Q & A - Computer Science

Q & A

• Create a class named Information and declare two variables ‘User_name’ and ‘password’.... Create a class named Information and declare two variables ‘User_name’ and ‘password’. Then take input from user ? Enter User Name: ? Enter Password: If user enter us...
• Write a Java application that allows the user to read, validate, store, display, sort and search... Write a Java application that allows the user to read, validate, store, display, sort and search the account number and balance for N bank customers. N should be declared...
• A publishing house prints and distributes two types of publication: books and journals... A publishing house prints and distributes two types of publication: books and journals. Each book has a title, an author, an edition number, and an ISBN. Each journal ha...
• Write a python program for converting percentage to decimal. for examaple: Enter Percentage: 248%... Write a python program for converting percentage to decimal. for examaple: Enter Percentage: 248% Equivalent Decimal: 2.48 conditions : You must accept the string and w...
• What is output if the following JavaScript program is executed by a typical web browser? Explain.... Q2:- What is output if the following JavaScript program is executed by a typical web browser? Explain. var i=5; function duh() var i; window.i=6; duh(); window...
• inflation inflation
• mouse mouse
• cloud computing cloud computing
• Application software Application software
• Internet Internet
• Software - A program application Software - A program application
• ROM ROM
• Operating Software Operating Software
• Hardware Hardware
• CPU CPU
• Power Supply Power Supply
• Operating System (OS) Operating System (OS)
• Wireless Network Wireless Network
• Software Software
• RAM RAM
• Motherboard Motherboard
• Hard Drive Hard Drive
• Central Processing Unit (CPU) Central Processing Unit (CPU)
• The Power of Forgiveness & Absolute Acceptance Forgiveness is one of those words and the deed many people turn away from because of the meaning they give it. Often it is thought of as a religious act. This can be off-...
• RAID Data Recovery Tips and Tricks Often, important data is stored in reliable RAID systems. The primary reason is that raid systems are used as they are more fault-tolerant. In other words, it is easy to ...
• Microphone is a ________________ Microphone is a ________________ (a)    Output device                                               (b) Storage device        (c) Input device (d) Processing device    ...
• A table that lists the required inputs for a given change of state is _____ A table that lists the required inputs for a given change of state is _____ (a)    Characteristic table                                     (b) Excitation table      (c)...
• When the carry into the sign bit and the carry out of the sign bit are applied to ________ When the carry into the sign bit and the carry out of the sign bit are applied to ____________________gate, an overflow can be detected. (a)    EX-NOR                (b)...
• The digital circuit that generates the arithmetic sum of two binary.... The digital circuit that generates the arithmetic sum of two binary numbers of any length is _______________________ (a)    Binary Adder       (b) Full Adder          ...
• The ______________________ operation sets to 1 the bits in one register where there are co The ______________________ operation sets to 1 the bits in one register where there are corresponding 1’s in the second register. (a)    Selective Complement            ...
• RISC stands for _______________ RISC stands for _______________ (a)    Reduced Instruction Set Computer (b)    Risk Instruction Set Computer (c)     Reduced Instruction Set Carry (d)    Reset Instru...
• If F= AB’ + C’D then F’= ------ If F= AB’ C’D then F’= ------ (a)    (AB’)(C’D)       (b) (A’B)(CD’)                                                    (c) (AB’)(CD’) (d) (A’B)(CD’)          (e) (A’B)(CD’).
• BUN instruction stands for------ BUN instruction stands for------ (a)    Branch Conditionally (b)    Branch Unconditionally (c)     Boot unconditionally (d)    Begin Unconditionally (e)     Branch a...
• ISZ is an example of __________________ instructions ISZ is an example of __________________ instructions (a)    I/O                                                                  (b) Memory Reference (c) Register refere...
• DMA stands for__________________ DMA stands for__________________ (a)    Direct Memory Address (b)    Direct Main Address (c)     Direct Memory Access (d)    Direct Main Access (e)     Device Memory Access.
• The program is executed from main memory until it attempts to reference a page that is.. The program is executed from main memory until it attempts to reference a page that is still in auxiliary memory, this condition is called as ____________ (a)    Page Fo...
• A Set of Physical Addresses is called ________________ A Set of Physical Addresses is called ________________ (a)    Memory space                                             (b) Disk space               (c) Address space ...
• The performance of the cache memory is measured in terms of a quantity called ____________ The performance of the cache memory is measured in terms of a quantity called _________________ (a)    Initialization Ratio                                      (b) Addr...
• The operation DR ← M[AR] is known as __________________ The operation DR ← M[AR] is known as __________________ (a)    Arithmetic Operation                                  (b) Shift Operation (c)    Memory Write            ...
• The (r-1)’s complement of 345 in octal number system is The (r-1)’s complement of 345 in octal number system is          (a)    342                         (b) 234                           (c) 243                            ...
• MUX consists of how many number of outputs? MUX consists of how many number of outputs? (a)    Only one                                                        (b) No output (c)    Depends on the input            ...
• What does ‘T’ stands in T-flip flop What does ‘T’ stands in T-flip flop (a)    Top                        (b) Type                         (c) Temporary              (d) Tiny                          (e) Toggle.
• Gray Code is also called as ___________________ Gray Code is also called as ___________________ (a)    Decimal Code                                              (b) Binary Code (c)    2421 Code                       ...
• The function of the ________________ is to store programs and data... The function of the ________________ is to store programs and data. (a)    CU (Control Unit)                                        (b) MU (Memory Unit) (c)    ALU (Ari...
• The equivalent decimal number of hexadecimal C4 is obtained from one of the following The equivalent decimal number of hexadecimal C4 is obtained from one of the following               (a)    C4                                                            ...
• The terms in the notation mre The terms in the notation mre (a)    Mantissa, Round and Exponent (b)    Mantissa, Radix and Exponent (c)     Mantissa, Range and Exponent (d)    Mantissa, Radix and ...
• According to Demorgan’s Law (A·B)' = __________ According to Demorgan’s Law (A·B) = __________ (a)    A’B’                       (b) AB                            (c) A B                       (d) A’-B’              ...
• According to Boolean algebra A+1 = ______________  According to Boolean algebra A1 = ______________ (a)    A                             (b) 0                                (c) 1                                (d) A’  ...
• Control unit is also called as ______________ Control unit is also called as ______________ (a)    Supervisor             (b) Monitor                    (c) Manager (d) Controller (e) All of the above.
• Instruction register stores_____________ Instruction register stores_____________ (a)    Address of the current instruction            (b) Address of the next instruction (c)    Instruction which is currentl...