BCA 1040: Unit 1 Logic Design

BCA SEM I / BCA 1040 / Unit 1 Logic Design

Self Assessment Questions 1.2
1. Decimal means base __________.
2. The decimal value of the bit pattern 11111111 is _________.
3. The range of values represented by an 8-bit binary number is _____.
4. The binary equivalent of 228 is _________.
5. The result of 7 – 2 using 1’s complement notation is
6. The bit pattern 1011 in 1’s complement notation is
7. The result of 7 – 2 using 2’s complement notation is
8. The bit pattern 1110 in 2’s complement notation is
9. The range of numbers that can be represented using the Excess-2N-1 notation is _________.
10. The significant digits of 0012340 are _______.
11. The bit pattern 1101 Excess Number converted value is ________. Answers to Self
Primary computer memory is made up of __________.
5. The unique number that names a memory cell is called ________.

Self Assessment Questions
6. Computers use a memory cell whose contents are limited to a number between _________ & __________.
7. For example, the nine digit number 123456789 is stored as the number
_________ and ________ in the next cell.

Self Assessment Questions
8. ____________ is the main memory of a computer system used for storing programs and data.
9. Volatile random access memory devices may be further divided into
_______________.
10. _________ is a memory device for reading and writing information wherein multi-layer ferromagnetic thin films.

Self Assessment Questions
11. EEPROM stands for ___________.
12. ___________ Memory is a type of EEPROM device that can be erased and reprogrammed in blocks instead of one byte at a time.

Self Assessment Questions
13. External memory is for the long term storage of information.
(True/False)
14. External memory which is sometimes called backing store or secondary memory. (True/False)

Self Assessment Questions
15. The first floppy drives used an 8-inch disk which later got smaller
Real-time (RT) operating systems were developed to meet the response requirements of such applications. (True/False)

Self Assessment Questions
5. ______ is a collection of related information defined by its creator.
6. ________ System is a collection of processors that do not share memory, peripheral devices, or a clock.
7. The main function of a command interpreter is to get and execute the next user specified command. (True/False)

Self Assessment Questions
8. An error in one part of the system may cause malfunctioning of the complete system. (True/False)
9. ________involves the allocating and de-allocating memory, CPU scheduling in case of multi-process.

Self Assessment Questions
10. __________ are computers or groups of computers that provides services to other computers, connected via network.
11__________are more powerful versions of personal computers.

6.10 Answers
Self Assessment Questions
1. Abstraction
2. operating system
3. True
4. True
5. File
6. Distributed
7. True
8. True
9. Running a program
10. Servers
11. Workstations
12. Embedded

BCA SEM I / BCA 1010 /Unit7 / Communication System Concepts
Self Assessment Questions
1. _____________ is used to convert the information into another