Computer

Computer Knowledge Questions

1. RAM stands for : (A) Read Access Memory (B) Random Access Memory (C) Random Assigned Memory (D) All of these (E) None of these 2. Data in RAM are : (A) Volatile in nature (B) Non-volatile in nature (C) Both (A) & (B) (D) All of these (E) None of these 3. BIOS stands for : (A) Basic Input Output System (B) Basic Instruction Output System (C) Basic Interface Output System (D) All of these (E) None of these 4. RAM in its commercial forms are available as : (A) SIMM (B) DIMM (C) Both (A) & (B) (D) CPSB (E) None of these 5. Which of the following requires refreshing during retaining the data? (A) DRAM (B) SRAM (C) Virtual Memory (D) FDD (E) None of these 6. Refresh Rate of monitor is measured in : (A) Hz (B) Meter

(C) Volts (D) Amp. (E) None of these 7. Which of the following meaning is used between CPU & RAM to speed up the processing power of a CPU? (A) Virtual Memory (B) DRAM (C) Flash Memory (D) Cache Memory (E) None of these 8. Which of the following is lowest in memory hierarchy? (A) Cache memory (B) Secondary memory (C) Registers (D) RAM (E) None of these 9. Which of the following is an input device? (A) Keyboard (B) VDU (C) Both (A) & (B) (D) Dvu (E) None of these 10. CRT stands for : (A) Character Ray Tube (B) Cathode Ray Tube (C) Colour Ray Tube (D) All of the above (E) None of these 11. Which of the following is a GUI device : (A) Keyboard (B) Mouse (C) OMR (D) All of these (E) None of these

12. LCD stands for : (A) Liquid Crystal Display (B) Laser Crystal Display (C) Light Crystal Display (D) All of these (E) None of these 13. Such types of printers, in which the printing head contacts with the paper in printing process, are called as : (A) Impact Printer (B) Non-Impact Printer (C) Laser Printer (D) All of these (E) None of these 14. Which of the following is a type of optical media? (A) FDD (B) HDD (C) CD (D) Magnetic Tape (E) None of these 15. DVD stands for : (A) Digital Video Disk (B) Digital Versatile Disk (C) Both (A) & (B) (D) All of these (E) None of these 16. Which of the following is an input device? (A) VDU (B) Printer (C) Plotter (D) MICR (E) None of these 17. Identify the odd one : (A) Storage tape memory (B) Magnetic disc memory (C) Optical disc memory

(D) Read only memory (E) None of these 18. Nibble describes a bits combination of : (A) 5 bits (B) 6 bits (C) 7 bits (D) 4 bits (E) None of these 19. A Byte constitutes of : (A) 9 bits (B) 8 bits (C) 7 bits (D) 4 bits (E) None of these 20. Memory in a PC is addressable through : (A) Bits (B) Byte (C) Nibble (D) All of these (E) None of these 21. One Kilo Byte represents : (A) 1024 bytes (B) 1000 bytes (C) 100 bytes (D) 1064 bytes (E) None of these 22. Basic building block for a digital circuit is : (A) Word (B) Logic Gate (C) Processor (D) BUS (E) None of these 23. Which of the following is a logic gate? (A) AND

(B) OR (C) CPU (D) Both (A) & (B) (E) None of these 24. The base of binary number is : (A) 2 (B) 16 (C) 8 (D) 10 (E) None of these 25. ASCII stands for : (A) American Standard Code for Institute Interchange (B) American Standard Code for Information Interchange (C) American Standard Code for Information Institute (D) All of these (E) None of these Answers : 1. (B) 2. (A) 3. (A) 4. (C) 5. (A) 6. (A) 7. (D) 8. (B) 9. (A) 10. (B) 11. (B) 12. (A) 13. (A) 14. (C) 15. (B) 16. (D) 17. (D) 18. (D) 19. (B) 20. (B) 21. (A) 22. (B) 23. (D) 24. (A) 25. (B)

