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This PDF file is complementary study material of FundamentalsMCQ.com
for computer jobs examination. Please visit mcqSets.com for more MCQ
collections. You are encouraged to send me the MCQ questions through
http://mcqsets.com/contact/ or mail me at shkhanal@yahoo.com
1. The actual execution of instructions happens in
A) ALU
B) CU
C) Memory
D) None of above
2. Which converts the user data into machine
readable form?
A) Input unit
B) Central processing unit
C) Output unit
D) Decoder unit
3. As compared to the secondary memory, the
primary memory of a computer is
A) Large
B) Cheap
C) Fast
D) Slow
4. Which of the following memories has the shortest
access times?
A) Cache memory
B) Magnetic bubble memory
C) Magnetic core memory
D) RAM
5. Which of the following is not a primary storage
device?
A) Magnetic tape
B) Magnetic disk
C) Optical disk
D) All of above
6. Any method for controlling access to or use of
memory is known
A) Memory map
B) Memory protection
C) Memory management
D) Memory instruction
7. The system unit of a personal computer typically
contains all of the following except:
A) Microprocessor
B) Disk controller
C) Serial interface
D) Modem
8. 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
9. A/n _____ device is any device that provides
information, which is sent to the CPU
A) Input
B) Output
C) CPU
D) Memory
10.Which is the type of memory for information that
does not change on your computer?
A) RAM
B) ROM
C) ERAM
D) RW / RAM
11.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
12. Which computer memory is used for storing
programs and data currently being processed by
the CPU?
A) Mass memory
B) Internal memory
C) Non-volatile memory
D) PROM
13. When was the transistors invented?
A) 1948
B) 1938
C) 1958
D) 1968
14.A 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
15. Which of the following is not an output device?
A) Portable Projector
B) Printer
C) Flat Screen
D) Touch Screen
16. Personal computers used a number of chips
mounted on a main circuit board. What is the
common name for such boards?
A) Daughterboard
B) Motherboard
C) Father board
D) Childboard
17.VGA is
A) Video Graphics Array
B) Visual Graphics Array
C) Volatile Graphics Array
D) Video Graphics Adapter
18.A chip having 5000 transistors and other circuit
elements and their associated circuits is known as?
a. IC chip
b. LSI chip
c. VLSI chip
d. ULSI chip
19.Which of the following memory medium is not
used as main memory system?
A) Magnetic core
B) Semiconductor
C) Magnetic tape
D) Both a and b
20. 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
21.Which of the following are the cheapest memory
devices in terms of Cost/Bit?
A) Semiconductor memories
B) Magnetic Disks
C) Compact Disks
D) Magnetic Tapes
22.Programs are executed on the basis of a priority
number in a
A) Batch processing system
B) Multiprogramming
C) Time sharing
D) None of these
23. A song being played on computer speaker is
A) hard output
B) soft output
C) both hard and soft output
D) neither hard nor soft output
24. What was the name of the first commercially
available microprocessor chip?
A) Intel 308
B) Intel 33
C) Intel 4004
D) Motorola 639
25. The silicon chips used for data processing are
called
A) RAM chips
B) ROM chips
C) Microprocessors
D) PROM chips
26.Which of the following memories needs
refreshing?
A) SRAM
B) DRAM
C) ROM
D) All of above
27.Computer system comprises of major units
A) input unit, output unit, control unit
B) input unit, output unit, control unit and storage
C) input unit, output unit, central processing unit
and storage unit
D) input, output and storage units
28. Which company is the biggest player in the
microprocessor industry?
A) Motorola
B) IBM
C) Intel
D) AMD
29.Different components of the motherboard of a PC
unit are linked together by sets of parallel
electrical conducting lines. What are these lines
called?
A) Conductors
B) Buses
C) Connectors
D) Consecutive
30.EEPROM stands for
A) Electrically Erasable Programmable Read Only
Memory
B) Electronic Erasable Programmable Read Only
Memory
C) Easily Erasable Programmable Read Only
Memory
D) Easily Erasable Programmable Read Only
Memory
31.Who invented the microprocessor?
A) Marcian E Huff
B) Herman H Goldstein
C) Joseph Jacquard
D) All of above
32.Through which device the main components of the
computer communicate with each other?
A) Keyboard
B) System Bus
C) Monitor
D) Memory
33.Find out who is not the inventor of transistors
among following names
A) John Burdeen
B) William Shockley
C) Walter Brattain
D) Lee de Forest
34.Which unit holds data temporarily?
A) Input unit
B) Secondary storage unit
C) Output Unit
D) Primary Memory Unit
35.An input /output device at which data enters or
leaves a computer system is
A) Keyboard
B) Terminal
C) Printer
D) Plotter
This is my earnest effort to assist candidates of computer jobs exams. I offer my assistance through MCQ Sets
(http://mcqsets.com), Fundamentals MCQ (http://fundamenatlsmcq.com) and you’re welcome to discuss in
http://icttrends.com
Enjoy preparation!
