Answer» B. Paging | |
6. |
Extended ASCII uses |
A. | 8 bits for coding |
B. | 9 bits for coding |
C. | 10 bits for coding |
D. | 11 bits for coding |
Answer» B. 9 bits for coding | |
7. |
Elementary data item are |
A. | data item which is not broken down into smaller units |
B. | data item that can be broken down into smaller units |
C. | data item which is not decomposed into smaller units |
D. | none of these |
Answer» B. data item that can be broken down into smaller units | |
8. |
A group of related items / section of program coding treated as a unit is referred as |
A. | Block |
B. | Duplex |
C. | Street |
D. | None of these |
Answer» B. Duplex | |
9. |
A binary numbers are represented by |
A. | Digits 0 and 1 |
B. | Digits 0,1,….,8 |
C. | Digits A,B, C,… |
D. | None of these |
Answer» B. Digits 0,1,….,8 | |
10. |
Following is true for Bandwidth |
A. | The wider the bandwidth of a communications system the more data it can transmit in a given period of time. |
B. | The narrow the bandwidth of a communications system the more data it can transmit in a given period of time. |
C. | The wider the bandwidth of a communications system the less data it can transmit in a given period of time. |
D. | None is true |
Answer» B. The narrow the bandwidth of a communications system the more data it can transmit in a given period of time. | |
11. |
While buying a PC system, one should first |
A. | identify hardware components |
B. | define computing needs |
C. | both A and B |
D. | None of these |
Answer» D. None of these | |
12. |
A removable direct-access storage medium containing multiple magnetic disks mounted vertically on a single-shaft is referred as |
A. | Tape pack |
B. | Disk pack |
C. | Cylinder |
D. | None of these |
Answer» C. Cylinder | |
13. |
Bubble Memory is |
A. | nonvolatile |
B. | volatile |
C. | permanent |
D. | None of these |
Answer» B. volatile | |
14. |
A data communication facility on which data can be transmitted in two directions is referred as |
A. | Duplex |
B. | Simplex |
C. | Triplex |
D. | None of these |
Answer» B. Simplex | |
15. |
Broadband channel is the |
A. | The fastest carriers where data transfer rates is of 1 million baud (bits/secon(D) or more. |
B. | The slower carriers where data transfer rates is of 56k baud |
C. | Musical channel |
D. | None of these |
Answer» B. The slower carriers where data transfer rates is of 56k baud | |
16. |
Speech synthesis is |
A. | The ability to input data directly into a computer system by speaking to it |
B. | The ability to output data directly from a computer system in spoken words |
C. | Processing of voice in computer systems |
D. | None of these. |
Answer» C. Processing of voice in computer systems | |
17. |
A collection of complete programs, subroutines, and program modules that have already been developed, tested and documented to be used by programming projects. |
A. | Program counter |
B. | Program library |
C. | Programmer |
D. | None of these |
Answer» C. Programmer | |
18. |
A memory in CPU that holds program instructions, input data, intermediate results and the output information produced during processing is |
A. | Secondary memory |
B. | Primary memory |
C. | Auxiliary memory |
D. | None of these |
Answer» C. Auxiliary memory | |
19. |
A method of providing virtual memory |
A. | Segmentation |
B. | De-fragmentation |
C. | Paging |
D. | None of these |
Answer» B. De-fragmentation | |
20. |
The following is an nonvolatile memory |
A. | ROM |
B. | RAM |
C. | LSI |
D. | VLSI |
Answer» B. RAM | |
21. |
EBCDIC is |
A. | 6-bit coding system |
B. | 7-bit coding system |
C. | 8-bit coding system |
D. | 9-bit coding system |
Answer» D. 9-bit coding system | |
22. |
Instead of buying new computer, productivity of old one can be economically enhanced with the help of? |
A. | Motherboard |
B. | Breadboard |
C. | Daughter board |
D. | Grandmother board. |
Answer» D. Grandmother board. | |
23. |
A fixed number of adjacent bits that represent a particular character or symbol are referred as |
A. | Byte |
B. | Octal |
C. | Bubble |
D. | None of these |
Answer» B. Octal | |
24. |
The hexadecimal number system has a base of |
A. | 2 |
B. | 4 |
C. | 8 |
D. | 16 |
Answer» E. | |
25. |
Microsoft Excel is |
A. | financial planning package |
B. | electronic spreadsheet |
C. | graphics package |
D. | data-base management package |
Answer» C. graphics package | |
26. |
Which of the following is not true of amagnetic disk? |
A. | Users can update records by writing over the old data |
B. | It provides sequential access to stored data |
C. | It is slow relative to magnetic tape |
D. | All of the above are true |
Answer» C. It is slow relative to magnetic tape | |
27. |
The following piece of hardware is used asinput phase of a computer-based information system |
A. | Printer |
B. | Diskette |
C. | Monitor |
D. | Keyboard |
Answer» E. | |
28. |
Following is false for BASIC |
A. | Beginners All-Purpose Symbolic Instruction Code |
B. | High-level interactive programming language |
C. | Works in timesharing environment |
D. | Low level object oriented language |
