Monday, February 20, 2012

Fundamental set 4

Set - 4

1. Which statement is valid about magnetic tape?
a. It is a plastic ribbon
b. It is coated on both sides with iron oxide
c. It can be erased and reused
d. All of above
Ans:- a. It is a plastic ribbon
2. The data recording format in most of the modern magnetic tape is
a. 7-bit ASCII
b. 7-bit EBCDIC
c. 8-bit ASCII
d. 8-bit EBCDIC
Ans:- d. 8-bit EBCDIC
3. Which of the following is associated with error detector?
a. Odd parity bit
b. Even parity bit
c. Both of the above
d. None of above
Ans:- c. Both of the above


4. Tape speed is measured in
a. Feet per second
b. Inch per second
c. Meter per second
d. Centimeter per second
Ans:- b. Inch per second
5. Magnetic disks are the most popular medium for
a. Direct access
b. Sequential access
c. Both of above
d. None of above
Ans:- c. Both of above
6. Storage capacity of magnetic disk depends on
a. tracks per inch of surface
b. bits per inch of tracks
c. disk pack in disk surface
d. All of above
Ans:- d. All of above
7. Reading data is performed in magnetic disk by
a. Read/write leads
b. Sectors
c. Track
d. Lower surface
Ans:- a. Read/write leads
8. Access time is
a. seek time + latency time
b. seek time
c. seek time – latency time
d. latency time
Ans:- a. seek time + latency time
9. Seek time is
a. time to position the head over proper track
b. time to position the head over proper sector
c. time to position the head over proper cylinder
d. none of above
Ans:- a. time to position the head over proper track
10. Latency time is
a. Time to spin the needed data under head
b. Time to spin the needed data under track
c. Time to spin data under sector
d. All of above
Ans:- a. Time to spin the needed data under head
11. Floppy disks are available in
a. Single side single density
b. Single side double density
c. Both of above
d. None of above
Ans:- c. Both of above
12. Floppy disks typically in diameter
a. 3”
b. 5.25”
c. 8”
d. All of above
Ans:- d. All of above
13. Hard disk is coated in both side above
a. Magnetic metallic oxide
b. Optical metallic oxide
c. Carbon layer
d. All of the above
Ans:- a. Magnetic metallic oxide
14. Binary circuit elements have
a. One stable state
b. Two stable state
c. Three stable state
d. None of above
Ans:- b. Two stable state
15. Which statement is valid?
a. 1KB = 1024 bytes
b. 1 MB=2048 bytes
c. 1 MB = 1000 kilobytes
d. 1 KB = 1000 bytes
Ans:- a. 1KB = 1024 bytes
16. Which statement is valid about computer program?
a. It is understood by a computer
b. It is understood by programmer
c. It is understood user
d. Both of above
Ans:- d. Both of above
17. Software in computer
a. Enhances the capabilities of the hardware machine
b. Increase the speed of central processing unit
c. Both of above
d. None of above
Ans:- a. Enhances the capabilities of the hardware machine
18. Which of the following is not computer language?
a. High level language
b. Medium level language
c. Low level language
d. All of the above
Ans:-b. Medium level language
19. Which language is directly understood by the computer without translation program?
a. Machine language
b. Assembly language
c. High level language
d. None of above
Ans:- a. Machine language

20. Instruction in computer languages consists of
a. OPCODE
b. OPERAND
c. Both of above
d. None of above
Ans:- c. Both of above
21. Machine language is
a. Machine dependent
b. Difficult to program
c. Error prone
d. All of above
Ans:- d. All of above

