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Microphone is a ________________ (a)    Output device                                               (b) Storage device        (c) Input device (d) Processing device                                           (e) Pr...

A table that lists the required inputs for a given change of state is _____ (a)    Characteristic table                                     (b) Excitation table      (c) Truth table (d) Null table                 ...

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) Inverted OR (c) OR                          ...

The digital circuit that generates the arithmetic sum of two binary numbers of any length is _______________________ (a)    Binary Adder       (b) Full Adder                (c) Half Adder              (d) Adder  ...

The ______________________ operation sets to 1 the bits in one register where there are corresponding 1’s in the second register. (a)    Selective Complement                               (b) Selective Clear       ...

RISC stands for _______________ (a)    Reduced Instruction Set Computer (b)    Risk Instruction Set Computer (c)     Reduced Instruction Set Carry (d)    Reset Instruction Set Cache (e)     Reduced Instruction ...

If F= AB’ + C’D then F’= ------ (a)    (A+B’)(C’+D)       (b) (A’B)+(CD’)                                                    (c) (AB’)(CD’) (d) (A’+B)(C+D’)          (e) (A’+B)+(C+D’).

BUN instruction stands for------ (a)    Branch Conditionally (b)    Branch Unconditionally (c)     Boot unconditionally (d)    Begin Unconditionally (e)     Branch and save return address.

ISZ is an example of __________________ instructions (a)    I/O                                                                  (b) Memory Reference (c) Register reference (d) Any type                            ...

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 still in auxiliary memory, this condition is called as ____________ (a)    Page Found          (b) Page Fault               (c)...

A Set of Physical Addresses is called ________________ (a)    Memory space                                             (b) Disk space               (c) Address space (d) Location                                 ...

The performance of the cache memory is measured in terms of a quantity called _________________ (a)    Initialization Ratio                                      (b) Address Ratio                                    ...

The operation DR ← M[AR] is known as __________________ (a)    Arithmetic Operation                                  (b) Shift Operation (c)    Memory Write                                              (d) Memory ...

The (r-1)’s complement of 345 in octal number system is          (a)    342                         (b) 234                           (c) 243                            (d) 432                           (e) 423.

MUX consists of how many number of outputs? (a)    Only one                                                        (b) No output (c)    Depends on the input                                  (d) Depends on the sele...

What does ‘T’ stands in T-flip flop (a)    Top                        (b) Type                         (c) Temporary              (d) Tiny                          (e) Toggle.

Gray Code is also called as ___________________ (a)    Decimal Code                                              (b) Binary Code (c)    2421 Code                                                    (d) Reflected Bi...

The function of the ________________ is to store programs and data. (a)    CU (Control Unit)                                        (b) MU (Memory Unit) (c)    ALU (Arithmetical Logic Unit)                  (d) IN...

The equivalent decimal number of hexadecimal C4 is obtained from one of the following               (a)    C+4                                                                (b) (C16)+(4+1)        (c) (C16)+(40) (...

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 Element (e)     Mantissa, Range and Element.

According to Demorgan’s Law (A·B)' = __________ (a)    A’B’                       (b) AB                            (c) A' + B'                       (d) A’-B’                        (e) A+B.

According to Boolean algebra A+1 = ______________ (a)    A                             (b) 0                                (c) 1                                (d) A’                              (e) B.

Control unit is also called as ______________ (a)    Supervisor             (b) Monitor                    (c) Manager (d) Controller (e) All of the above.

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 b...

The decimal number equivalent to 1100011 will be (a)    98                           (b) 100                           (c) 96                              (d) 99                              (e) 97.

Programs must reside in the main memory during _______________ (a)    Deletion                 (b) Execution                (c) Printing                     (d) Reading                   (e) Insertion.

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      ...

is a symbol for ___________ gate? (a)    NOR                       (b) XOR                         (c) XNOR                       (d) NAND                      (e) OR.

Unicode is a ___________________ (a)    Uniform Code                                              (b) Union Code             (c) Universal Condition (d) Universal Code       (e) Unit Code

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.

The function of the ________________ is to store programs and data.(a)    CU (Control Unit)                                        (b) Secondary Memory                                      (c)    ALU (Arithmetical L...

Only Push and Pop operations are applicable to which one of the following. (a) Queue                       (b) Tree                          (c) Stack                        (d) Array                        (e) Table.

Specify the expansion for ISZ. (a) Invalid to skip if Zero                                    (b) Increment and set if Zero                             (c) Increment and sign if Zero                           (...

Identify the input device in which finger shows the cursor movement. (a) Mouse                      (b) Scanner                    (c) Glide pad                 (d) Microphone (e) Trackball.

Specify the Complement for the equation, F=AB+C’D’+B’D.` (a) (A+B’)(C’+D)(B+D’)                                      (b) (A’+B’)(C+D)(B+D’)                                      (c) (A’+B’)(C’+D’)+(B+D’)          ...

Identify the equation for the sum in the full adder. (a) A B C                                                        (b) A B                       (c) A B’ (d) A’ B’ C’                                            ...

BCD code is also called as _________. (a) EBCDIC                  (b) 2421                         (c) Excess -3                  (d) Excess-3 gray         (e) 8421.

Identify the law for the given Boolean function, x(y+z)=xy+xz. (a) Commutative law                                          (b) Associative law      (c) Demorgan’s Law (d) Distributive law                         ...

Transistors belong to ______ generation of the computer evolution. (a) First                           (b) Second                     (c) Third                         (d) Fourth                      (e) Fifth.

Which of the following is false related to the logic gates? (a) NOT=BUFFER                                               (b) NOR=OR+NOT (c) NAND=AND+NOT                                         (d) XNOR=XOR+NOT (e...

SC←0, specifies_____________. (a) Seconds is assigned with 0                            (b) Signal counter is assigned with 0 (c) Sequence counter is assigned with 0           (d) Synchronous clear (e) Subroutine...

Which one of the following is correct? (a)    Sequential circuit is an interconnection of only logic gates (b)    Sequential circuit is an interconnection of only flip flops (c)     Combinational circuit is an in...

Name the binary code where there is only one bit of difference between two consecutive numbers. (a) Excess-3 code                                                 (b) EBCDIC code        (c) ASCII code (d) Gray cod...

Stack Pointer stores _________________. (a) Address of top item                                                                                (b) Operations (c) Addressing Method                                  ...

1 GB is ___________bytes. (a) 1 073 741 826                                                (b) 1 073 741 828        (c) 1 073 741 821 (d) 1 073 741 822                                                (e) 1 073 741 824.

demonstrates ________. (a) Glide Pad                 (b) Joy Stick                  (c) Bar Code Reader (d) Mouse                      (e) Wand Reader.

A page frame is also called as ________________. (a) Page                          (b) Block                        (c) Disk                           (d) Hit                             (e) Print document.

A _________is supplied by one unit to indicate the other unit when the transfer has to occur. (a) Time slice                (b) Access right             (c) Logic gate                (d) Strobe pulse            (e)...

The page replacement algorithm where there is a replacement of a page ,which has not been used more frequently is ______________. (a) MFU                         (b) LRU                          (c) OPT            ...

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