Binary System – MCQ’s
- Expression (A + B). (A + C) is equal to:
(a) A + (B.C) ✓
(b) A. B + A.C
(c) A. (B.C)
(d) A+ (B+C)
- The order of application of two separate terms is not important in:
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(b) Commutative Law ✓
(c) Distributive Law
(d) Identity Law
- “Is it cold outside” is:
(a) Boolean Proposition ✓
(b) Categorical Proposition
(c) Moral Propositions
(d) None of above
- Number “17” is equal to ____ in binary system.
(a) 10000
(b) 10110
(c) 10001 ✓
(d) 10100
- 1 Petabyte is equal to _____ .
(a) (1,024)4 bytes
(b) (1,024)6 bytes
(c) (1,024)5 bytes ✓
(d) (1,024)7 bytes
- Hexadecimal system has total ______ numbers.
(a) 17
(b) 16 ✓
(c) 18
(d) 15
- Temporary memory is ____ and permanent memory is ____.
(a) Volatile, Non-volatile ✓
(b) Slow, Fast
(c) Low, High
(d) All of these
- Data to a processor is provided through:
(a) ROM
(b) RAM ✓
(c) EPROM
(d) EEPROM
- At least ____ byte is required to store any piece of information in a computer’s memory.
(a) Five
(b) Three
(c) One ✓
(d) Two
- Which is used to assemble more than one propositions into one proposition?
(a) Literal
(b) Simple proposition
(c) Proposition
(d) Compound proposition ✓
- In primary and secondary storages, data is stored in the form of:
(a) Bytes ✓
(b) Bit
(c) Nibble
(d) GB
- According to ____ law there is no change in results if priority of expressions is changed.
(a) Associative ✓
(b) Commutative
(c) Duality
(d) Complement
- Which number system consists of 0s and 1s?
(a) Decimal
(b) Hexa
(c) Binary ✓
(d) Octal
- Which language is understood by the computer?
(a) Binary language ✓
(b) HLL
(c) High level
(d) Middle level
- Which number system has base 10 as it uses ten digits from 0 to 9?
(a) Decimal ✓
(b) Hexa
(c) Binary
(d) Octal
- Which number system has base 2?
(a) Decimal
(b) Hexa decimal
(c) Binary ✓
(d) Octal
- Which number system has base 16?
(a) Decimal
(b) Hexadecimal ✓
(c) Binary
(d) Octal
- Which number system has base 10?
(a) Binary
(b) Decimal ✓
(c) Hexadecimal
(d) Octal
- Which is a physical device capable of storing information temporarily or permanently?
(a) Cell
(b) Computer memory ✓
(c) Voltage
(d) Non voltage
- A device which holds the data as long as it has power supply connected to it is called:
(a) HDD
(b) Storage
(c) Volatile memory ✓
(d) Non volatile
- A device which can hold data even if it is not connected to any power source is called:
(a) Non – Volatile Memory ✓
(b) Volatile Memory
(c) Both A and B
(d) Central memory
- In Boolean algebra “AND’ operation is denoted by:
(a) . ✓
(b) *
(c) +
(d) /
- In Boolean algebra ‘OR’ operation is denoted by:
(a) *
(b) /
- C) + ✓
(d) .
- In Boolean algebra plus sign is used for operation.
(a) OR ✓
(b) AND
(c) NAND
(d) NOT
- An inverter is called a:
(a) AND
(b) NAND
(c) NOT ✓
(d) NOR
- Which table is used to show whether the statement is true or false?
(a) Value table
(b) Boolean table
(c) Truth table ✓
(d) Central table
- A number system is the system for representation of ____ data.
(a) Value
(b) Boolean
(c) Truth
(d) Numeric ✓
- The number system we use in our daily life is the:
(a) Decimal number system ✓
(b) Binary number system
(c) Octal number system
(d) Numeric
- Your name is in the form of alphabets, but for a computer each alphabet has some ____ value.
(a) Binary ✓
(b) Decimal
(c) Octal
(d) Numeric
- The binary value of the letter ‘A’ is 01000001 and its decimal value is:
(a) 67
(b) 66
(c) 69
(d) 65 ✓
- To convert a decimal number to binary, we divide the number by _____ and take quotient and remainder.
(a) 8
(b) 16
(c) 2 ✓
(d) 12
- To convert a decimal number to hexadecimal, we divide the number by _____ and take quotient and remainder.
(a) 8
(b) 16 ✓
(c) 2
(d) 12
- To convert a hexadecimal number to binary, simply convert each hexadecimal digit to____ digits binary value.
(a) Four ✓
(b) Two
(c) Three
(d) Five
- Which is an example of volatile memory?
(a)RAM ✓
(b) ROM
(c) Hard disk
(d) Floppy disk
- As soon as the power supply is disconnected, all the data in___ is cleared.
(a)RAM ✓
(b) ROM
(c) Hard disk
(d) Floppy disk
- Hard drives, flash drives and memory cards are example of memory:
(a) Non-volatile ✓
(b) Volatile
(c) Hard disk
(d) Floppy disk
- Digital computers store data in _____form.
(a) Numeric
(b) Decimal
(c) Octal
(d) Binary ✓
- All the characters on your keyboard has an associated code in binary. This code is called:
(a) BCD
(b) Unicode
(c) ASCII ✓
(d) EBCDIC
- ASCII stands for:
(a) American Standard code
(b) American Standard Code for Information Interchange. ✓
(c) Information code
(d) Standard institute
- Any computing hardware that is used for storing, porting and extracting data, is called a:
(a) Storage device ✓
(b) ROM
(c) PROM
(d) SRAM
- Which is an example of primary memory?
(a) Floppy disk
(b) CD-ROM
(c) Hard disk
(d) RAM ✓
- The smallest amount of data to be stored in computer’s memory is a 0 or 1 is called:
(a) Byte
(b) KB
(c) Bit ✓
(d) GB
- Which is a group of eight bits, enough space to store single ASCII character?
(a)Byte ✓
(b) KB
(c) Bit
(d) GB
- (1,024) TB or (1,024)5 bytes is equal to:
(a) 1 GB
(b) TB
(c) 1 KB
(d) 1 PB ✓
- IKB = _______ bytes.
(a) 1,024 ✓
(b) 200
(c) 300
(d) 400
- 1MB = _____ bytes.
(a) (1,024)5 bytes
(b) (1,024) KB or (1,024)2? ✓
(c) 3000
(d) 400
- 1GB = (1,024) MB or_____ bytes.
(a) (1,024)5 bytes
(b) (1,024) KB or (1,024)2?
(c) 8
(d) (1,024)3 ✓
- 1TB = (1,024) GB or ____bytes.
(a) (1,024)5 bytes
(b) (1,024) KB or (1,024)2
(c) (1,024)4 ✓
(d) (1,024)3
- A _____ is a sentence that can either be true or false.
(a) Algebra
(b) Variable
(c)Proposition ✓
(d) Constant
- Every proposition takes one of two values true or false, and these values are called the:
(a) Algebra
(b) Variable
(c) Proposition
(d) Truth values ✓
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