Answer» E. | |
29. |
ANSI is |
A. | American National Standards Institute |
B. | A USA based national organization that establishes uniform standards in several fields of computers. |
C. | Both A & B are true |
D. | None is true |
Answer» D. None is true | |
30. |
A flat, circular plate coated with a magneticmaterial on which data can be stored by magnetization of portions of the flat surface is |
A. | Disk |
B. | Tape |
C. | Pen drive |
D. | None of these |
Answer» B. Tape | |
31. |
Following is not the from of secondary storage |
A. | Magnetic tape |
B. | CD’s |
C. | Disk |
D. | Hard disk |
Answer» E. | |
32. |
In Batch processing |
A. | Several computer programs runs one after another without human interaction to run each program individually. |
B. | Several computer programs runs one after another with human interaction to run each program individually |
C. | Selected computer programs runs one after another with human interaction to run each program individually |
D. | None is true |
Answer» B. Several computer programs runs one after another with human interaction to run each program individually | |
33. |
The total number of digits (symbols) available to represent numbers in a positional number system is referred as |
A. | Number system |
B. | Base |
C. | Power |
D. | None of these |
Answer» C. Power | |
34. |
Automated Office refers to the merger of in an office environment. |
A. | Computers |
B. | office |
C. | telecommunications |
D. | All the above |
Answer» E. | |
35. |
An adder which adds three binary digits andoutputs a result bit and a carry bit is referred as |
A. | Half adder |
B. | Quarter adder |
C. | Full adder |
D. | None of these |
Answer» D. None of these | |
36. |
In a disk system time required for a read/ write head to move to the track where the record to be read or written is stored is |
A. | Access time |
B. | Random time |
C. | Response time |
D. | Seek time |
Answer» E. | |
37. |
Electronic Mail /Message System (EMMS) best suits to |
A. | Postal service |
B. | Telephone service |
C. | Telegraph service |
D. | None of these |
Answer» B. Telephone service | |
38. |
A remote batch-processing operation where data is solely input to a central computer would require |
A. | telegraph line |
B. | simplex lines |
C. | mixed-band channel |
D. | none of these |
Answer» C. mixed-band channel | |
39. |
The microcomputers which have the same operating characteristics as the IBM microcomputers are called |
A. | IBM desk top |
B. | IBM PC |
C. | IBM advanced computers |
D. | None of theses |
Answer» C. IBM advanced computers | |
40. |
A process of trying out a new product by independent users before it is finally manufactured/ developed |
A. | Alpha test |
B. | Beta Test |
C. | Gamma test |
D. | None of these |
Answer» C. Gamma test | |
41. |
In Broadband system a network system |
A. | Several analog signals share the same physical network channel. |
B. | Only digital signals share the same physical network channel. |
C. | Single analog signals share the same physical network channel. |
D. | None of these. |
Answer» B. Only digital signals share the same physical network channel. | |
42. |
Primary advantage of key-to-tape data-entry systems |
A. | A large percentage of editing can be performed at the time of data entry |
B. | Key verification is easily performed |
C. | The tape is reusable |
D. | Keying errors can be detected as they occur |
Answer» D. Keying errors can be detected as they occur | |
43. |
The time period during which a computer is malfunctioning or not operating correctly due to machine failures is referred as |
A. | Downtime |
B. | Uptime |
C. | Runtime |
D. | None of these |
Answer» B. Uptime | |
44. |
Audio response is |
A. | output medium |
B. | produces verbal responses from the computer system |
C. | Both A & B true |
D. | None is true |
Answer» D. None is true | |
45. |
In the IBM PC’s, the CPU, the device drives, memory, expansion slots and active components are mounted on a single board referred as |
A. | Motherboard |
B. | Breadboard |
C. | Daughter board |
D. | Father board. |
Answer» B. Breadboard | |
46. |
The set of computer programs, procedures, and associated documentation related to the effective operation of a computer system is referred as |
A. | Software |
B. | Hardware |
C. | Hardcopy |
D. | Softcopy |
Answer» B. Hardware | |
47. |
An optical input device that is used to readdocuments printed in a special type font is known as |
A. | Document reader |
B. | Documentation |
C. | Printer |
D. | None of these |
Answer» B. Documentation | |
48. |
The following is responsible for number of logical records in a physical record |
A. | Blocking factor |
B. | Block |
C. | Boolean algebra |
D. | None of these |
Answer» B. Block | |
49. |
Maximum character EBCDIC can code |
A. | 8 |
B. | 16 |
C. | 64 |
D. | 256 |
Answer» E. | |
50. |
A register in CPU used to store the address of the next instruction to be executed is known as |
A. | Program counter |
B. | Program library |
C. | Programmer |
D. | None of these |
Answer» B. Program library | |