Computer Science - Computer Fundamentals Part 13

1. A type of simulation method using random numbers to determine the evolution of a system is

A.
Model dispersion

B.
Monte carlo

C.
Monadic

D.
Padding

E.
None of the above

 Answer Option B

2. A database management system based on the concept of ownership is

A.
Network topology

B.
Network layer

C.
Network database system

D.
Network license system

E.
None of the above

 Answer Option C

3. Which of the following printers, are you sure will not to use if your objective is to print on multicarbon forms?

A.
daisy wheel

B.
dot-matrix

C.
laser

D.
thimble

E.
All of the above

 Answer Option C

4. The term MIPS refers to _____

A.
millions of instructions per second

B.
multiple instructions per second

C.
megabytes of instructions per seconds

D.
millions input processor set

E.
multi-inductance processing system

 Answer Option A

5. The primary memory of a personal computer consists of:

A.
ROM only

B.
RAM only

C.
Both ROM and RAM

D.
Memory module

E.
None of the above

 Answer Option C

6. A software package to implement a data base is

A. System analysis

B. DBMS

C. Database

D. DASD

E. None of the above

 Answer Option B

7. Methods used to organise and physically store disk data are cylinder and

A. Sector

B. Surface

C. Track

D. Hib

E. None of the above

 Answer Option A

8. A dot-matrix printer

A. is an input device

B. is an output device

C. cannot print alphabet

D. has a speed of 1000 cps

E. None of the above

 Answer Option B

9. What was the name of the first commercially available micro¬processor chip?

A. Intel 8008

B. Intel 8080

C. Intel 4004

D. Motorola 6809

E. None of the above

 Answer Option C

10. The term "memory" applies to which one of the following

A. Logic

B. Storage

C. Control

D. Input device

E. None of the above

 Answer Option B

11. The working principles of today's computers were provided by an English mathematician

A. Charles Babbage

B. Dr. Hollerith

C. Donald Reach

D. Ken Reider

E. None of the above

 Answer Option A

12. A new technology which provides the ability to create an artificial world and have people interact with it is called

A. televirtuality

B. virtual reality

C. alternative reality

D. 3-D reality

E. None of the above

 Answer Option B

13. The proper definition of a modern digital computer is

A. an electronic automated machine that can solve problems involving words and numbers

B. a more sophisticated and modified electronic pocket calculator

C. any machine that can perform mathematical operations '

D. a machine that works on binary code

E. None of the above

 Answer Option A

14. Data systems for planning are often called

A. decision analysis systems

B. planning analysis systems

C. decision support systems

D. All of the above

E. None of the above

 Answer Option C

15. Which of the following is not used as secondary storage

A. Semiconductor memory

B. Magnetic disks

C. Magnetic drums

D. Magnetic tapes

E. None of the above

 Answer Option A

16. A device that can accept data, hold them&deliver them on demand at a later time is known as

A. Buffer

B. Memory

C. CPU

D. Register

E. None of the above

 Answer Option B

17. A magnetic tape volume that is used on a data processing operation without any change to its contents is

A. Magnetic disk

B. Punched paper tape

C. Master tape

D. Card reader

E. None of the above

 Answer Option C

18. An output device that converts data from a binary format in main storage to coded hole patterns punched into a paper tape is

A. Paper tape punch

B. Punched paper tape

C. Magnetic disk

D. Magnetic tape.

E. None of the above

 Answer Option A

19. A computer performs operations by comparing data items and then, depending on the results, follows predetermined course of action. What are such operations called?

A. Sequential

B. Logical

C. Digital

D. Physical

E. None of the above

 Answer Option B

20. A file that includes an index directory to facilitate random access is

A. Sequential file

B. Indexed file

C. Random file

D. Serial file

E. None of the above

 Answer Option B

21. The data bus in 8080A/8085 microprocessor is a group of

A. eight bidirectional lines that are used to transfer 8 bits between the microprocessor and its I/O and memory

B. sixteen bidirectional lines that are used for data transfer between the microprocessor and memory

C. eight unidirectional lines that are used for I/O devices

D. eight lines used to transfer data among the registers

E. None of the above

 Answer Option A

22. Control of computer system or subsystem operation by an operator who may intervene at arbitrary times is

A. Manual control

B. Mapping

C. Shift register

D. ALU

E. None of the above

 Answer Option A

23. In which of the following terminals the screen is regarded as an array of pixels, where each pixel is either on or off?