1. You can keep your personal files/folders in— (A) My folder (B) My Documents (C) My Files (D) My Text (E) None of these Answer: My Documents 2. The primary purpose of software is to turn data into— (A) Web sites (B) Information (C) Programs (D) Objects (E) None of these Answer: Information 3. A directory within a directory is called— (A) Mini Directory (B) Junior Directory (C) Part Directory (D) Sub Directory

(E) None of these Answer: Sub Directory 4. A compiler translates a program written in a high-level language into— (A) Machine language (B) An algorithm (C) A debugged program (D) Java (E) None of these Answer: Machine language 5. When you turn on the computer, the boot routine will perform this test— (A) RAM test (B) Disk drive test (C) Memory test (D) Power-on self-test (E) None of these Answer: Disk drive test

6. A ……is a unique name that you give to a file of information. (A) device letter (B) folder (C) filename (D) filename extension (E) None of these Answer: filename extension 7. Hardware includes— (A) all devices used to input data into a computer (B) sets of instructions that a computer runs or executes (C) the computer and all the devices connected to it that are used to input and output data (D) all devices involved in processing information including the central processing unit, memory and storage (E) None of these Answer: (D) 8. A ……… contains specific rules and words that express the logical steps of an algorithm. (A) programming language (B) syntax (C) programming structure (D) logic chart (E) None of these Answer: programming language 9. All the deleted files go to— (A) Recycle Bin (B) Task Bar (C) Tool Bar (D) My Computer (E) None of these Answer: Recycle Bin 10. The simultaneous processing of two or more programs by multiple processors is — (A) Multiprogramming (B) Multitasking (C) Time-sharing (D) Multiprocessing (E) None of these Answer: Multiprocessing 11. The secret code that restricts entry to some programs— (A) Password (B) Passport (C) Entry-code (D) Access-code (E) None of these

Answer: Password 12. Computers use the ……… number system to store data and perform calculations. (A) binary (B) octal (C) decimal (D) hexadecimal (E) None of these Answer: binary 13. The main function of the ALU is to— (A) Perform arithmetic and logical operations (B) Store data and information for future use (C) Control computer output, such as printing (D) Monitor all computer activities (E) None of these Answer: Perform arithmetic and logical operations 14. ……is the process of carrying out commands. (A) Fetching (B) Storing (C) Executing (D) Decoding (E) None of these Answer: Executing 15. Softcopy is the intangible output, so then what is hardcopy ? (A) The physical parts of the computer (B) The printed parts of the computer (C) The printed output (D) The physical output devices (E) None of these Answer: The printed output 16. A(n) ……… is a program that makes the computer easier to use. (A) utility (B) application (C) operating system (D) network (E) None of these Answer: utility 17. A complete electronic circuit with transistors and other electronic components on a small silicon chip is called a(n)— (A) Workstation (B) CPU (C) Magnetic disk (D) Integrated circuit (E) None of these Answer: Integrated circuit 18. Computer systems are comprised of— (A) Hardware, programs, processors, procedures and people (B) Hardware, programs, information, people and procedures (C) Hardware, programs, information, people and networks (D) Hardware, software, procedures, networks and people (E) None of these Answer: Hardware, software, procedures, networks and people 19. An error in a computer program— (A) Crash (B) Power Failure (C) Bug (D) Virus (E) None of these Answer: Bug

20. What is output ? (A) What the processor takes from the user (B) What the user gives to the processor (C) What the processor gets from the user (D) What the processor gives to the user (E) None of these Answer: What the processor gives to the user

1. Which of the following's absence the computer system can still be functional A. Operating system

B. Hard Drive C. RAM D. Sound Card

2.The name for the way that computers manipulate data into information is called: A. programming

B. processing C. storing D. organizing

3.When you are working on a document on a PC where is the document temporarily stored ?

