Model Question Set III

1. The time that elapses between the initiation of an operation and completion of that operation is called.....

A) throughput

B) memory response time

C) memory access time

D) execution time





2. Interrupts which are initiated by an instruction are ............

A) internal

B) external

C) hardware

D) software 





3. A semiconductor memory constructed using bipolar transistors or MOS transistor stores information in the form of a ......................

A) Flip-flop voltage levels

B) bit

C) byte

D) opcodes values


4. A simple way of performing I/O tasks is to use a method known as ......................

A) program-controlled I/O

B) program-controlled input

C) program-controlled output

D) I/O operation


5. Memory access in RISC architecture is limited to instructions ........

A) CALL and RET

B) PUSH and POP

C) STA and LDA

D) MOV and JMP


6. Striking key stores the corresponding character code in a 8-bit buffer register associated with the keyboard. This register is called as ........................

A) DATAINOUT

B) DATAOUT

C) DATAIN

D) Both A and B


7. When the character is transferred to the processor, status control flag SIN is automatically cleared to ............................

A) zero

B) one

C) two

D) yes


8. A microprogram written as string of 0's and 1's is a ...

A) symbolic micro-instruction

B) binary micro-instruction

C) symbolic micro-instruction

D) binary microprogram


9. An exception conditions in a computer system by an event external to the CPU is called .........

A) Interrupt

B) halt

C) wait

D) process


10. When the CPU detects an interrupt, it then saves its ...................

A) Previous state

B) Next state

C) Current state

D) Both A and B

Answers:

1.  C) memory access time

2.  B) external

3.  A) Flip-flop voltage levels

4.  A) program-controlled I/O

5.  C) STA and LDA

6.  C) DATAIN

7.  A) zero

8.  D) binary microprogram

9   A) Interrupt.

10 C) Current state.

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Model Questions Set II

1. A collection of lines that connects several devices is called ..............

A) bus

B) peripheral connection wires

C) Both a and b

D) internal wires



2. A complete microcomputer system consist of ...........

A) microprocessor

B) memory

C) peripheral equipment

D) all of the above



3. PC Program Counter is also called ...................

A) instruction pointer

B) memory pointer

C) data counter

D) file pointer



4. In a single byte how many bits will be there?

A) 8

B) 16

C) 4

D) 32



5. CPU does not perform the operation ..................

A) data transfer

B) logic operation

C) arithmetic operation

D) all of the above



6. The access time of memory is ............... the time required for performing any single CPU operation.

A) Longer than

B) Shorter than

C) Negligible than

D) Same as



7. Memory address refers to the successive memory words and the machine is called as ............

A) word addressable

B) byte addressable

C) bit addressable

D) Terra byte addressable



8. A microprogram written as string of 0's and 1's is a .............

A) Symbolic microinstruction

B) binary microinstruction

C) symbolic microinstruction

D) binary micro-program



9. A pipeline is like ....................

A) an automobile assembly line

B) house pipeline

C) both a and b

D) a gas line



10. Data hazards occur when .....................

A) Greater performance loss

B) Pipeline changes the order of read/write access to operands

C) Some functional unit is not fully pipelined

D) Machine size is limited

Answers:

1. A) bus

2. D) all of the above

3. A) instruction pointer

4. A) 8

5. A) data transfer

6. A) Longer than

7. A) word addressable

8. D) binary microprogram

9. A) an automobile assembly line

10. B) Pipeline changes the order of read/write access to operands

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Model Question Set I

1. The computer code for the interchange of information between terminal is ..



A) ASCII

B) BCD

C) EBCDIC

D) All of the above



2. SIMD stands for ....

A) Single Instruction Stream Over Multiple Data Streams

B) Single Instruction Stream Over Minimum Data Streams

C) Single Instruction Stream Over Media Data Streams

D) Multiple Instruction Streams and Single Data Stream



3. The NOR gate is complement of ..

A) AND gate

B) OR gate

C) NAND gate

D) NOT gate


4. A .............. is a digital circuit that performs the inverse operation of decodes.

A) multiplexer

B) adder

C) subtractor

D) encoder


5. Pipelining increases the CPU instruction ..........

A) efficiency

B) latency

C) throughput

D) Both a and c


6. The ............... is a program whose function is to start the computer software operating when power is turned on.

A) Bootstrap loader

B) Multi programming

C) Loader

D) None of the above



7. .................. is concerned with the way the hardware components operate to form computer system.

A) Computer organization

B) Computer design

C) Computer architecture

D) Computer implementation



8. Devices that are used primarily to transport data between the processor and the user are known as ....

A) Networking devices

B) Basic storage devices

C) Data presentation device

D) Data transfer device



9. Which statement is valid about computer program?

A) It is understood by a computer

B) It is understood by programmer

C) It is understood to use

D) All of the above



10. Access time is

A) Time to position the head over proper track

B) Time to position the head over proper sector

C) Time to position the head over proper cylinder

D) None of above

Answers:

1. The computer code for the interchange of information between terminal is ..

A) ASCII

2. SIMD stands for ....

A) Single Instruction Stream Over Multiple Data Streams


3. The NOR gate is complement of ..

B) OR gate

4. A .............. is a digital circuit that performs the inverse operation of decodes.

D) encoder

5. Pipelining increases the CPU instruction ..........

C) throughput

6. The ............... is a program whose function is to start the computer software operating when power is turned on.

A) Bootstrap loader

7. .................. is concerned with the way the hardware components operate to form computer system.

A) Computer organization

8. Devices that are used primarily to transport data between the processor and the user are known as ....

C) Data presentation device

9. Which statement is valid about computer program?

D) All of the above

10. Access time is

A) Time to position the head over proper track

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When did John Napier develop logarithm?

	A.	1614
	B.	1641
	C.	1804
	D.	1416

Fundamental Tayari

1. UNIVAC is

a. Universal Automatic Computer
b. Universal Array Computer
c. Unique Automatic Computer
d. Unvalued Automatic Computer

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2. CD-ROM stands for

a. Compactable Read Only Memory
b. Compact Data Read Only Memory
c. Compactable Disk Read Only Memory
d. Compact Disk Read Only Memory

---

3. ALU is

a. Arithmetic Logic Unit
b. Array Logic Unit
c. Application Logic Unit
d. None of above

---

4. VGA is

a. Video Graphics Array
b. Visual Graphics Array
c. Volatile Graphics Array
d. Video Graphics Adapter

---

5. IBM 1401 is

a. First Generation Computer
b. Second Generation Computer
c. Third Generation Computer
d. Fourth Generation Computer

---

6. MSI stands for

a. Medium Scale Integrated Circuits
b. Medium System Integrated Circuits
c. Medium Scale Intelligent Circuit
d. Medium System Intelligent Circuit

---

7. The capacity of 3.5 inch floppy disk is

a. 1.40 MB
b. 1.44 GB
c. 1.40 GB
d. 1.44 MB

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8. The first computer introduced in Nepal was

a. IBM 1400
b. IBM 1401
c. IBM 1402
d. IBM1402

---

9. WAN stands for

a. Wap Area Network
b. Wide Area Network
c. Wide Array Net
d. Wireless Area Network

---

10. MICR stands for

a. Magnetic Ink Character Reader
b. Magnetic Ink Code Reader
c. Magnetic Ink Cases Reader
d. None