Fundamental Set - 5

Set - 5

1. Mnemonic a memory trick is used in which of the following language?
a. Machine language
b. Assembly language
c. High level language
d. None of above
Answer: b
2. The translator program used in assembly language is called
a. Compiler
b. Interpreter
c. Assembler
d. Translator
Answer: c
3. Easily reloctable language is
a. Machine language
b. Assembly language
c. High level language
d. Medium level language
Answer: b
4. Which of the following is called low level languages?
a. Machine language
b. Assembly language
c. Both of the above
d. None of above
Answer: c
5. Which of the following is problem oriented language?
a. High level language
b. Machine language
c. Assembly language
d. Low level language
Answer: a
6. A compiler is a translating program which
a. Translates instruction of a high level language into machine language
b. Translates entire source program into machine language program
c. It is not involved in program’s execution
d. All of above
Answer: d
7. Which of the following is machine independence program?
a. High level language
b. Low level language
c. Assembly language
d. Machine language
Answer: a
8. Which statement is valid about interpreter?
a. It translates one instruction at a time
b. Object code is saved for future use
c. Repeated interpretation is not necessary
d. All of above
Answer: a
9. Which is the limitation of high level language?
a. Lower efficiency
b. Machine dependence
c. machine level coding
d. None of above
Answer: a
10. High level language is also called
a. Problem oriented language
b. Business oriented language
c. Mathematically oriented language
d. All of the above
Answer: d
11. A computer programmer
a. Does all the thinking for a computer
b. Can enter input data quickly
c. Can operate all types of computer equipments
d. Can draw only flowchart
Answer: a
12. CD-ROM is a
a. Semiconductor memory
b. Memory register
c. Magnetic memory
d. None of above
Answer: d
13. Which of the following is not a primary storage device?
a. Magnetic tape
b. Magnetic disk
c. Optical disk
d. None of above
Answer: d
14. A name or number used to identify a storage location devices?
a. A byte
b. A record
c. An address
d. All of above
Answer: c
15. Which of the following is a secondary memory device?
a. Keyboard
b. Disk
c. ALU
d. All of the above
Answer: b
16. The difference between memory and storage is that memory is … and storage is …
a. Temporary, permanent
b. Permanent, temporary
c. Slow, fast
d. All of above
Answer: a
17. A floppy disk contains
a. Circular tracks only
b. Sectors only
c. Both circular tracks and sectors
d. All of the above
Answer: c

18. The octal equivalent of 111010 is
a. 81
b. 72
c. 71
d. None of above
Answer: b
19. The first electronic computer in the world was
a. UNIVAC
b. EDVAC
c. ENIAC
d. All of above
Answer: c
20. The most commonly used standard data code to represent alphabetical, numerical and punctuation characters used in electronic data processing system is called
a. ASCII
b. EBCDIC
c. BCD
d. All of above
Answer: a

Fundamental Set - 6

Set - 6
1. Which was the computer conceived by Babbage?
a. Analytical Engine
b. Arithmetic Machine
c. Donald Kunth
d. All of above
Ans:- a. Analytical Engine
2. Offline device is
a. A device which is not connected to CPU
b. A device which is connected to CPU
c. A direct access storage device
d. An I/O device
Ans:- a. A device which is not connected to CPU
3. Which of the following registers is loaded with the contents of the memory location pointed by the PC?
a. Memory address registers
b. Memory data registers
c. Instruction register
d. Program counter
Ans:- c. Instruction register
4. Which of the following registers is used to keep track of address of the memory location where the next instruction is located?
a. Memory address register
b. Memory data register
c. Instruction register
d. Program counter
Ans:- d. Program counter
5. Microprocessors can be used to make
a. Computers
b. Digital systems
c. Calculators
d. All of above
Ans:- d. All of above
6. How many address lines are needed to address each machine location in a 2048 x 4 memory chip?
a. 10
b. 11
c. 8
d. 12
Ans:- b. 11
7. Which American computer company is called Big Blue?
a. Microsoft
b. Compaq Corp
c. IBM
d. Tandy Svenson
Ans:- c. IBM
8. When did IBM introduce the 20286 based PC/AT?
a. 1982
b. 1984
c. 1985
d. 1989
Ans:- b. 1984

9. When was the X window system born?
a. 1984
b. 1989
c. 1988
d. 1990
Ans:- a. 1984
10. Today’s computer giant IBM was earlier known by different name which was changes in 1924. What was that name?
a. Tabulator Machine Co.
b. Computer Tabulating Recording Co.
c. The Tabulator Ltd.
d. International Computer Ltd.
Ans:- a. Tabulator Machine Co.
11. The first electronic general purpose digital computer built by Mauchly and Eckert called ENIA did not work on the stored program principle. How many numbers could it store in its internal memory?
a. 100
b. 20
c. 40
d. 80
Ans:- b. 20
12. The digital computer was developed primarily in
a. USSR
b. Japan
c. USA
d. UK
Ans:- c. USA
13. The subject of cybernetics deals with the science of
a. Genetics
b. Control and communication
c. Molecular biology
d. Biochemistry
Ans:- b. Control and communication
14. Who is credited with the idea of using punch cards to control patterns in a waving machine?
a. Pascal
b. Hollerith
c. Babbage
d. Jacquard
Ans:- d. Jacquard
15. Most of the inexpensive personal computers do not have any disk or diskette drive. What is the name of such computes?
a. Home computers
b. Diskless computers
c. Dedicated computers
d. General purpose computers
Ans:- a. Home computers
16. Which of the following require large computers memory?