A. Hard Disk

B. ROM

C. RAM D. CD-ROM

4. A set of instructions telling the computer what to do is called: A. Program

B. Compiler

C. Debugger D. Mentor

5. The term "hypertext" means: A. Text with heavy formatting

B. Blinking text

C. Hyper media D. None of the above

6. What is the extension of executable program under windows ?

A. .doc

B. .txt C. .bin

D. .exe

7. Which of the following is optical storage media ?

A. CD-ROM B. EEPROM

C. Optical ROM

D. None of the above

8. What is the other name for a LAN Card?

A. NIC

B. Network Connector C. MODEM D. Internet Card

9. Computer security can be enforced by using which of the following ?

A. Firewall B. Password C. Encryption

D. All of the above

10. Which of the following is a database management tool developed by Microsoft?

A. dBase

B. Access C. Personal Oracle D. Sybase

11. URL stands for: A. Uniform Research List

B. Uniform Research Locator

C. Uniform Resource Locator D. Universal Resource List

12. Speed of computer is calculated in the units of : A. RPM

B. Hertz

C. kmh D. mth

13. Primary memory stores : A. Data alone

B. Programs alone

C. Results alone

D. All of these

14. Junk e-mail is also called

A. Spoof B. Spam

C. Spill D. Sniffer script

15. DPI stands for : A. Due Protocol Inspection

B. Do Per Instruction

C. Dots Per Inch

D. None of the above

DBMS ---

Questions 1:

Which of the following is not true of the traditional approach to information processing

a. there is common sharing of data among the various applications

b. it is file oriented

c. programs are dependent on the file

d. it is inflexible

e. all of the above are true

Question 2:

Which of the following hardware component is the most important to the operation of database management system?

a. high resolution video display

b. printer

c. high speed, large capacity disk

d. plotter

e. mouse

Question 3:

Generalized database management system do not retrieve data to meet routine request

a. true

b. false

Question 4:

Batch processing is appropriate if

a. large computer system is available

b. only a small computer system is avilbale

c. only a few transactions are involved

d. all of the above

e. none of the above

Question 5:

Large collection of files are called

a. fields

b. records

c. database

d. sectors

Question 6:

Which of the following is not a relational database?

a. dBase IV

b. 4th Dimension

c. FoxPro

d. Reflex

Question 7:

In order to use a record management system a. you need to understand the low level details of how information is stored

b. you need to understand the model the record management system uses

c. bother a and b

d. none of the above

Question 8:

Sort/Report generators

a. are faster than index/report generators

b. require more disk space than indexed/report generators

c. do not need to sort before generating report

d. both a and b

Question 9:

If a piece of data is stored in two places in the database, then

a. storage space is wasted

b. changing the data in one spot will cause data inconsistency

c. in can be more easily accessed

d. both and b

Question 10:

An audit trail

a. is used to make backup copies

b. is the recorded history of operations performed on a file

c. can be used to restore lost information

d. none of the above

Answers:

1.a 2.c 3. b 4.e 5.c 6.d 7.b 8.b 9.d 10.b

Questions 1:

The relational database environment has all of the following components except

a. users

b. separate files

c. database

d. query languages

e. database

Question 2:

Database management systems are intended to

a. eliminate data redundancy

b. establish relationship among records in different files

c. manage file access

d. maintain data integrity

e. all of the above

Question 3:

One approach to standardization storing of data?

a. MIS

b. structured programming

c. CODASYL specification

d. none of the above

Question 4:

The language used application programs to request data from the DBMS is referred to as the

a. DML

b. DDL

c. query language

d. any of the above

e. none of the above

Question 5:

The highest level in the hierarchy of data organization is called

a. data bank

b. data base

c. data file

d. data record

Question 6:

Choose the RDBMS which supports full fledged client server application development

a. dBase V

b. Oracle 7.1

c. FoxPro 2.1

d. Ingress

Question 7:

Report generators are used to

a. store data input by a user

b. retrieve information from files

c. answer queries

d. both b and c

Question 8:

A form defined

a. where data is placed on the screen

b. the width of each field

c. both a and b

d. none of the above

Question 9:

