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Computer Fundamentals
Computer Fundamental Miscellaneous
Quiz 12
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Q.1
What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?
Bus control
Interrupts
Bus arbitration
Status
None of the above
Q.2
The analog computer measures dimensions and its circuits use the differential and integral equations of continuous variables. The digital computer counts units and its circuits use
Logic gates
Discrete switches
Boolean algebra
Bayes' theorem
None of the above
Q.3
Which of the following are used to quickly accept, store, and transfer data and instructions that are being used immediately by the CPU?
microprocessors
registers
ROM chips
data buses
None of the above
Q.4
In synchronous transmission data from various users
Require header
Do not require header
Sometimes require header
All of the above
None of the above
Q.5
Which part of the computer were is used for calculating and comparing?
Disk unit
Control unit
ALU
Modem
None of the above
Q.6
The person contributing the idea of the stored program was
John von Neumann
Charles Babbage
Howard Aiken
Basic Pascal
None of the above
Q.7
What was the total number of UNIVAC-I sold eventually and by which company?
30, British Tabulating Machine Co. (BTM)
40, International Business Machines (IBM)
48, Remington Rand
40, International Computer Ltd. (ICL)
None of the above
Q.8
A file containing relatively permanent data is
Random file
Transaction file
Master file
Sequential file
None of the above
Q.9
Communication that involves computers, establishing a link through the telephone system is called
Teleprocessing
Microprocessing
Telecommunications
All of the above
None of the above
Q.10
A 32 bit microprocessor has the word length equal to
2 bytes
32 bytes
4 bytes
8 bytes
None of the above
Q.11
A memory bus is mainly used for communication between
processor and memory
processor and I/O devices
I/O devices and memory
input device and output device
None of the above
Q.12
To locate a data item for storage is
Field
Feed
Database
Fetch
None of the above
Q.13
Which of the following memory is capable of operating at electronics speed?
Semiconductor memory
Magnetic disks
Magnetic drums
Magnetic tapes
None of the above
Q.14
An AND gate
implements logic addition
is equivalent to a series switching circuit
is an any or all gate
is equivalent to a parallel switching circuit
None of the above
Q.15
The daily processing of corrections to customer accounts best exemplifies the processing mode of:
Batch processing
Real-time processing
Time-sharing
Offline processing
None of the above
Q.16
The main purpose of time sharing techniques used in computers is to make the best use of the
CPU
peripherals
seconday storage
floppy disks
None of the above
Q.17
Which of the following is not true of immediate processing?
It is often used in real-time applications
It can occur with either sequential of direct-access files
It can be used in an airline-reservation system
Transactions are processed shortly after a real-world event occurs
All of the above are true
Q.18
A temporary storage area, attached to the CPU, for I/O operations is a:
chip
buffer
register
core
None of the above
Q.19
Which of the following devices can be used to directly input printed text?
OCR
OMR
MICR
All of the above
None of the above
Q.20
The central processor of a modern digital computer consists of
control unit
primary memory
control unit and primary memory
All of the above
None of the above
Q.21
Fifth generation computers are likely to exhibit
artificial intelligence
heuristic behaviour
advanced parallel processing
All of the above
None of the above
Q.22
A computer system consisting of its processor, memory and I/O devices accepts data, processes it and produces the output results. Can you tell in which component is the raw data fed?
Mass Memory
Main memory
Logic unit
Arithmetic unit
None of the above
Q.23
When did arch rivals IBM and Apple Computers Inc. decide to join hands?
1978
1984
1990
1991
None of the above
Q.24
The transistorized computer circuits were introduced in the
First generation
Second generation
Third generation
Fourth generation
Fifth generation
Q.25
A small film-plate which is used for microfilming the output from a microcomputer screen is called
microfilm
microfiche
film card
COM
None of the above
Q.26
The ALU and control unit of most of the microcomputers are combined and manufactured on a single silicon chip. What is it called?
Monochip
Microprocessor
ALU
Control Unit
None of the above
Q.27
One byte can be used to encode any integer between 'O' and -inclusive
16
256
128
255
None of the above
Q.28
Continuous line drawing are produced using
Chain printers
Daisy wheel printers
Plotters
Thermal devices
None of the above
Q.29
Which of the following registers is loaded with the contents of the memory location pointed by the PC?
Memory Address Register
Memory Data Register
Instruction Register
Program Counter
None of the above
Q.30
Why is the width of the data bus so important to the processing speed of a computer?
The narrower it is, the greater the computer's processing speed
The wider it is, the more data that can fit into main memory
The wider it is, the greater the computer's processing speed
The wider it is, the slower the computer's processing speed
The data bus isn't important to the processing speed of a computer
Q.31
How many types of storage loops exist in magnetic bubble memory?
8
4
16
2
None of the above
Q.32
Which of the following terminals' output most closely resembles the output produced by a plotter?
graphics terminal
POS terminal
hardcopy terminal
all the above
None of the above
Q.33
What is the main advantage of magnetic core memory over semiconductor RAM memory?
more compact and smaller
more economical
a bit does not have to write after reading
non volatile
None of the above
Q.34
Storage on PC allows you to store files until something erases it, but memory loses its contents whenever its _____ is lost
static
disk space
power
both A and B
None of the above
Q.35
In which year was UK's premier computing event called "The Which Computer" started?
1980
1985
1986
1987
None of the above
Q.36
In comparison to the internal (main) memory, tape or disk memory is
slower and more expensive
slower and less expensive
faster and more expensive
faster and less expensive
None of the above
Q.37
The function of CPU is
to provide a hard copy
to read, interpret and process the information and instruction
to communicate with the operator
to provide external storage of text
None of the above
Q.38
The bubbles in a bubble memory pack are created with the help of?
Laser beam
Magnetic field
Electric field
X-ray
None of the above
Q.39
Which of the following is used for serial access storage only?
RAM
Magnetic tape
Magnetic disk
Core memory
None of the above
Q.40
A memory space used for the temporary storage of data is
PROM
SAM
Scratchpad storage
Buffer
None of the above
Q.41
What is the name of the logic circuit which can add two binary digits?
Full adder
Half adder
Buffer
Register
None of the above
Q.42
Which type device is a piece of equipment that receives information from a CPU?
Input
Output
CPU
Memory
Storage
Q.43
Computer Operators
Write computer programs for specific problems
Operate the devices which input and output data from the computer
Normally require a college degree in computer science
All of the above
None of the above
Q.44
When was the IBM XT microcomputer released in the market?
1970
1971
1987
1986
None of the above
Q.45
Which of the following is not used for storage purposes with main frame computers?
removable disks
fixed disks
mass storage systems
diskettes
None of the above
Q.46
Which is true for the digital computer?
It is less accurate than the analog computer
It represents the decimal numbers through a string of binary digits
It is used primarily in scientific applications
Both A and C
None of the above
Q.47
The system unit of a personal computer typically contains all of the following except:
microprocessor
disk controller
serial interface
modem
All of the above are contained
Q.48
Which of the following are the two main components of the CPU?
control unit and registers
registers and main memory
control unit and ALU
ALU and bus
None of the above
Q.49
When was punched-card equipment used for the first time to process the British census?
1910
1907
1911
1914
None of the above
Q.50
A hashing scheme is used with
sequential file organization
direct file organization
indexed sequential file organization
partitioned file organization
None of the above
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