Correct Answers
1-A 2-A 3-C 4-A 5-D 6-B 7-D 8-B 9-A 10-B
11-D 12-B 13-A 14-B 15-D 16-B 17-A 18-C 19-C 20-C
21-C 22-B 23-B 24-C 25-C 26-B 27-C 28-C 29-B 30-A
31-A 32-B 33-D 34-D 35-B
~ Suresh Khanal
Send email: shkhanal@yahoo.com
MCQ Questions: http://mcqsets.com
Computer Fundamentals: http://fundamentals.com

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Computer systems mcq

  • 1. Questions This PDF file is complementary study material of FundamentalsMCQ.com for computer jobs examination. Please visit mcqSets.com for more MCQ collections. You are encouraged to send me the MCQ questions through http://mcqsets.com/contact/ or mail me at shkhanal@yahoo.com 1. The actual execution of instructions happens in A) ALU B) CU C) Memory D) None of above 2. Which converts the user data into machine readable form? A) Input unit B) Central processing unit C) Output unit D) Decoder unit 3. As compared to the secondary memory, the primary memory of a computer is A) Large B) Cheap C) Fast D) Slow 4. Which of the following memories has the shortest access times? A) Cache memory B) Magnetic bubble memory C) Magnetic core memory D) RAM 5. Which of the following is not a primary storage device? A) Magnetic tape B) Magnetic disk C) Optical disk D) All of above 6. Any method for controlling access to or use of memory is known A) Memory map B) Memory protection C) Memory management D) Memory instruction 7. The system unit of a personal computer typically contains all of the following except: A) Microprocessor B) Disk controller C) Serial interface D) Modem 8. 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 9. A/n _____ device is any device that provides information, which is sent to the CPU A) Input B) Output C) CPU D) Memory 10.Which is the type of memory for information that does not change on your computer? A) RAM B) ROM C) ERAM D) RW / RAM 11.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 12. Which computer memory is used for storing programs and data currently being processed by the CPU? A) Mass memory B) Internal memory C) Non-volatile memory D) PROM 13. When was the transistors invented? A) 1948 B) 1938 C) 1958 D) 1968
  • 2. 14.A 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 15. Which of the following is not an output device? A) Portable Projector B) Printer C) Flat Screen D) Touch Screen 16. Personal computers used a number of chips mounted on a main circuit board. What is the common name for such boards? A) Daughterboard B) Motherboard C) Father board D) Childboard 17.VGA is A) Video Graphics Array B) Visual Graphics Array C) Volatile Graphics Array D) Video Graphics Adapter 18.A chip having 5000 transistors and other circuit elements and their associated circuits is known as? a. IC chip b. LSI chip c. VLSI chip d. ULSI chip 19.Which of the following memory medium is not used as main memory system? A) Magnetic core B) Semiconductor C) Magnetic tape D) Both a and b 20. 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 21.Which of the following are the cheapest memory devices in terms of Cost/Bit? A) Semiconductor memories B) Magnetic Disks C) Compact Disks D) Magnetic Tapes 22.Programs are executed on the basis of a priority number in a A) Batch processing system B) Multiprogramming C) Time sharing D) None of these 23. A song being played on computer speaker is A) hard output B) soft output C) both hard and soft output D) neither hard nor soft output 24. What was the name of the first commercially available microprocessor chip? A) Intel 308 B) Intel 33 C) Intel 4004 D) Motorola 639 25. The silicon chips used for data processing are called A) RAM chips B) ROM chips C) Microprocessors D) PROM chips 26.Which of the following memories needs refreshing? A) SRAM B) DRAM C) ROM D) All of above 27.Computer system comprises of major units A) input unit, output unit, control unit B) input unit, output unit, control unit and storage C) input unit, output unit, central processing unit and storage unit D) input, output and storage units
  • 3. 28. Which company is the biggest player in the microprocessor industry? A) Motorola B) IBM C) Intel D) AMD 29.Different components of the motherboard of a PC unit are linked together by sets of parallel electrical conducting lines. What are these lines called? A) Conductors B) Buses C) Connectors D) Consecutive 30.EEPROM stands for A) Electrically Erasable Programmable Read Only Memory B) Electronic Erasable Programmable Read Only Memory C) Easily Erasable Programmable Read Only Memory D) Easily Erasable Programmable Read Only Memory 31.Who invented the microprocessor? A) Marcian E Huff B) Herman H Goldstein C) Joseph Jacquard D) All of above 32.Through which device the main components of the computer communicate with each other? A) Keyboard B) System Bus C) Monitor D) Memory 33.Find out who is not the inventor of transistors among following names A) John Burdeen B) William Shockley C) Walter Brattain D) Lee de Forest 34.Which unit holds data temporarily? A) Input unit B) Secondary storage unit C) Output Unit D) Primary Memory Unit 35.An input /output device at which data enters or leaves a computer system is A) Keyboard B) Terminal C) Printer D) Plotter This is my earnest effort to assist candidates of computer jobs exams. I offer my assistance through MCQ Sets (http://mcqsets.com), Fundamentals MCQ (http://fundamenatlsmcq.com) and you’re welcome to discuss in http://icttrends.com Enjoy preparation! Correct Answers 1-A 2-A 3-C 4-A 5-D 6-B 7-D 8-B 9-A 10-B 11-D 12-B 13-A 14-B 15-D 16-B 17-A 18-C 19-C 20-C 21-C 22-B 23-B 24-C 25-C 26-B 27-C 28-C 29-B 30-A 31-A 32-B 33-D 34-D 35-B ~ Suresh Khanal Send email: shkhanal@yahoo.com MCQ Questions: http://mcqsets.com Computer Fundamentals: http://fundamentals.com