A top-to-bottom relationship among the items in a database is established by a

a. hierarchical schema

b. network schema

c. relational schema

d. all of the above

Question 10:

The management information system (MIS) structure with one main computer system is called a

a. hierarchical MIS structure

b. distributed MIS structure

c. centralized MIS structure

d. decentralized MIS structure

Answers:

1.b 2.e 3.c 4.a 5.b 6. b 7.d 8.a 9.a 10.c

Questions 1:

The ascending order of a data hirerchy is:

a. bit-byte-record-field-file-database

b. byte-bit-field-record-file-database

c. bit-byte-field-record-file-database

d. bit-byte-file-record-field-database

Question 2:

Which of the following is true of a network structure?

a. t is a physical representation of the data

b. It allows a many-to-many relationship

c. It is conceptually simple

d. It will be dominant data base of the future

Question 3:

Which of the following is a problem of file management system?

a. difficult to update

b. lack of data independence

c. data redundancy

d. program dependence

e. all of above

Question 4:

One data dictionery software package is called

a. DB/DC dictionary

b. TOTAL

c. ACCESS

d. Datapac

e. Data Manager

Question 5:

The function of a database is ...

a. to check all input data

b. to check all spelling

c. to collect and organize input data

d. to output data

Question 6:

What is the language used by most of the DBMSs for helping their users to access data?

a. High level language

b. SQL

c. Query Language

d. 4GL

Question 7:

The model for a record management system might be

a. handwritten list

b. a Rolodex card file

c. a business form

d. all of above

Question 8:

Primitive operations common to all record management system include

a. print

b. sort

c. look-up

d. all of above

Question 9:

In a large DBMS

a. each user can "see" only a small part of the entire database

b. each subschema contains every field in the logical schema

c. each user can access every subschema

Question 10:

Information can be transferred between the DBMS and a

a. spreadsheet program

b. word processor program

c. graphics program

d. all of the above

Answers:

1. c 2. b 3. e 4. a 5. c 6. c 7. d 8. c 9. a 10.

1. These systems typically contain the system's electronic components and selected secondary storage devices, but no input devices.

A. Desktop systems

B. Personal digital assistants

C. Palm computers

D. Laptop computers

2. A byte is formed by a group of

A. four bits.

B. eight bits.

C. 12 bits.

D. 16 bits.

3. Which of the following is not a binary code?

A. EBCDIC

B. ASCII

C. CISC

D. Unicode

4. This coding system is designed to support international languages like Chinese and Japanese.

A. ASCII

B. Unicode

C. EBCDIC

D. ANSIC

5. On the motherboard, the connection points for chips are referred to as

A. slots.

B. sockets.

C. ports.

D. lines.

6. Tiny circuit-boards etched onto squares of sand-like material called silicon are called

A. buses.

B. slots.

C. sockets.

D. chips.

7. Integrated circuits must be mounted on _____ which are then plugged into the motherboard.

A. slots

B. pins

C. ports

D. carrier packages

8. Which of the following is a function of the control unit?

A. It provides pathways that support communication among the various electronic components.

B. It directs the control signals between the CPU and input and output devices.

C. It performs fundamental math operations like addition, subtraction, etc.

D. It uses the logic to compare two pieces of data.

9. Pathways that support communication among the various electronic components on the system board are called

A. bus lines.

B. network lines.

C. logic paths.

D. gateways.

10. In a microcomputer system, the CPU is contained on a single chip called the

A. semiconductor.

B. ALU.

C. microprocessor.

D. Control Unit.

11. This term is used to describe the number of bits that a CPU can access at one time.

A. Bitrate

B. Word

C. Pulse width

D. Character

12. A 32-bit word computer can access

A. 2 bytes at a time.

B. 16 bytes at a time.

C. 4 bytes at a time.

D. 8 bytes at a time.

13. Which of the following allow a computer to run two programs simultaneously?

A. Coprocessors

B. Multiplexing

C. Dual core chip

D. Binary system

14. These chips use special software to take a large program, break it down into parts, and assign the parts to separate processors.