A. Character map terminal

B. Bit map terminal

C. RS-232 C terminal

D. All of the above

E. None of the above

 Answer Option B

24. Which language has been selected as the basis for the Japanese "fifth generation" computers.

A. ALGOL

B. COBOL

C. PROLOG

D. C

E. None of the above

 Answer Option C

25. A notation for defining the form and structure of data is known as

A. Data description language

B. Binary language

C. Data channel

D. Data definition language

E. None of the above

 Answer Option D

26. The CPU is made up of control unit ALU and

A. Memory

B. Input-Output

C. Register unit

D. All of the above

E. None of the above

 Answer Option A

27. In digital computer, all the expressions are coded into

A. Octal digits

B. Binary digits

C. Hexadecimal digits

D. Decimal cligits

E. None of the above

 Answer Option B

28. In computer terminology a compiler means

A. a person who computes source programs

B. the same thing as a programmer

C. key punch operator

D. a program which translates source program into object program

 Answer Option D

29. Which part of computer performs functions similar to the cerebrums of the above cardiac and nervous system of a human body.

A. ALU

B. Input device

C. CPU

D. Control unit

E. None of the above

 Answer Option C

30. A storage area used to store data to compensate for the difference in speed at which the different units can handle data is

A. Memory

B. Buffer

C. Accumulator

D. Address

E. None of the above

 Answer Option B

31. A memory that contains a fine pattern of data permanently defined is

A. RAM

B. EPROM

C. ROM

D. PROM

E. None of the above

 Answer Option C

32. What is the number of bits needed for an address in a 4 K memory?

A. 16

B. 8

C. 12

D. 4

E. None of the above

 Answer Option C

33. Conversion of an octal number 1068 to binary number is

A. 11100102

B. 10001102

C. 11001102

D. 100001102

E. None of the above

 Answer Option B

34. The physical equipment made oi various metals, silicon and plastic components that make up the parts of a computer is called

A. micro

B. peripheral

C. hardware

D. disk drive

E. None of the above

 Answer Option C

35. Who launched IBM's First PC in 1981?

A. Dean Cline

B. C.B. Rogers Jr.

C. John F. Akers

D. David Svenson

E. None of the above

 Answer Option B

36. Memories in which any location can be reached in a fixed (and short) amount of time after specifying its address is called

A. sequential-access memory

B. random-access memory

C. secondary memory

D. mass storage

E. None of the above

 Answer Option B

37. How many operations per second can perform by a modern fast mainframe digital computer.

A. 1000

B. 100,000

C. 10,00,000

D. 1,00,00,00,000

E. None of the above

 Answer Option D

38. A connection between two end points, either physical or logical, over which data may travel in both directions simultaneously is called _____

A. Dump point

B. Datalink

C. Duplex

D. Networks

E. None of the above

 Answer Option C

39. Which is part of a computer system, enables human operators to communicate with the computer.

A. Console

B. Keyboard

C. Printer

D. CPU

E. None of the above

 Answer Option A

40. Who invented the microprocessor?

A. Marcian E Hoff

B. Herman H Goldstein

C. Joseph Jacquard

D. All of the above

E. None of the above

 Answer Option A

41. Sending data from one place to another, by physical or electronic means is

A. E-mail

B. Internet

C. Data transmission

D. Distributed processing.

E. None of the above

 Answer Option C

42. A method for representing digital data analog signals by changing the phase of the analog carrier to represent the digital information is known as

A. PIA

B. PSK

C. PM

D. PM

E. None of the above

 Answer Option B

43. A device that stores one item of information is

A. Memory element

B. Block Compaction

C. MDR

D. Memory guard

E. None of the above

 Answer Option A

44. MODULA is a

A. Programming language

B. Low-level language

C. Assembly language

D. Machine language

E. None of the above

 Answer Option A

45. A register in which of the following that holds the current instruction while it is being executed is called instruction register.

A. ALU

B. CPU

C. Memory

D. Address

E. None of the above

 Answer Option B

46. The OCR stand for?

A. Outsized character reader

B. Optical character recognition

C. Operational character reader

D. Only character reader

E. None of the above

 Answer Option B

47. Which of the following is a data communication link that connects more than two stations, nodes etc

A. Multipoint connection

B. Multipoint line

C. Multiple chain

D. Multilinked

E. None of the above

 Answer Option B

48. The two basic types of record-access methods are:

A. sequential and random

B. sequential and indexed

C. direct and immediate

D. on-line and realtime

E. None of the above

 Answer Option A

49. Which functional component of a computer is responsible for the computing?

A. Input

B. Output

C. CPU

D. Memory

E. Storage

 Answer Option C

50. Punched cards are associated with the name

A. Leibniz

B. Jacquard

C. Hollerith

D. Pascal

E. None of the above

 Answer Option C