Computer System Architecture Set 36

Questions 351 to 360




351.
The function of the ________________ is to store programs and data.
(a)    CU (Control Unit)                                        (b) Secondary Memory                                      
(c)    ALU (Arithmetical Logic Unit)                  (d) INPUT device         (e) OUTPUT device.
352.
Formula for r’s complement is ___________
(a)    ((rn–1)–N)              (b) (rn–N)                        (c) (rn–1)N                      (d) (rn)2–N                      (e) (rn–1)+N.
353.
Unicode is a ___________________
(a)    Uniform Code                                              (b) Union Code             (c) Universal Condition
(d) Universal Code       (e) Unit Code
354.
is a symbol for ___________ gate?
(a)    NOR                       (b) XOR                         (c) XNOR                       (d) NAND                      (e) OR.
355.
MUTIPLEXER consists of how many number of outputs?
(a)    Only one                                                        (b) No output                (c) Depends on the input
(d) Depends on the select lines                           (e) Two outputs.
356.
________________ is a formula for XOR gate
(a)    A’B+AB                (b) AB+BA                    (c) (A+B)(A-B)              (d) A’B+B’A                 (e) A2+B2.
357.
Programs must reside in the main memory during _______________
(a)    Deletion                 (b) Execution                (c) Printing                     (d) Reading                   (e) Insertion.
358.
The decimal number equivalent to 1100011 will be
(a)    98                           (b) 100                           (c) 96                              (d) 99                              (e) 97.
359.
Instruction register stores_____________
(a)    Address of the current instruction            (b) Address of the next instruction
(c)    Instruction which is currently executed (d) Next Instruction which is to be executed
(e)    Data of the current instruction.
360.
Control unit is also called as ______________
(a)    Supervisor             (b) Monitor                    (c) Manager (d) Controller (e) All of the above.

Answers


351.
Answer :   (b)
Reason :   Secondary Memory is used to store programs and data
352.
Answer :   (b)
Reason :   The formula for r’s complement is (rn–N)
353.
Answer :   (d)
Reason :   Unicode is a universal code
354.
Answer :   (b)
Reason :   the given gate is a symbol for XOR gate
355.
Answer :   (a)
Reason :   MUTIPLEXER consists of only single output
356.
Answer :   (d)
Reason :   A’B+B’A is a formula for XOR gate
357.
Answer :   (b)
Reason :   Programs must reside in the main memory during execution
358.
Answer :   (d)
Reason :   The decimal number equivalent to 1100011 will be 99
359.
Answer :   (c)
Reason :   Instruction register stores instruction which is currently executed
360.
Answer :   (e)
Reason :   Control unit is also called as Supervisor, Monitor, Manager and Controller.

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