a. Imaging
b. Graphics
c. Voice
d. All of Above
Ans:- d. All of Above
17. A term associated with the comparison of processing speeds of different computer system is:
a. EFTS
b. MPG
c. MIPS
d. CPS
Ans:- c. MIPS
18. The process of starting a or restarting a computer system by loading instructions from a secondary storage device into the computer memory is called
a. Duping
b. Booting
c. Padding
d. CPS
Ans:- b. Booting
19. Who invented the microprocessor?
a. Marcian E Huff
b. Herman H Goldstein
c. Joseph Jacquard
d. All of above
Ans:- a. Marcian E Huff
20. One computer that is not considered a portable is
a. Minicomputer
b. Laptop computer
c. Notebook computer
d. All of above
Answers: a. Minicomputer

Fundamental Set 7

Set - 8

1. IBM 7000 digital computer
a. Belongs to second generation
b. Uses VLSI
c. Employs semiconductor memory
d. Has modular constructions
Ans:-c. Employs semiconductor memory
2. 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 sophistic and modified electronic pocket calculator
c. Any machine that can perform mathematical operations
d. A machine that works on binary code
Ans:- d. A machine that works on binary code
3. A modern electronic computer is a machine that is meant for
a. Doing quick mathematical calculations
b. Input, storage, manipulation and outputting of data
c. Electronic data processing
d. Performing repetitive tasks accurately
Ans:- b. Input, storage, manipulation and outputting of data
4. An integrated circuit is
a. A complicated circuit
b. An integrating device
c. Much costlier than a single transistor
d. Fabricated on a tiny silicon chip
Ans:- d. Fabricated on a tiny silicon chip
5. Most important advantage of an IC is its
a. Easy replacement in case of circuit failure
b. Extremely high reliability
c. Reduced cost
d. Lower power consumption
Ans:- b. Extremely high reliability
6. In a punched card system, data is processed by a
a. Keypunch machine, sorter and posting machine
b. Accounting machine, posting machine, and billing machine
c. Sorter, posting machine, and billing machine
d. Accounting machine, keypunch machine and sorter
Ans:- d. Accounting machine, keypunch machine and sorter
7. The first machine to successfully perform a long series of arithmetic and logical \
operations was;
a. ENIAC
b. Mark I
c. Analytic engine
d. UNIVAC-I
Ans:- b. Mark I
8. In the third generation of computers:
a. Distributed data processing first became popular
b. An operating system was first developed
c. High-level prcedu7ral languages were firs used
d. On-line, real time systems first became popular
Ans:- d. On-line, real time systems first became popular
9. A characteristic of card systems is:
a. Slowness in processing data
b. Using cards as records of transactions
c. Needing a larger DP staff
d. All of the above
Ans:- d. All of the above
10. An IBM system/38 represents the computer class of:
a. Small-scale computer
b. Medium-scale computer
c. Large-scale computer
d. Super computer
Ans:- a. Small-scale computer
11. The first firm to mass- market a microcomputer as a personal computer was
a. IBM
b. Sperry Univac
c. Data General corporation
d. Radio Shack
Ans:- c. Data General corporation
12. A digital computer did not score over an analog computer in terms of
a. Speed
b. Accuracy
c. Cost
d. Memory
Ans:- b. Accuracy
13. In 1830, Charles Babbage designed a machine called the Analytical Engine which he
showed at the Paris Exhibition. In which year was it exhibition?
a. 1820
b. 1860
c. 1855
d. 1870
Ans:- c. 1855
14. Which was the world’s first minicomputer and when was it introduced?
a. PDP-I, 1958
b. IBM System/36, 1960
c. PDP-II, 1961
d. VAX 11/780, 1962
Ans:- a. PDP-I, 1958
15. Where was India’s first computer installed and when?
a. Indian Institute of Technology, Delhi, 1977
b. Indian Institute of Science, Bangalore, 1971
c. Indian Iron & Steel Co. Ltd., 1968
d. Indian Statistical Institute, Calcutta, 1955
Ans:- d. Indian Statistical Institute, Calcutta, 1955
16. Which of the following are the two main components of the CPU?
a. Control unit and registers
b. Registers and main memory
c. Control Unit and ALU
d. ALU and bus
Ans:- c. Control Unit and ALU
17. Which of the following is true?
a. Fields are composed of bytes
b. Records are composed of fields
c. Fields are composed of characters
d. All of above
Ans:- d. All of above
18. Which of the following file organization is most efficient for a file with a high
degree of file activity?
a. Sequential
b. ISAM
c. VSAM
d. B-Tree Index
Ans:- a. Sequential
19. 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 real time
Ans:- a. Sequential and random
20. The advantage of COM are its … and …
a. Compact size; speed readability
b. Compact size, speed
c. Readability; speed
d. Low cost; readability
Ans:- b. Compact size, speed