Basic Computer MCQs-7
1. 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
- (E) None of these
Answer: (B)
2. A circuit with about 100 transistors fabricated on a single chip is called
- (A) MCR
- (B) MSI
- (C) MIS
- (D) RJE
- (E) None of these
Answer: (B)
3. ALU is called for _____ of a computer
- (A) Heart
- (B) Master dispatcher
- (C) Primary memory
- (D) All of the above
- (E) None of these
Answer: (C)
4. A single dimensional array is called
- (A) List
- (B) Subscripts
- (C) Matrix
- (D) File
- (E) None of these
Answer: (A)
5. How many types of drawing objects are available in drawing Tool Bar ?
- (A) 4
- (B) 5
- (C) 10
- (D) 12
- (E) None of these
Answer: (E)
6. Data processing is___
- (A) Data collection
- (B) Similar to computer programming
- (C) Associated with commercial work
- (D) Akin to data coding
- (E) None of these
Answer: (C)
7. In computer terminology, information means
- (A) Raw data
- (B) Data in more useful
- (C) Alphanumeric data
- (D) Program
- (E) None of these
Answer: (B)
8. A typical modern computer uses
- (A) Magnetic cores
- (B) LSI chips
- (C) Magnetic tapes
- (D) More than 1000 vacuum tubes
- (E) None of these
Answer: (B)
9. Technology no longer protected by copyright, available to everyone, is considered to be:
- (A) proprietary
- (B) Open
- (C) Experimental
- (D) In the public domain
- (E) None of these
Answer: (A)
10. The commonly used UNIX commands like date, ls, cat etc. are stored in
- (A) /dev directory
- (B) /bin directory
- (C) /tmp directory
- (D) /unix directory
- (E) None of these
Answer: (B)
11. In UNIX, which command is used to change the protection mode of files starting with the string emp and ending with 1, 2 or 3 ?
- (A) Chmod u+x emp[1-3]
- (B) Chmod 777 emp*
- (C) Chmod u+r ??? emp
- (D) Chmod 222 emp ?
- (E) None of these
Answer: (A)
12. The variables which can be accessed by all modules in a C program, are known as
- (A) Local variables
- (B) Internal variables
- (C) External variables
- (D) Global variables
- (E) None of these
Answer: (D)
13. In UNIX, which command is used to sort the lines of data in a file in reverse order
- (A) sort
- (B) sh
- (C) st
- (D) sort –r
- (E) None of these
Answer: (D)
14. A record that follows a group of related records and contains data relevant to those records is called as….
- (A) Trailer record
- (B) Traffic record
- (C) Transaction record
- (D) Transducer
- (E) None of these
Answer: (A)
15. A type of semiconductor memory that usually has small capacity but very fast access is
- (A) PROM
- (B) RAM
- (C) Scratchpad
- (D) ROM
- (E) None of these
Answer: (C)
16. ____ is the study of molecules and structures whose size ranges from 1 to 100 nanometres.
- (A) Nano-science
- (B) Microelectrodes
- (C) Computer forensics
- (D) Artificial intelligence
- (E) None of these
Answer: (A)
17. A single pole, single throw switch with one common line and one output line is
- (A) Switch circuit
- (B) SPDT switch
- (C) SPST switch
- (D) Star bit
- (E) None of these
Answer: (C)
18. A one-bit signal that indicates the start of data transmission by an asynchronous device is
- (A) Parity bit
- (B) Status bit
- (C) Zero bit
- (D) Star bit
- (E) None of these
Answer: (D)
19.__ is data that has been organized or presented in a meaningful fashion.
- (A) A process
- (B) Software
- (C) Storage
- (D) Information
- (E) None of these
Answer: (D)
20. The name for the way that computers manipulate data into information is called
- (A) Programming
- (B) Processing
- (C) Storing
- (D) Organizing
- (E) None of these
Answer: (B)
21. Computers gather data, which means that they allow users to _____ data.
- (A) Present
- (B) Input
- (C) Output
- (D) Store
- (E) None of these
Answer: (B)
22. After a picture has been taken with a digital camera and processed appropriately, the actual print of the picture is considered
- (A) Data
- (B) Output
- (C) Input
- (D) The process
- (E) None of these
Answer: (B)
23. What is meant by the term RAM?
- (A) Memory which can only be read
- (B) Memory which can be both read and written to
- (C) Memory which is used for permanent storage
- (D) Memory which can only be written to
- (E) None of these
Answer: (B)
24. ALU is called for _____ of a computer
- (A) Heart
- (B) Master dispatcher
- (C) Primary memory
- (D) All of the above
- (E) None of these
Answer: (C)
25. The commonly used UNIX commands like date, ls, cat etc. are stored in
- (A) /dev directory
- (B) /bin directory
- (C) /tmp directory
- (D) /unix directory
- (E) None of these
Answer: (B)