A. Arithmetic-logic units

B. Multiplexers

C. Parallel processors

D. Graphics coprocessors

15. Visa, MasterCard, and American Express have all introduced this new type of card, which has an embedded chip.

A. Data card

B. Micro card

C. Smart card

D. Embedded card

16. An automatic identification system used to track objects, people or animals is called a(n)

A. image processor.

B. smart card.

C. RFID tag.

D. NIC.

17. Frequently-accessed information is held in

A. hard drive.

B. cache memory.

C. flash memory.

D. read only memory.

18. With this type of memory, large programs are divided into parts and the parts stored on a secondary device, usually a hard disk.

A. Flash

B. Cache

C. Virtual

D. Extended

19. Which of the following provides flexibility and expandability for a computer system?

A. ROM

B. RAM

C. CMOS

D. Cache

20. All of the following are commonly used units of measurement to describe memory capacity, except:

A. Megabyte (MB).

B. Gigabyte (GB).

C. Terabyte (TB).

D. Nanobyte (NB).

21. When you reboot your system, the computer takes instructions to start from the

A. DRAM.

B. SDRAM.

C. DDR.

D. ROM.

22. Precisely timed electrical beats or impulses that indicate the speed of processing or power of a computer system are called

A. the clock speed.

B. the beat.

C. the pulse.

D. the system speed.

23. Which of the following is helpful in enhancing graphics performance, 3-D animations and transferring video data?

A. AGP

B. ISA

C. Graphic coprocessors

D. FireWire buses

24. These types of ports typically provide connections to specialized devices such as camcorders.

A. FireWire

B. Serial

C. Parallel

D. AGP

25. Which of the following ports is used for connecting musical instruments to a sound card?

A. AGP

B. USB

C. MIDI

D. SCSI

26. "Bit" is short for "binary information technology". True False

27. ASCII is the acronym for Automatic Standard Code for Information Interchange. True False

28. Data created by a computer system using the ASCII coding scheme can be directly accessed by another computer system using different coding schemes. True False

29. The ALU tells the rest of the computer system how to carry out a program's instructions. True False

30. The control unit directs the movement of electronic signals between the memory and the ALU. True False

31. 64-bit processors are commonly being used in powerful microcomputers. True False

32. The more the number of bits, the slower the computer becomes. True False

33. RAM is considered as volatile storage. True False

34. Virtual memory is held in a RAM chip. True False

35. Information stored on CMOS chips cannot be altered by a user. True False

36. The speed of a computer's system clock cannot be varied. True False

37. PC cards were developed in order to meet the size constraints of notebook and handheld computers. True False

38. The number of bits that can travel simultaneously down a bus is known as the word size. True False

39. Accelerated graphics port (AGP) is over twice as fast as the ISA. True False

40. Serial ports send data one bit at a time and are very good for sending information over long distances. True False

41. Parallel ports are mostly used to connect printers to the system unit. True False

42. Serial ports are gradually replacing USB ports. True False

43. The FireWire port used to connect a camcorder to a laptop would be as fast as a USB 2.0 port. True False

44. FireWire is mainly used to connect digital camcorders and video editing software. True False

45. A notebook computer would commonly use an IrDA port to transfer data to a desktop computer.

True False

46. Two of the most popular binary coding schemes are ASCII and _____. ________________________________________

47. IBM developed the _____ binary coding scheme and it is used primarily for large computers. ________________________________________

48. The _____ acts as the communication center for a computer system. ________________________________________

49. _____ are often expressed in word sizes. ________________________________________

50. _____ operations consist of making comparisons. ________________________________________

51. A _____ bit word computer can access eight bytes of information at a time. ________________________________________

52. _____ are special-purpose processing units that assist the CPU in performing certain types of operations. ________________________________________

53. _____ memory is non-volatile RAM and is considered quite expensive.